# Copper Mining News in Eritrea Canonical page: https://atlas-staging.minestarters.com/news?commodities=copper®ions=eritrea Atlas summarizes and classifies mining-industry stories from third-party publishers. Follow each source link for the original reporting. Results: 4 Returned: 4 Coverage: drill results, resource updates, and metallurgy; primary commodity matching; all time unless dates are supplied. Region: Eritrea (eritrea) Commodity: Copper (copper) Applied filters: {"regions":["eritrea"],"commodities":["copper"],"commodity_scope":"primary","document_types":["drill_results","resource_update","metallurgy"],"document_type_match":"any"} Sort: published_at desc Offset: 0; page size: 10 ## Alpha's Drilling Confirms Second Target of Scale at Anagulu Copper-Gold Porphyry Project - Atlas analysis: [Read analysis](https://atlas-staging.minestarters.com/news/alpha-s-drilling-confirms-second-target-of-scale-at-anagulu-copper-gold-porphyry--639f4c9b-a31a-4aba-b4d5-0eaa353717e0) · [Markdown](https://atlas-staging.minestarters.com/news/alpha-s-drilling-confirms-second-target-of-scale-at-anagulu-copper-gold-porphyry--639f4c9b-a31a-4aba-b4d5-0eaa353717e0.md) - Original announcement: 2026-08-17T08:35:00.000Z - Atlas analysis published: Unknown date - Atlas analysis updated: Unknown date - Company: Alpha Exploration Ltd. (ALEX) - Original source: [tmx](https://money.tmx.com/en/quote/ALEX/news/5218294774446478/alpha-s-drilling-confirms-second-target-of-scale-at-anagulu-copper-gold-porphyry) - Atlas sentiment: 0.55 - Atlas tags: None Alpha Exploration has announced results from its H1 2026 exploration campaign at the Anagulu copper-gold porphyry project, confirming a second target of scale (Camel) and expanding the Discovery target zone. The program included core, RC, and shallow RAB drilling, along with trench sampling, identifying significant new exploration potential. The company reports several wide intercepts of copper-gold mineralization, with some high-grade sub-intervals, and highlights the untested 1.1-kilometre-long, higher-grade part of the Camel zone RAB copper anomaly as a compelling exploration target. ## Alpha Further Expands Footprint of Anagulu Copper-Gold Porphyry Prospect and Discovers New Nightjar Target Zone Measuring 1 x 0.15km - Atlas analysis: [Read analysis](https://atlas-staging.minestarters.com/news/alpha-further-expands-footprint-of-anagulu-copper-gold-porphyry-prospect-and-dis--7daac283-1f15-4857-bf1b-450a1d63c031) · [Markdown](https://atlas-staging.minestarters.com/news/alpha-further-expands-footprint-of-anagulu-copper-gold-porphyry-prospect-and-dis--7daac283-1f15-4857-bf1b-450a1d63c031.md) - Original announcement: 2026-06-24T11:00:00.000Z - Atlas analysis published: Unknown date - Atlas analysis updated: Unknown date - Company: Alpha Exploration Ltd. (ALEX) - Original source: [tmx](https://money.tmx.com/en/quote/ALEX/news/8976339303228557/alpha-further-expands-footprint-of-anagulu-copper-gold-porphyry-prospect-and-dis) - Atlas sentiment: 0.46 - Atlas tags: None Alpha Exploration Ltd. announced the discovery of a new Nightjar target zone, measuring 1 km by 0.15 km, and the expansion of the Camel target zone to over 1 km, both within its Anagulu Copper-Gold Porphyry Project in Eritrea. Shallow RAB drilling returned top of bedrock copper samples up to 3,390 ppm (0.339% Cu), significantly expanding the known mineralized footprint. These results are from reconnaissance drilling using pXRF analysis, and the true thickness of the mineralization is currently unknown. ## Alpha Expands the Footprint of the Anagulu Copper-Gold Porphyry and New Camel Target Zone Measures at Least 1 x 0.25km - Atlas analysis: [Read analysis](https://atlas-staging.minestarters.com/news/alpha-expands-the-footprint-of-the-anagulu-copper-gold-porphyry-and-new-camel-ta--27235fed-2029-48e3-98f1-5c7d20fad94a) · [Markdown](https://atlas-staging.minestarters.com/news/alpha-expands-the-footprint-of-the-anagulu-copper-gold-porphyry-and-new-camel-ta--27235fed-2029-48e3-98f1-5c7d20fad94a.md) - Original announcement: 2026-04-09T09:51:00.000Z - Atlas analysis published: Unknown date - Atlas analysis updated: Unknown date - Company: Alpha Exploration Ltd. (ALEX) - Original source: [tmx](https://money.tmx.com/en/quote/ALEX/news/7910969438099807/alpha-expands-the-footprint-of-the-anagulu-copper-gold-porphyry-and-new-camel-ta) - Atlas sentiment: 0.623 - Atlas tags: Step-Out Extension, QA/QC Disclosed, Compositing Transparent, Apparent Width Only, Stale Data Re-release, Exploration Drilling Alpha Exploration has significantly expanded the footprint of its Anagulu Copper-Gold Porphyry Project in Eritrea, identifying a new 1 km x 0.25 km Camel Target Zone with robust copper values from shallow RAB drilling. New core drilling results confirm the extension of the mineralized porphyry unit, including 25.00 metres grading 0.55% copper and 0.16 g/t gold. The company plans further RC/core drill testing for these new targets in Q2-Q3. ## Alpha Expands Anagulu Porphyry Mineralisation with Drill Intercept of 120 metres Grading 0.30% Copper and 0.47 g/t Gold - Atlas analysis: [Read analysis](https://atlas-staging.minestarters.com/news/alpha-expands-anagulu-porphyry-mineralisation-with-drill-intercept-of-120-metres--791680a2-8588-4e9f-b19c-99a59537d5d7) · [Markdown](https://atlas-staging.minestarters.com/news/alpha-expands-anagulu-porphyry-mineralisation-with-drill-intercept-of-120-metres--791680a2-8588-4e9f-b19c-99a59537d5d7.md) - Original announcement: 2026-02-23T22:00:00.000Z - Atlas analysis published: Unknown date - Atlas analysis updated: Unknown date - Company: Alpha Exploration Ltd. (ALEX) - Original source: [tmx](https://money.tmx.com/en/quote/ALEX/news/8302036969166807/alpha-expands-anagulu-porphyry-mineralisation-with-drill-intercept-of-120-metres) - Atlas sentiment: 0.441 - Atlas tags: Step-Out Extension, QA/QC Disclosed Alpha Exploration has reported a significant 120-metre drill intercept at the Anagulu Porphyry Project in Eritrea, grading 0.30% Cu and 0.47 g/t Au. This result extends the mineralised porphyry unit at least 120 metres along strike and demonstrates the scale of the copper-gold system. # Atlas tag definitions - **Bonanza Intercept:** Exceptionally high-grade zone, well above the deposit-type norm. - **True Width Disclosed:** Actual thickness perpendicular to structure is stated, not just downhole length. - **Step-Out Extension:** Mineralization extended beyond the previously known limit. - **QA/QC Disclosed:** Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates). - **Compositing Transparent:** Cut-off grade and internal dilution rules are clearly stated for reported intervals. - **Refractory Ore:** Complex mineralogy requiring oxidation or other special processing before recovery. - **Apparent Width Only:** Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness. - **Stale Data Re-release:** Historical results re-announced with no new assays or reinterpretation — low genuine novelty. - **No QA/QC Disclosure:** Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. - **Metal Equivalent Opaque:** Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. - **Cut-off Undisclosed:** Cut-off grade not disclosed — cannot assess comparability to prior estimates or peers. - **Deleterious Elements Present:** Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release. - **Infill Drilling:** Confirmatory drilling to raise resource confidence, not new discovery. - **Nearology Play:** Value premise rests on proximity to a known deposit rather than own results. - **Measured Resource:** Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves. - **Indicated Resource:** Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. - **Proven Reserve:** Measured Resource with demonstrated economic viability after applying modifying factors. - **Probable Reserve:** Indicated Resource with demonstrated economic viability after applying modifying factors. - **Category Upgrade:** Resource confidence improved — Inferred upgraded to Indicated, or Indicated to Measured. De-risking signal. - **Tonnage Growth:** Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved. - **Grade Improvement:** Average resource grade improved vs prior estimate — better deposit economics. - **Contained Metal Growth:** True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes. - **QP/CP Signed:** Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience. - **Cut-off Disclosed:** Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. - **JORC Compliant:** Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard. - **NI 43-101 Compliant:** Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard. - **Inferred Resource:** Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. - **All Inferred:** 100% of resource is Inferred category — very early stage, no engineering confidence. - **Grade Decline:** Average grade dropped >5% vs prior estimate — deposit economics worsening. May indicate high-grading in early drilling. - **Tonnage Decline:** Resource tonnage decreased vs prior estimate — pit optimization removed marginal material or geological model revised down. - **Category Downgrade:** Resource confidence decreased — Measured downgraded to Indicated, or Indicated to Inferred. Unusual and concerning. - **Contained Metal Decline:** Contained metal decreased vs prior despite tonnage growth — grade dilution exceeds volume gain. - **Dilutive Growth:** Tonnage increased but contained metal flat or down — likely from lower cut-off grade, not geological expansion. - **Cut-off Lowered:** Cut-off grade significantly reduced vs prior estimate — tonnage growth may be artificial inflation. - **Cut-off Undisclosed:** Cut-off grade not disclosed — cannot assess comparability to prior estimates or peers. - **Historical Estimate Only:** Estimate pre-dates or does not comply with current JORC/NI 43-101 standards — requires verification drilling. - **Stale Estimate:** Effective date is >2 years old — data currency concern, may not reflect current geological understanding. - **No Contained Metal:** Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. - **No QP/CP Disclosure:** No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience. - **Maiden Resource:** First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. - **Resource Update:** Revised estimate for an existing resource — compare to prior to assess progress. - **PEA-Supporting:** Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. - **PFS-Supporting:** Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. - **DFS-Supporting:** Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. - **High Recovery:** Recovery at or above the exceptional band for the commodity and processing route. - **Pilot Scale Complete:** Pilot or demonstration plant testing completed under continuous operation. - **Free Milling:** Simple, clean ore amenable to standard processing without oxidation. - **Multi-Domain Tested:** Variability across ore domains (oxide, transition, fresh) has been addressed. - **Recovery Improving:** Recovery improved versus a like-for-like prior test program on the same domain and route. - **Low Recovery:** Recovery below the weak band for the commodity and processing route. - **Bench Scale Only:** Only preliminary bench tests completed — no locked-cycle or pilot work. - **Refractory Ore:** Complex mineralogy requiring oxidation or other special processing before recovery. - **Single Domain Only:** Testing limited to one composite or domain — representativeness not established. - **Recovery Stagnant:** No improvement across multiple test programs on comparable material. - **Theoretical Recovery Only:** Only theoretical or liberation-derived recovery reported, with no actual test result. - **Heap Leach Route:** Processing via heap leach — lower CAPEX and OPEX, lower recovery expected. - **Mill Route:** Processing via mill or concentrator (CIL, CIP, tank leach, flotation). - **Gravity Route:** Gravity separation forms a material part of the flowsheet. - **POX/BIOX Route:** Pressure or bio-oxidation for refractory ore — high CAPEX and OPEX. - **Byproduct Commodity:** The tested commodity is a byproduct rather than the primary economic driver.