# Amarc Confirms Boliden's Ongoing Participation at Duke Copper-Gold District and Provides District Update Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf Original source: https://money.tmx.com/en/quote/AHR/news/4851835648359862/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and- Publisher: tmx Original announcement: 2026-04-02T11:45:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Amarc Resources Ltd. - Ticker: AHR - Exchange: TSX - Region: British Columbia - Primary commodity: Copper - Secondary commodities: Gold, Molybdenum, Silver - Document categories: Drill results, Agreement transaction - Extracted: 2026-08-21 00:34:07 UTC Narrative sentiment: 0.20 · Bullish ## Minestarters Atlas summary Amarc Resources announced the continuation of Boliden's participation in the DUKE Copper-Gold District through a 60%/40% joint venture, effective April 1, 2026. The 2025 exploration program included 36 drill holes, with some new results extending mineralization at the DUKE Deposit and DUKE Offset, while many scout holes did not return significant intersections. The company also provided details on the regional porphyry Cu-Au potential in British Columbia. Reasoning: The announcement confirms Boliden's continued participation in the DUKE JV, which is a positive for project funding and continuity. While some new drilling extended mineralization, many holes yielded no significant results, and the grades of new intercepts are generally lower than previously reported highlights. The disclosure of robust QA/QC procedures and metal equivalent assumptions adds confidence to the reported data. - Positive factor: Joint venture with Boliden confirmed, ensuring continued funding and exploration - Positive factor: New drilling extends mineralization at DUKE Offset - Positive factor: Comprehensive QA/QC procedures disclosed - Negative factor: Many drill holes reported 'no significant intersections' - Negative factor: New intercepts show lower grades compared to historical highlights - Negative factor: True width not disclosed for any intercepts Facts used in scoring: 91 ## Classification and evidence **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: The release details the QA/QC program, including the use of ALS Laboratories \(ISO/IEC 17025:2017 accredited\) and the insertion of standards, in-line replicates, and blanks, with review and approval by a Qualified Person. Evidence · text > Mark Rebagliati, P.Eng., a Qualified Person \("QP"\) as defined by National Instrument 43-101, has reviewed and approved the technical and scientific information in this news release. ... All drill core was logged, photographed, and cut in half with a diamond saw. Half core samples from the DUKE drilling were sent to ALS Laboratories, Kamloops or Langley, BC, Canada, for preparation and to North Vancouver, BC, Canada for analysis. All facilities are ISO/IEC 17025:2017 accredited. ... As part of a comprehensive Quality Assurance/Quality Control \("QAQC"\) program, Amarc control samples were inserted in each analytical batch of the drill core samples at the following rates: standards one in 20 regular samples, in-line replicates one in 20 regular samples and one coarse blank per hole. **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: The drilling at DUKE Offset is described as 'extending this deposit-area' and 'newly identified mineralized volumes are open to expansion'. Evidence · text > three holes were drilled along a 440 m long east-west fence across the southern end of DUKE Offset \(120 m to 150 m south of previous drilling, Figure 2 and Table 1\), extending this deposit-area. **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: The document refers to 'On-going Delineation Drilling Continues to Expand the DUKE Deposit', indicating drilling aimed at improving confidence and expanding the known resource. Evidence · text > Figure 2 DUKE Deposit: On-going Delineation Drilling Continues to Expand the DUKE Deposit **Apparent Width Only** Polarity: negative Definition: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness. Why it applies: No true width information is provided for any of the reported drill intercepts. Evidence · text > 71 m of 0.45% CuEQ **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: Several high-grade intercepts are explicitly stated as 'Highlights from previous drilling at the DUKE Deposit include \(see Amarc release June 25, 2024\)' or 'historical holes drilled in the 1970's'. Evidence · text > Highlights from previous drilling at the DUKE Deposit include \(see Amarc release June 25, 2024\) ## Extracted facts Stored fact records: 91. Some facts used in scoring do not have a stored record. ## Drill Results (91) ### DK24033 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-0) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24033 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.35 - Grade Unit: % - Intercept: 71 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24033:71m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.45 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a strong copper grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 71 m of 0.45% CuEQ 1 \(0.35% Cu, 0.016% Mo, 0.06 g/t Au, 1.6 g/t Ag\) ### DK24033 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-1) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24033 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.016 - Grade Unit: % - Intercept: 71 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24033:71m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.45 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate molybdenum grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 71 m of 0.45% CuEQ 1 \(0.35% Cu, 0.016% Mo, 0.06 g/t Au, 1.6 g/t Ag\) ### DK24033 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-2) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24033 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.06 - Grade Unit: g/t - Intercept: 71 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24033:71m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.45 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 71 m of 0.45% CuEQ 1 \(0.35% Cu, 0.016% Mo, 0.06 g/t Au, 1.6 g/t Ag\) ### DK24033 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-3) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24033 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.6 - Grade Unit: g/t - Intercept: 71 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24033:71m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.45 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 71 m of 0.45% CuEQ 1 \(0.35% Cu, 0.016% Mo, 0.06 g/t Au, 1.6 g/t Ag\) ### DK24033 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-4) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24033 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.29 - Grade Unit: % - Intercept: 104 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24033:104m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate copper grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 104 m of 0.38% CuEQ \(0.29% Cu, 0.016% Mo, 0.06 g/t Au, 1.3 g/t Ag\) ### DK24033 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-5) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24033 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.016 - Grade Unit: % - Intercept: 104 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24033:104m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate molybdenum grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 104 m of 0.38% CuEQ \(0.29% Cu, 0.016% Mo, 0.06 g/t Au, 1.3 g/t Ag\) ### DK24033 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-6) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24033 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.06 - Grade Unit: g/t - Intercept: 104 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24033:104m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 104 m of 0.38% CuEQ \(0.29% Cu, 0.016% Mo, 0.06 g/t Au, 1.3 g/t Ag\) ### DK24033 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-7) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24033 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.3 - Grade Unit: g/t - Intercept: 104 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24033:104m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 104 m of 0.38% CuEQ \(0.29% Cu, 0.016% Mo, 0.06 g/t Au, 1.3 g/t Ag\) ### DK24034 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-8) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24034 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.25 - Grade Unit: % - Intercept: 110 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24034:110m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate copper grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 110 m of 0.38% CuEQ \(0.25% Cu, 0.028% Mo, 0.04 g/t Au, 1.1 g/t Ag\) ### DK24034 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-9) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24034 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.028 - Grade Unit: % - Intercept: 110 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24034:110m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate molybdenum grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 110 m of 0.38% CuEQ \(0.25% Cu, 0.028% Mo, 0.04 g/t Au, 1.1 g/t Ag\) ### DK24034 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-10) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24034 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.04 - Grade Unit: g/t - Intercept: 110 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24034:110m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 110 m of 0.38% CuEQ \(0.25% Cu, 0.028% Mo, 0.04 g/t Au, 1.1 g/t Ag\) ### DK24034 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-11) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24034 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.1 - Grade Unit: g/t - Intercept: 110 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24034:110m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 110 m of 0.38% CuEQ \(0.25% Cu, 0.028% Mo, 0.04 g/t Au, 1.1 g/t Ag\) ### DK24034 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-12) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24034 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.26 - Grade Unit: % - Intercept: 30 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24034:30m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.39 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate copper grade for a porphyry deposit over a moderate width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 30 m of 0.39% CuEQ \(0.26% Cu, 0.025% Mo, 0.05 g/t Au, 1.4 g/t Ag\) ### DK24034 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-13) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24034 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.025 - Grade Unit: % - Intercept: 30 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24034:30m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.39 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate molybdenum grade for a porphyry deposit over a moderate width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 30 m of 0.39% CuEQ \(0.26% Cu, 0.025% Mo, 0.05 g/t Au, 1.4 g/t Ag\) ### DK24034 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-14) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24034 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.05 - Grade Unit: g/t - Intercept: 30 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24034:30m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.39 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a moderate width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 30 m of 0.39% CuEQ \(0.26% Cu, 0.025% Mo, 0.05 g/t Au, 1.4 g/t Ag\) ### DK24034 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-15) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24034 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.4 - Grade Unit: g/t - Intercept: 30 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24034:30m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.39 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a moderate width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 30 m of 0.39% CuEQ \(0.26% Cu, 0.025% Mo, 0.05 g/t Au, 1.4 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-16) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.52 - Grade Unit: % - Intercept: 15 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:15m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.69 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a strong copper grade for a porphyry deposit over a narrow width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 15 m of 0.69% CuEQ \(0.52% Cu, 0.024% Mo, 0.11 g/t Au, 2.9 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-17) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.024 - Grade Unit: % - Intercept: 15 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:15m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.69 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate molybdenum grade for a porphyry deposit over a narrow width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 15 m of 0.69% CuEQ \(0.52% Cu, 0.024% Mo, 0.11 g/t Au, 2.9 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-18) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.11 - Grade Unit: g/t - Intercept: 15 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:15m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.69 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a narrow width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 15 m of 0.69% CuEQ \(0.52% Cu, 0.024% Mo, 0.11 g/t Au, 2.9 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-19) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 2.9 - Grade Unit: g/t - Intercept: 15 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:15m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.69 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a narrow width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 15 m of 0.69% CuEQ \(0.52% Cu, 0.024% Mo, 0.11 g/t Au, 2.9 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-20) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.31 - Grade Unit: % - Intercept: 29 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:29m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.47 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate copper grade for a porphyry deposit over a moderate width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 29 m of 0.47% CuEQ \(0.31% Cu, 0.030% Mo, 0.06 g/t Au, 1.7 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-21) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.03 - Grade Unit: % - Intercept: 29 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:29m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.47 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate molybdenum grade for a porphyry deposit over a moderate width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 29 m of 0.47% CuEQ \(0.31% Cu, 0.030% Mo, 0.06 g/t Au, 1.7 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-22) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.06 - Grade Unit: g/t - Intercept: 29 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:29m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.47 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a moderate width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 29 m of 0.47% CuEQ \(0.31% Cu, 0.030% Mo, 0.06 g/t Au, 1.7 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-23) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.7 - Grade Unit: g/t - Intercept: 29 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:29m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.47 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a moderate width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 29 m of 0.47% CuEQ \(0.31% Cu, 0.030% Mo, 0.06 g/t Au, 1.7 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-24) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.19 - Grade Unit: % - Intercept: 209 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:209m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.26 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate copper grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 209 m of 0.26% CuEQ \(0.19% Cu, 0.013% Mo, 0.04 g/t Au and 1.0 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-25) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.013 - Grade Unit: % - Intercept: 209 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:209m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.26 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak molybdenum grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 209 m of 0.26% CuEQ \(0.19% Cu, 0.013% Mo, 0.04 g/t Au and 1.0 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-26) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.04 - Grade Unit: g/t - Intercept: 209 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:209m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.26 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 209 m of 0.26% CuEQ \(0.19% Cu, 0.013% Mo, 0.04 g/t Au and 1.0 g/t Ag\) ### DK24037 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-27) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK24037 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1 - Grade Unit: g/t - Intercept: 209 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK24037:209m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.26 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 209 m of 0.26% CuEQ \(0.19% Cu, 0.013% Mo, 0.04 g/t Au and 1.0 g/t Ag\) ### DK22009 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-28) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK22009 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.31 - Grade Unit: % - Intercept: 183 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK22009:183m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.43 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate copper grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 183 m of 0.43% CuEQ \(0.31% Cu, 0.019% Mo, 0.07 g/t Au,1.5 g/t Ag\) ### DK22009 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-29) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK22009 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.019 - Grade Unit: % - Intercept: 183 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK22009:183m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.43 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate molybdenum grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 183 m of 0.43% CuEQ \(0.31% Cu, 0.019% Mo, 0.07 g/t Au,1.5 g/t Ag\) ### DK22009 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-30) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK22009 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.07 - Grade Unit: g/t - Intercept: 183 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK22009:183m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.43 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 183 m of 0.43% CuEQ \(0.31% Cu, 0.019% Mo, 0.07 g/t Au,1.5 g/t Ag\) ### DK22009 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-31) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK22009 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.5 - Grade Unit: g/t - Intercept: 183 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK22009:183m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.43 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 183 m of 0.43% CuEQ \(0.31% Cu, 0.019% Mo, 0.07 g/t Au,1.5 g/t Ag\) ### DK22010 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-32) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK22010 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.33 - Grade Unit: % - Intercept: 217 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK22010:217m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.45 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate copper grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 217 m of 0.45% CuEQ \(0.33% Cu, 0.018% Mo, 0.08 g/t Au, 1.5 g/t Ag\) ### DK22010 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-33) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK22010 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.018 - Grade Unit: % - Intercept: 217 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK22010:217m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.45 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate molybdenum grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 217 m of 0.45% CuEQ \(0.33% Cu, 0.018% Mo, 0.08 g/t Au, 1.5 g/t Ag\) ### DK22010 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-34) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK22010 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.08 - Grade Unit: g/t - Intercept: 217 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK22010:217m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.45 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 217 m of 0.45% CuEQ \(0.33% Cu, 0.018% Mo, 0.08 g/t Au, 1.5 g/t Ag\) ### DK22010 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-35) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK22010 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.5 - Grade Unit: g/t - Intercept: 217 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK22010:217m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.45 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a continuous width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 217 m of 0.45% CuEQ \(0.33% Cu, 0.018% Mo, 0.08 g/t Au, 1.5 g/t Ag\) ### DK23022 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-36) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK23022 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.3 - Grade Unit: % - Intercept: 83 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK23022:83m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.41 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate copper grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 83 m of 0.41% CuEQ \(0.30% Cu, 0.017% Mo, 0.06 g/t Au, 1.1 g/t Ag\) ### DK23022 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-37) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK23022 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.017 - Grade Unit: % - Intercept: 83 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK23022:83m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.41 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate molybdenum grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 83 m of 0.41% CuEQ \(0.30% Cu, 0.017% Mo, 0.06 g/t Au, 1.1 g/t Ag\) ### DK23022 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-38) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK23022 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.06 - Grade Unit: g/t - Intercept: 83 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK23022:83m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.41 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 83 m of 0.41% CuEQ \(0.30% Cu, 0.017% Mo, 0.06 g/t Au, 1.1 g/t Ag\) ### DK23022 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-39) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: DK23022 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.1 - Grade Unit: g/t - Intercept: 83 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK23022:83m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.41 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2024-06-25T00:00:00.000Z #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a significant width, but it is a re-release of historical data. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 83 m of 0.41% CuEQ \(0.30% Cu, 0.017% Mo, 0.06 g/t Au, 1.1 g/t Ag\) ### 70-02 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-40) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: 70-02 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.29 - Grade Unit: % - Intercept: 113 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: 70-02:113m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate copper grade for a porphyry deposit over a significant width, but it is a re-release of very old historical data from the 1970s. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 70-02 returned 113 m of 0.38% CuEQ \(0.29% Cu, 0.012% Mo, 0.06 g/t Au, 1.1 g/t Ag\) ### 70-02 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-41) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: 70-02 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.012 - Grade Unit: % - Intercept: 113 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: 70-02:113m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak molybdenum grade for a porphyry deposit over a significant width, but it is a re-release of very old historical data from the 1970s. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 70-02 returned 113 m of 0.38% CuEQ \(0.29% Cu, 0.012% Mo, 0.06 g/t Au, 1.1 g/t Ag\) ### 70-02 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-42) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: 70-02 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.06 - Grade Unit: g/t - Intercept: 113 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: 70-02:113m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a significant width, but it is a re-release of very old historical data from the 1970s. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 70-02 returned 113 m of 0.38% CuEQ \(0.29% Cu, 0.012% Mo, 0.06 g/t Au, 1.1 g/t Ag\) ### 70-02 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-43) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: 70-02 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.1 - Grade Unit: g/t - Intercept: 113 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: 70-02:113m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.38 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a significant width, but it is a re-release of very old historical data from the 1970s. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 70-02 returned 113 m of 0.38% CuEQ \(0.29% Cu, 0.012% Mo, 0.06 g/t Au, 1.1 g/t Ag\) ### 70-02 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-44) DUKE Deposit · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: 70-02 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.41 - Grade Unit: % - Intercept: 12 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: 70-02:12m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.51 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a strong copper grade for a porphyry deposit over a narrow width, but it is a re-release of very old historical data from the 1970s. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 12 m of 0.51% CuEQ \(0.41% Cu, 0.010% Mo, 0.09 g/t Au, 1.6 g/t Ag\) ### 70-02 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-45) DUKE Deposit · molybdenum Historical result Needs review: historical\_restatement #### Identity - Hole ID: 70-02 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.01 - Grade Unit: % - Intercept: 12 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: 70-02:12m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.51 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak molybdenum grade for a porphyry deposit over a narrow width, but it is a re-release of very old historical data from the 1970s. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 12 m of 0.51% CuEQ \(0.41% Cu, 0.010% Mo, 0.09 g/t Au, 1.6 g/t Ag\) ### 70-02 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-46) DUKE Deposit · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: 70-02 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.09 - Grade Unit: g/t - Intercept: 12 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: 70-02:12m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.51 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a narrow width, but it is a re-release of very old historical data from the 1970s. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 12 m of 0.51% CuEQ \(0.41% Cu, 0.010% Mo, 0.09 g/t Au, 1.6 g/t Ag\) ### 70-02 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-47) DUKE Deposit · silver Historical result Needs review: historical\_restatement #### Identity - Hole ID: 70-02 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.6 - Grade Unit: g/t - Intercept: 12 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: 70-02:12m - Mining Method: open\_pit #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.51 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a narrow width, but it is a re-release of very old historical data from the 1970s. - Negative factor: Apparent Width Only - Negative factor: Stale Data Re-release Evidence · text > 12 m of 0.51% CuEQ \(0.41% Cu, 0.010% Mo, 0.09 g/t Au, 1.6 g/t Ag\) ### DK25086 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-48) DUKE Deposit · copper #### Identity - Hole ID: DK25086 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.19 - Grade Unit: % - Intercept: 211 m - From: 151 m - To: 362 m - Hole Depth: 390 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25086:151-362 - Mining Method: open\_pit #### Location - Easting: 679702 - Northing: 6125199 - CRS: UTM NAD83 Zone 9N - Elevation: 925 m - Azimuth: 1 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.25 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate copper grade for a porphyry deposit over a continuous width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > Hole DK25086 returned 211 m of 0.25% CuEQ \(0.19% Cu, 0.01% Mo, 0.03 g/t Au, 1.0 g/t Ag\) from 151 m ### DK25086 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-49) DUKE Deposit · molybdenum #### Identity - Hole ID: DK25086 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.01 - Grade Unit: % - Intercept: 211 m - From: 151 m - To: 362 m - Hole Depth: 390 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25086:151-362 - Mining Method: open\_pit #### Location - Easting: 679702 - Northing: 6125199 - CRS: UTM NAD83 Zone 9N - Elevation: 925 m - Azimuth: 1 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.25 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak molybdenum grade for a porphyry deposit over a continuous width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > Hole DK25086 returned 211 m of 0.25% CuEQ \(0.19% Cu, 0.01% Mo, 0.03 g/t Au, 1.0 g/t Ag\) from 151 m ### DK25086 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-50) DUKE Deposit · gold #### Identity - Hole ID: DK25086 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.03 - Grade Unit: g/t - Intercept: 211 m - From: 151 m - To: 362 m - Hole Depth: 390 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25086:151-362 - Mining Method: open\_pit #### Location - Easting: 679702 - Northing: 6125199 - CRS: UTM NAD83 Zone 9N - Elevation: 925 m - Azimuth: 1 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.25 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a continuous width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > Hole DK25086 returned 211 m of 0.25% CuEQ \(0.19% Cu, 0.01% Mo, 0.03 g/t Au, 1.0 g/t Ag\) from 151 m ### DK25086 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-51) DUKE Deposit · silver #### Identity - Hole ID: DK25086 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1 - Grade Unit: g/t - Intercept: 211 m - From: 151 m - To: 362 m - Hole Depth: 390 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25086:151-362 - Mining Method: open\_pit #### Location - Easting: 679702 - Northing: 6125199 - CRS: UTM NAD83 Zone 9N - Elevation: 925 m - Azimuth: 1 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.25 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a continuous width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > Hole DK25086 returned 211 m of 0.25% CuEQ \(0.19% Cu, 0.01% Mo, 0.03 g/t Au, 1.0 g/t Ag\) from 151 m ### DK25086 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-52) DUKE Deposit · copper #### Identity - Hole ID: DK25086 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.24 - Grade Unit: % - Intercept: 89 m - From: 273 m - To: 362 m - Hole Depth: 390 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25086:273-362 - Mining Method: open\_pit #### Location - Easting: 679702 - Northing: 6125199 - CRS: UTM NAD83 Zone 9N - Elevation: 925 m - Azimuth: 1 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.33 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate copper grade for a porphyry deposit over a significant width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > including 89 m of 0.33% CuEQ \(0.24% Cu, 0.02% Mo, 0.04 g/t Au, 1.2 g/t Ag\) from 273 m ### DK25086 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-53) DUKE Deposit · molybdenum #### Identity - Hole ID: DK25086 - Project: DUKE Deposit - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.02 - Grade Unit: % - Intercept: 89 m - From: 273 m - To: 362 m - Hole Depth: 390 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25086:273-362 - Mining Method: open\_pit #### Location - Easting: 679702 - Northing: 6125199 - CRS: UTM NAD83 Zone 9N - Elevation: 925 m - Azimuth: 1 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.33 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a moderate molybdenum grade for a porphyry deposit over a significant width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > including 89 m of 0.33% CuEQ \(0.24% Cu, 0.02% Mo, 0.04 g/t Au, 1.2 g/t Ag\) from 273 m ### DK25086 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-54) DUKE Deposit · gold #### Identity - Hole ID: DK25086 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.04 - Grade Unit: g/t - Intercept: 89 m - From: 273 m - To: 362 m - Hole Depth: 390 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25086:273-362 - Mining Method: open\_pit #### Location - Easting: 679702 - Northing: 6125199 - CRS: UTM NAD83 Zone 9N - Elevation: 925 m - Azimuth: 1 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.33 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a significant width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > including 89 m of 0.33% CuEQ \(0.24% Cu, 0.02% Mo, 0.04 g/t Au, 1.2 g/t Ag\) from 273 m ### DK25086 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-55) DUKE Deposit · silver #### Identity - Hole ID: DK25086 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.2 - Grade Unit: g/t - Intercept: 89 m - From: 273 m - To: 362 m - Hole Depth: 390 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25086:273-362 - Mining Method: open\_pit #### Location - Easting: 679702 - Northing: 6125199 - CRS: UTM NAD83 Zone 9N - Elevation: 925 m - Azimuth: 1 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.33 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a significant width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > including 89 m of 0.33% CuEQ \(0.24% Cu, 0.02% Mo, 0.04 g/t Au, 1.2 g/t Ag\) from 273 m ### DK25087 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-56) DUKE Deposit · copper #### Identity - Hole ID: DK25087 - Project: DUKE Deposit - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.08 - Grade Unit: % - Intercept: 66 m - From: 137 m - To: 203 m - Hole Depth: 339 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25087:137-203 - Mining Method: open\_pit #### Location - Easting: 680195 - Northing: 6125167 - CRS: UTM NAD83 Zone 9N - Elevation: 959 m - Azimuth: 359 ° - Dip: -44 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.1 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak copper grade for a porphyry deposit over a significant width, representing new drilling results but below typical economic thresholds. - Negative factor: Apparent Width Only Evidence · text > hole DK25087 returned 66 m of 0.10% CuEQ \(0.08% Cu, 0.01 g/t Au, 0.4 g/t Ag\) from 137 m ### DK25087 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-57) DUKE Deposit · gold #### Identity - Hole ID: DK25087 - Project: DUKE Deposit - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.01 - Grade Unit: g/t - Intercept: 66 m - From: 137 m - To: 203 m - Hole Depth: 339 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25087:137-203 - Mining Method: open\_pit #### Location - Easting: 680195 - Northing: 6125167 - CRS: UTM NAD83 Zone 9N - Elevation: 959 m - Azimuth: 359 ° - Dip: -44 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.1 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a significant width, representing new drilling results but below typical economic thresholds. - Negative factor: Apparent Width Only Evidence · text > hole DK25087 returned 66 m of 0.10% CuEQ \(0.08% Cu, 0.01 g/t Au, 0.4 g/t Ag\) from 137 m ### DK25087 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-58) DUKE Deposit · silver #### Identity - Hole ID: DK25087 - Project: DUKE Deposit - Commodity: silver - Ticker: AHR #### Geometry - Grade: 0.4 - Grade Unit: g/t - Intercept: 66 m - From: 137 m - To: 203 m - Hole Depth: 339 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25087:137-203 - Mining Method: open\_pit #### Location - Easting: 680195 - Northing: 6125167 - CRS: UTM NAD83 Zone 9N - Elevation: 959 m - Azimuth: 359 ° - Dip: -44 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.1 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a significant width, representing new drilling results but below typical economic thresholds. - Negative factor: Apparent Width Only Evidence · text > hole DK25087 returned 66 m of 0.10% CuEQ \(0.08% Cu, 0.01 g/t Au, 0.4 g/t Ag\) from 137 m ### DK25085 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-59) DUKE Offset · copper #### Identity - Hole ID: DK25085 - Project: DUKE Offset - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.1 - Grade Unit: % - Intercept: 84 m - From: 105 m - To: 189 m - Hole Depth: 189 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25085:105-189 - Mining Method: open\_pit #### Location - Easting: 679157 - Northing: 6126154 - CRS: UTM NAD83 Zone 9N - Elevation: 955 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.16 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak copper grade for a porphyry deposit over a significant width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > Hole DK25085 returned 84 m at 0.16% CuEQ \(0.10% Cu, 0.01% Mo, 0.02 g/t Au, 1.0 g/t Ag\) from 105 m ### DK25085 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-60) DUKE Offset · molybdenum #### Identity - Hole ID: DK25085 - Project: DUKE Offset - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.01 - Grade Unit: % - Intercept: 84 m - From: 105 m - To: 189 m - Hole Depth: 189 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25085:105-189 - Mining Method: open\_pit #### Location - Easting: 679157 - Northing: 6126154 - CRS: UTM NAD83 Zone 9N - Elevation: 955 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.16 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak molybdenum grade for a porphyry deposit over a significant width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > Hole DK25085 returned 84 m at 0.16% CuEQ \(0.10% Cu, 0.01% Mo, 0.02 g/t Au, 1.0 g/t Ag\) from 105 m ### DK25085 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-61) DUKE Offset · gold #### Identity - Hole ID: DK25085 - Project: DUKE Offset - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.02 - Grade Unit: g/t - Intercept: 84 m - From: 105 m - To: 189 m - Hole Depth: 189 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25085:105-189 - Mining Method: open\_pit #### Location - Easting: 679157 - Northing: 6126154 - CRS: UTM NAD83 Zone 9N - Elevation: 955 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.16 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a significant width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > Hole DK25085 returned 84 m at 0.16% CuEQ \(0.10% Cu, 0.01% Mo, 0.02 g/t Au, 1.0 g/t Ag\) from 105 m ### DK25085 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-62) DUKE Offset · silver #### Identity - Hole ID: DK25085 - Project: DUKE Offset - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1 - Grade Unit: g/t - Intercept: 84 m - From: 105 m - To: 189 m - Hole Depth: 189 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25085:105-189 - Mining Method: open\_pit #### Location - Easting: 679157 - Northing: 6126154 - CRS: UTM NAD83 Zone 9N - Elevation: 955 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.16 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a significant width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > Hole DK25085 returned 84 m at 0.16% CuEQ \(0.10% Cu, 0.01% Mo, 0.02 g/t Au, 1.0 g/t Ag\) from 105 m ### DK25094 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-63) DUKE Offset · copper #### Identity - Hole ID: DK25094 - Project: DUKE Offset - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.09 - Grade Unit: % - Intercept: 12 m - From: 54 m - To: 66 m - Hole Depth: 121.8 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25094:54-66 - Mining Method: open\_pit #### Location - Easting: 678933 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 269 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.16 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak copper grade for a porphyry deposit over a narrow width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > hole DK25094 returned 12 m of 0.16% CuEQ \(0.09% Cu, 0.02% Mo, 0.01 g/t Au, 0.5 g/t Ag\) from 54 m ### DK25094 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-64) DUKE Offset · molybdenum #### Identity - Hole ID: DK25094 - Project: DUKE Offset - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.02 - Grade Unit: % - Intercept: 12 m - From: 54 m - To: 66 m - Hole Depth: 121.8 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25094:54-66 - Mining Method: open\_pit #### Location - Easting: 678933 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 269 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.16 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak molybdenum grade for a porphyry deposit over a narrow width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > hole DK25094 returned 12 m of 0.16% CuEQ \(0.09% Cu, 0.02% Mo, 0.01 g/t Au, 0.5 g/t Ag\) from 54 m ### DK25094 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-65) DUKE Offset · gold #### Identity - Hole ID: DK25094 - Project: DUKE Offset - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.01 - Grade Unit: g/t - Intercept: 12 m - From: 54 m - To: 66 m - Hole Depth: 121.8 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25094:54-66 - Mining Method: open\_pit #### Location - Easting: 678933 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 269 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.16 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a narrow width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > hole DK25094 returned 12 m of 0.16% CuEQ \(0.09% Cu, 0.02% Mo, 0.01 g/t Au, 0.5 g/t Ag\) from 54 m ### DK25094 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-66) DUKE Offset · silver #### Identity - Hole ID: DK25094 - Project: DUKE Offset - Commodity: silver - Ticker: AHR #### Geometry - Grade: 0.5 - Grade Unit: g/t - Intercept: 12 m - From: 54 m - To: 66 m - Hole Depth: 121.8 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25094:54-66 - Mining Method: open\_pit #### Location - Easting: 678933 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 269 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.16 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a narrow width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > hole DK25094 returned 12 m of 0.16% CuEQ \(0.09% Cu, 0.02% Mo, 0.01 g/t Au, 0.5 g/t Ag\) from 54 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-67) DUKE Offset · copper #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.13 - Grade Unit: % - Intercept: 31 m - From: 31 m - To: 62 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:31-62 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.18 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak copper grade for a porphyry deposit over a moderate width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > DK25093 returned 31 m of 0.18% CuEQ \(0.13% Cu, 0.01% Mo, 0.02 g/t Au, 0.6 g/t Ag\) from 31 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-68) DUKE Offset · molybdenum #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.01 - Grade Unit: % - Intercept: 31 m - From: 31 m - To: 62 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:31-62 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.18 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak molybdenum grade for a porphyry deposit over a moderate width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > DK25093 returned 31 m of 0.18% CuEQ \(0.13% Cu, 0.01% Mo, 0.02 g/t Au, 0.6 g/t Ag\) from 31 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-69) DUKE Offset · gold #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.02 - Grade Unit: g/t - Intercept: 31 m - From: 31 m - To: 62 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:31-62 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.18 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a moderate width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > DK25093 returned 31 m of 0.18% CuEQ \(0.13% Cu, 0.01% Mo, 0.02 g/t Au, 0.6 g/t Ag\) from 31 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-70) DUKE Offset · silver #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: silver - Ticker: AHR #### Geometry - Grade: 0.6 - Grade Unit: g/t - Intercept: 31 m - From: 31 m - To: 62 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:31-62 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.18 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a moderate width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > DK25093 returned 31 m of 0.18% CuEQ \(0.13% Cu, 0.01% Mo, 0.02 g/t Au, 0.6 g/t Ag\) from 31 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-71) DUKE Offset · copper #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.1 - Grade Unit: % - Intercept: 95 m - From: 101 m - To: 196 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:101-196 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.13 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak copper grade for a porphyry deposit over a significant width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > 95 m of 0.13% CuEQ \(0.10% Cu, 0.02 g/t Au, 0.5 g/t Ag\) from 101 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-72) DUKE Offset · gold #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.02 - Grade Unit: g/t - Intercept: 95 m - From: 101 m - To: 196 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:101-196 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.13 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a significant width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > 95 m of 0.13% CuEQ \(0.10% Cu, 0.02 g/t Au, 0.5 g/t Ag\) from 101 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-73) DUKE Offset · silver #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: silver - Ticker: AHR #### Geometry - Grade: 0.5 - Grade Unit: g/t - Intercept: 95 m - From: 101 m - To: 196 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:101-196 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.13 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a significant width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > 95 m of 0.13% CuEQ \(0.10% Cu, 0.02 g/t Au, 0.5 g/t Ag\) from 101 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-74) DUKE Offset · copper #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.11 - Grade Unit: % - Intercept: 74 m - From: 219 m - To: 293 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:219-293 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.18 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak copper grade for a porphyry deposit over a significant width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > 74 m of 0.18% CuEQ \(0.11 Cu, 0.01% Mo, 0.09 g/t Au, 0.9 g/t Ag\) from 219 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-75) DUKE Offset · molybdenum #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: molybdenum - Ticker: AHR #### Geometry - Grade: 0.01 - Grade Unit: % - Intercept: 74 m - From: 219 m - To: 293 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:219-293 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.18 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak molybdenum grade for a porphyry deposit over a significant width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > 74 m of 0.18% CuEQ \(0.11 Cu, 0.01% Mo, 0.09 g/t Au, 0.9 g/t Ag\) from 219 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-76) DUKE Offset · gold #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.09 - Grade Unit: g/t - Intercept: 74 m - From: 219 m - To: 293 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:219-293 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.18 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a significant width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > 74 m of 0.18% CuEQ \(0.11 Cu, 0.01% Mo, 0.09 g/t Au, 0.9 g/t Ag\) from 219 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-77) DUKE Offset · silver #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: silver - Ticker: AHR #### Geometry - Grade: 0.9 - Grade Unit: g/t - Intercept: 74 m - From: 219 m - To: 293 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:219-293 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.18 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a significant width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > 74 m of 0.18% CuEQ \(0.11 Cu, 0.01% Mo, 0.09 g/t Au, 0.9 g/t Ag\) from 219 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-78) DUKE Offset · copper #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.15 - Grade Unit: % - Intercept: 36 m - From: 314 m - To: 350 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:314-350 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.2 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak copper grade for a porphyry deposit over a moderate width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > 36 m of 0.20% CuEQ \(0.15% Cu, 0.05 g/t Au, 1.4 g/t Ag\) from 314 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-79) DUKE Offset · gold #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.05 - Grade Unit: g/t - Intercept: 36 m - From: 314 m - To: 350 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:314-350 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.2 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a moderate width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > 36 m of 0.20% CuEQ \(0.15% Cu, 0.05 g/t Au, 1.4 g/t Ag\) from 314 m ### DK25093 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-80) DUKE Offset · silver #### Identity - Hole ID: DK25093 - Project: DUKE Offset - Commodity: silver - Ticker: AHR #### Geometry - Grade: 1.4 - Grade Unit: g/t - Intercept: 36 m - From: 314 m - To: 350 m - Hole Depth: 349.7 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DK25093:314-350 - Mining Method: open\_pit #### Location - Easting: 678939 - Northing: 6126152 - CRS: UTM NAD83 Zone 9N - Elevation: 958 m - Azimuth: 90 ° - Dip: -45 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.2 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a moderate width, representing new drilling results that extend the DUKE Offset area. - Positive factor: Step-Out Extension - Negative factor: Apparent Width Only Evidence · text > 36 m of 0.20% CuEQ \(0.15% Cu, 0.05 g/t Au, 1.4 g/t Ag\) from 314 m ### DKC25074 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-81) C4-S · copper #### Identity - Hole ID: DKC25074 - Project: C4-S - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.1 - Grade Unit: % - Intercept: 86 m - From: 46 m - To: 132 m - Hole Depth: 270 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DKC25074:46-132 - Mining Method: open\_pit #### Location - Easting: 674998 - Northing: 6132191 - CRS: UTM NAD83 Zone 9N - Elevation: 1016 m - Azimuth: 91 ° - Dip: -58 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.13 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak copper grade for a porphyry deposit over a significant width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > Drill hole DKC25074 returned 86 m of 0.13% CuEQ \(0.10% Cu, 0.03 g/t Au, 2.3 g/t Ag\) from 46 m ### DKC25074 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-82) C4-S · gold #### Identity - Hole ID: DKC25074 - Project: C4-S - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.03 - Grade Unit: g/t - Intercept: 86 m - From: 46 m - To: 132 m - Hole Depth: 270 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DKC25074:46-132 - Mining Method: open\_pit #### Location - Easting: 674998 - Northing: 6132191 - CRS: UTM NAD83 Zone 9N - Elevation: 1016 m - Azimuth: 91 ° - Dip: -58 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.13 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a significant width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > Drill hole DKC25074 returned 86 m of 0.13% CuEQ \(0.10% Cu, 0.03 g/t Au, 2.3 g/t Ag\) from 46 m ### DKC25074 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-83) C4-S · silver #### Identity - Hole ID: DKC25074 - Project: C4-S - Commodity: silver - Ticker: AHR #### Geometry - Grade: 2.3 - Grade Unit: g/t - Intercept: 86 m - From: 46 m - To: 132 m - Hole Depth: 270 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DKC25074:46-132 - Mining Method: open\_pit #### Location - Easting: 674998 - Northing: 6132191 - CRS: UTM NAD83 Zone 9N - Elevation: 1016 m - Azimuth: 91 ° - Dip: -58 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.13 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a significant width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > Drill hole DKC25074 returned 86 m of 0.13% CuEQ \(0.10% Cu, 0.03 g/t Au, 2.3 g/t Ag\) from 46 m ### DKC25074 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-84) C4-S · copper #### Identity - Hole ID: DKC25074 - Project: C4-S - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.19 - Grade Unit: % - Intercept: 38 m - From: 59 m - To: 97 m - Hole Depth: 270 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DKC25074:59-97 - Mining Method: open\_pit #### Location - Easting: 674998 - Northing: 6132191 - CRS: UTM NAD83 Zone 9N - Elevation: 1016 m - Azimuth: 91 ° - Dip: -58 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.22 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak copper grade for a porphyry deposit over a moderate width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > including 38 m at 0.22% CuEQ \(0.19% Cu, 0.03 g/t Au, 2.1 g/t Ag\) from 59 m ### DKC25074 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-85) C4-S · gold #### Identity - Hole ID: DKC25074 - Project: C4-S - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.03 - Grade Unit: g/t - Intercept: 38 m - From: 59 m - To: 97 m - Hole Depth: 270 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DKC25074:59-97 - Mining Method: open\_pit #### Location - Easting: 674998 - Northing: 6132191 - CRS: UTM NAD83 Zone 9N - Elevation: 1016 m - Azimuth: 91 ° - Dip: -58 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.22 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak gold grade for a porphyry deposit over a moderate width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > including 38 m at 0.22% CuEQ \(0.19% Cu, 0.03 g/t Au, 2.1 g/t Ag\) from 59 m ### DKC25074 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-86) C4-S · silver #### Identity - Hole ID: DKC25074 - Project: C4-S - Commodity: silver - Ticker: AHR #### Geometry - Grade: 2.1 - Grade Unit: g/t - Intercept: 38 m - From: 59 m - To: 97 m - Hole Depth: 270 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DKC25074:59-97 - Mining Method: open\_pit #### Location - Easting: 674998 - Northing: 6132191 - CRS: UTM NAD83 Zone 9N - Elevation: 1016 m - Azimuth: 91 ° - Dip: -58 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Metal Eq. Grade: 0.22 - Metal Eq. Unit: % CuEQ - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: This is a weak silver grade for a porphyry deposit over a moderate width, representing new drilling results. - Negative factor: Apparent Width Only Evidence · text > including 38 m at 0.22% CuEQ \(0.19% Cu, 0.03 g/t Au, 2.1 g/t Ag\) from 59 m ### DKC25071 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-87) C4-S · copper #### Identity - Hole ID: DKC25071 - Project: C4-S - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.08 - Grade Unit: % - Intercept: 10 m - Hole Depth: 333 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DKC25071:10m\_anomalous - Mining Method: open\_pit #### Location - Easting: 676381 - Northing: 6132772 - CRS: UTM NAD83 Zone 9N - Elevation: 1247 m - Azimuth: 360 ° - Dip: -56 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: Anomalous copper grades reported over 10m, with copper ranging from 0.06% to 0.08%, representing new drilling results but below typical economic thresholds. - Negative factor: Apparent Width Only Evidence · text > 10 and 67 m intervals of anomalous Cu ranging from 0.08% to 0.06% Cu and 0.09 to 0.06 g/t Au ### DKC25071 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-88) C4-S · gold #### Identity - Hole ID: DKC25071 - Project: C4-S - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.09 - Grade Unit: g/t - Intercept: 10 m - Hole Depth: 333 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DKC25071:10m\_anomalous - Mining Method: open\_pit #### Location - Easting: 676381 - Northing: 6132772 - CRS: UTM NAD83 Zone 9N - Elevation: 1247 m - Azimuth: 360 ° - Dip: -56 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: Anomalous gold grades reported over 10m, with gold ranging from 0.06 g/t to 0.09 g/t, representing new drilling results but below typical economic thresholds. - Negative factor: Apparent Width Only Evidence · text > 10 and 67 m intervals of anomalous Cu ranging from 0.08% to 0.06% Cu and 0.09 to 0.06 g/t Au ### DKC25071 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-89) C4-S · copper #### Identity - Hole ID: DKC25071 - Project: C4-S - Commodity: copper - Ticker: AHR #### Geometry - Grade: 0.08 - Grade Unit: % - Intercept: 67 m - Hole Depth: 333 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DKC25071:67m\_anomalous - Mining Method: open\_pit #### Location - Easting: 676381 - Northing: 6132772 - CRS: UTM NAD83 Zone 9N - Elevation: 1247 m - Azimuth: 360 ° - Dip: -56 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: Anomalous copper grades reported over 67m, with copper ranging from 0.06% to 0.08%, representing new drilling results but below typical economic thresholds. - Negative factor: Apparent Width Only Evidence · text > 10 and 67 m intervals of anomalous Cu ranging from 0.08% to 0.06% Cu and 0.09 to 0.06 g/t Au ### DKC25071 [Link to this fact](https://atlas-staging.minestarters.com/news/amarc-confirms-boliden-s-ongoing-participation-at-duke-copper-gold-district-and--810ad048-af0f-4b78-9185-379cfa547edf#fact-drill-facts-90) C4-S · gold #### Identity - Hole ID: DKC25071 - Project: C4-S - Commodity: gold - Ticker: AHR #### Geometry - Grade: 0.09 - Grade Unit: g/t - Intercept: 67 m - Hole Depth: 333 m #### Classification - Deposit Type: porphyry - Program: mixed - Group ID: DKC25071:67m\_anomalous - Mining Method: open\_pit #### Location - Easting: 676381 - Northing: 6132772 - CRS: UTM NAD83 Zone 9N - Elevation: 1247 m - Azimuth: 360 ° - Dip: -56 ° - Loc. Confidence: high #### QA/QC - Laboratory: ALS Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: standards, duplicates, blanks #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-02T00:00:00.000Z Reasoning: Anomalous gold grades reported over 67m, with gold ranging from 0.06 g/t to 0.09 g/t, representing new drilling results but below typical economic thresholds. - Negative factor: Apparent Width Only Evidence · text > 10 and 67 m intervals of anomalous Cu ranging from 0.08% to 0.06% Cu and 0.09 to 0.06 g/t Au ## How Atlas produces this analysis Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.