Aldebaran PEA for the Altar Project Reports 48 Year Mine Life, After Tax NPV (8%) of US$2 Billion, and 20.5% IRR
Original announcement by tmx on
- Company
- Aldebaran Resources Inc.
- Ticker
- ALDE
- Exchange
- TSX
- Region
- San Juan, Argentina
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver, Molybdenum, Arsenic
- Document categories
- Production, Resource update, Metallurgy
- Extracted
- 2026-08-21 04:58:59 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
The Preliminary Economic Assessment for Aldebaran's Altar copper-gold project outlines a robust 48-year mine life, featuring a US$2 billion after-tax NPV (8%) and a 20.5% IRR. The study projects significant average annual production of 121,445 tonnes copper equivalent over the first 20 years, supported by a combined open pit and underground operation with a high percentage of Measured and Indicated resources. The PEA also highlights competitive C1 cash costs and AISC, while acknowledging the presence of arsenic in concentrates and the preliminary nature of the Nuton Technology processing alternative.
Reasoning: The PEA for the Altar project demonstrates robust economics with a 48-year mine life, a US$2 billion after-tax NPV (8%), and a 20.5% IRR, supported by a high proportion of Measured and Indicated resources in the mine plan and competitive operating costs. However, the presence of arsenic and the preliminary nature of the Nuton Technology alternative are noted.
Positive factors
- long_mine_life
- robust_economics
- high_m_and_i_in_mine_plan
- competitive_cost_profile
- attractive_capital_intensity
Negative factors
- deleterious_elements_present
- inferred_resource_in_mine_plan
- nuton_case_assumptions_incomplete
Facts used in scoring: 150
Classification and evidence
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: The document presents the results of a Preliminary Economic Assessment.
Evidence · text
“Aldebaran is pleased to announce the results of a Preliminary Economic Assessment (“PEA”)”
Long Mine Lifepositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The PEA reports a 48-year mine life.
Evidence · table
“48”
Context: Years
High NPVpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The project has an after-tax NPV (8%) of US$2 billion.
Evidence · table
“2,009”
Context: M USD
High IRRpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The project has an IRR of 20.5%.
Evidence · table
“20.5%”
Context: %
Competitive Operating Costspositive · Story-specific tag
No canonical definition is currently available.
Why it applies: C1 Cash Costs of $1.71/lb payable Cu for the first 20 years and AISC of $2.25/lb payable Cu for the first 20 years are competitive.
Evidence · text
“Cash Costs (C1) of $1.71/lb payable Cu for the first 20 years 1 , $1.87/lb payable Cu for the first 30 years 1 , and $2.02/lb payable Cu for the LOM All in Sustaining Costs (“AISC”) of $2.25/lb payable Cu for the first 20 years 1 , $2.42/lb payable Cu for the first 30 years 1 , and $2.59/lb payable Cu for the LOM”
High M&I Percentagepositive · Story-specific tag
No canonical definition is currently available.
Why it applies: ~80% of the resources in the mine plan are categorized as Measured and Indicated.
Evidence · text
“~80% of the resources (by tonnage) in the mine plan are categorized as Measured and Indicated”
Deleterious Elements Presentnegative · Story-specific tag
Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.
Why it applies: Arsenic in the concentrate is expected to range from 0.5% to 2.2%, potentially incurring penalties.
Evidence · text
“Arsenic in the concentrate is expected to range from 0.5% to 2.2%.”
Inferred Resource in Mine Plannegative · Story-specific tag
No canonical definition is currently available.
Why it applies: ~20% of the resources in the mine plan are categorized as Inferred.
Evidence · text
“with the remaining ~20% categorized as Inferred”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The PEA was prepared in accordance with National Instrument 43-101 standards.
Evidence · text
“prepared in accordance with National Instrument 43-101 standards”
QP/CP Signedpositive
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.
Why it applies: Dr. Kevin B. Heather, Chief Geological Officer and director of Aldebaran, serves as the qualified person (QP).
Evidence · text
“Dr. Kevin B. Heather, B.Sc. (Hons), M.Sc, Ph.D, FAusIMM, FGS, Chief Geological Officer and director of Aldebaran, who serves as the qualified person (QP)”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The PEA is based on an updated mineral resource estimate announced on November 25, 2024.
Evidence · text
“On November 25, 2024, the Company announced an updated mineral resource estimate (“MRE”) for the Altar project”
Conventional Flotationneutral · Story-specific tag
No canonical definition is currently available.
Why it applies: Processing via a conventional copper flotation circuit is envisioned.
Evidence · text
“processing via a conventional copper flotation circuit”
Novel Processing Potentialneutral · Story-specific tag
No canonical definition is currently available.
Why it applies: Nuton Technology, a suite of proprietary sulphide leaching technologies, is being evaluated as a potential alternative processing option.
Evidence · text
“Utilizing Nuton ® Technology, life-of-mine capital expenditure and operating costs were reduced, leading to higher life-of-mine free cash flow.”
No Precious Metal Recovery (Nuton)negative · Story-specific tag
No canonical definition is currently available.
Why it applies: Precious metals such as gold and silver cannot be recovered with Nuton® Technology.
Evidence · text
“Additionally, at this time, precious metals such as gold and silver cannot be recovered with Nuton ® Technology”
Extracted facts
Stored fact records: 64. Some facts used in scoring do not have a stored record.
Resource Estimates (64)
measuredcopperTonnes: 121884Grade: 1475Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 121884
- Grade
- 1475
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“1,475”
Context: 121,884
measuredgoldTonnes: 121884Grade: 0.3Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 121884
- Grade
- 0.3
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“0.3”
Context: 121,884
measuredsilverTonnes: 121884Grade: 4.2Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 121884
- Grade
- 4.2
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“4.2”
Context: 121,884
measuredmoTonnes: 121884Grade: 21Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 121884
- Grade
- 21
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“21”
Context: 121,884
indicatedcopperTonnes: 80007Grade: 639Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 80007
- Grade
- 639
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“639”
Context: 80,007
indicatedgoldTonnes: 80007Grade: 0.2Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 80007
- Grade
- 0.2
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“0.2”
Context: 80,007
indicatedsilverTonnes: 80007Grade: 2.4Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 80007
- Grade
- 2.4
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“2.4”
Context: 80,007
indicatedmoTonnes: 80007Grade: 19Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 80007
- Grade
- 19
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“19”
Context: 80,007
indicatedcopperTonnes: 201891Grade: 2114Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 201891
- Grade
- 2114
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“2,114”
Context: 201,891
indicatedgoldTonnes: 201891Grade: 0.5Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 201891
- Grade
- 0.5
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“0.5”
Context: 201,891
indicatedsilverTonnes: 201891Grade: 6.6Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 201891
- Grade
- 6.6
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“6.6”
Context: 201,891
indicatedmoTonnes: 201891Grade: 20Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 201891
- Grade
- 20
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“20”
Context: 201,891
inferredcopperTonnes: 24850Grade: 251Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 24850
- Grade
- 251
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“251”
Context: 24,850
inferredgoldTonnes: 24850Grade: 0.1Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 24850
- Grade
- 0.1
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“0.1”
Context: 24,850
inferredsilverTonnes: 24850Grade: 0.8Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 24850
- Grade
- 0.8
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“0.8”
Context: 24,850
inferredmoTonnes: 24850Grade: 19Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 24850
- Grade
- 19
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“19”
Context: 24,850
measuredcopperTonnes: 109510Grade: 913Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 109510
- Grade
- 913
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“913”
Context: 109,510
measuredgoldTonnes: 109510Grade: 0.2Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 109510
- Grade
- 0.2
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“0.2”
Context: 109,510
measuredsilverTonnes: 109510Grade: 4.3Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 109510
- Grade
- 4.3
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“4.3”
Context: 109,510
measuredmoTonnes: 109510Grade: 23Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 109510
- Grade
- 23
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“23”
Context: 109,510
indicatedcopperTonnes: 19208Grade: 136Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 19208
- Grade
- 136
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“136”
Context: 19,208
indicatedgoldTonnes: 19208Grade: 0Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 19208
- Grade
- 0
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“0.0”
Context: 19,208
indicatedsilverTonnes: 19208Grade: 0.7Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 19208
- Grade
- 0.7
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“0.7”
Context: 19,208
indicatedmoTonnes: 19208Grade: 23Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 19208
- Grade
- 23
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“23”
Context: 19,208
indicatedcopperTonnes: 128718Grade: 1049Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 128718
- Grade
- 1049
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“1,049”
Context: 128,718
indicatedgoldTonnes: 128718Grade: 0.3Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 128718
- Grade
- 0.3
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“0.3”
Context: 128,718
indicatedsilverTonnes: 128718Grade: 5Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 128718
- Grade
- 5
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“5.0”
Context: 128,718
indicatedmoTonnes: 128718Grade: 23Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 128718
- Grade
- 23
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“23”
Context: 128,718
inferredcopperTonnes: 1386Grade: 9Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1386
- Grade
- 9
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“9”
Context: 1,386
inferredgoldTonnes: 1386Grade: 0Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1386
- Grade
- 0
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“0.0”
Context: 1,386
inferredsilverTonnes: 1386Grade: 0Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1386
- Grade
- 0
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“0.0”
Context: 1,386
inferredmoTonnes: 1386Grade: 13Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1386
- Grade
- 13
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“13”
Context: 1,386
measuredcopperTonnes: 549385Grade: 4966Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 549385
- Grade
- 4966
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“4,966”
Context: 549,385
measuredgoldTonnes: 549385Grade: 1.7Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 549385
- Grade
- 1.7
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“1.7”
Context: 549,385
measuredsilverTonnes: 549385Grade: 17.3Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 549385
- Grade
- 17.3
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“17.3”
Context: 549,385
measuredmoTonnes: 549385Grade: 20Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 549385
- Grade
- 20
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“20”
Context: 549,385
indicatedcopperTonnes: 1517339Grade: 13882Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 1517339
- Grade
- 13882
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“13,882”
Context: 1,517,339
indicatedgoldTonnes: 1517339Grade: 2.6Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 1517339
- Grade
- 2.6
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“2.6”
Context: 1,517,339
indicatedsilverTonnes: 1517339Grade: 64.9Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 1517339
- Grade
- 64.9
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“64.9”
Context: 1,517,339
indicatedmoTonnes: 1517339Grade: 54Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 1517339
- Grade
- 54
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“54”
Context: 1,517,339
indicatedcopperTonnes: 2066724Grade: 18848Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 2066724
- Grade
- 18848
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“18,848”
Context: 2,066,724
indicatedgoldTonnes: 2066724Grade: 4.3Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 2066724
- Grade
- 4.3
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“4.3”
Context: 2,066,724
indicatedsilverTonnes: 2066724Grade: 82.2Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 2066724
- Grade
- 82.2
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“82.2”
Context: 2,066,724
indicatedmoTonnes: 2066724Grade: 45Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 2066724
- Grade
- 45
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“45”
Context: 2,066,724
inferredcopperTonnes: 1189513Grade: 9572Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1189513
- Grade
- 9572
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“9,572”
Context: 1,189,513
inferredgoldTonnes: 1189513Grade: 1.6Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1189513
- Grade
- 1.6
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“1.6”
Context: 1,189,513
inferredsilverTonnes: 1189513Grade: 48.2Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1189513
- Grade
- 48.2
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“48.2”
Context: 1,189,513
inferredmoTonnes: 1189513Grade: 46Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1189513
- Grade
- 46
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“46”
Context: 1,189,513
measuredcopperTonnes: 780779Grade: 7354Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 780779
- Grade
- 7354
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“7,354”
Context: 780,779
measuredgoldTonnes: 780779Grade: 2.3Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 780779
- Grade
- 2.3
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“2.3”
Context: 780,779
measuredsilverTonnes: 780779Grade: 25.8Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 780779
- Grade
- 25.8
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“25.8”
Context: 780,779
measuredmoTonnes: 780779Grade: 21Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- measured
- Tonnes
- 780779
- Grade
- 21
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“21”
Context: 780,779
indicatedcopperTonnes: 1616554Grade: 14657Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 1616554
- Grade
- 14657
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“14,657”
Context: 1,616,554
indicatedgoldTonnes: 1616554Grade: 2.8Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 1616554
- Grade
- 2.8
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“2.8”
Context: 1,616,554
indicatedsilverTonnes: 1616554Grade: 68Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 1616554
- Grade
- 68
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“68.0”
Context: 1,616,554
indicatedmoTonnes: 1616554Grade: 52Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 1616554
- Grade
- 52
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“52”
Context: 1,616,554
indicatedcopperTonnes: 2397333Grade: 22011Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 2397333
- Grade
- 22011
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“22,011”
Context: 2,397,333
indicatedgoldTonnes: 2397333Grade: 5.1Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 2397333
- Grade
- 5.1
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“5.1”
Context: 2,397,333
indicatedsilverTonnes: 2397333Grade: 93.8Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 2397333
- Grade
- 93.8
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“93.8”
Context: 2,397,333
indicatedmoTonnes: 2397333Grade: 42Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- indicated
- Tonnes
- 2397333
- Grade
- 42
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- high_confidence_category
Evidence · table
“42”
Context: 2,397,333
inferredcopperTonnes: 1215749Grade: 9832Grade Unit: m lbsView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1215749
- Grade
- 9832
- Grade Unit
- m lbs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“9,832”
Context: 1,215,749
inferredgoldTonnes: 1215749Grade: 1.7Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1215749
- Grade
- 1.7
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“1.7”
Context: 1,215,749
inferredsilverTonnes: 1215749Grade: 49Grade Unit: m ozsView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1215749
- Grade
- 49
- Grade Unit
- m ozs
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“49.0”
Context: 1,215,749
inferredmoTonnes: 1215749Grade: 45Grade Unit: ppmView all detailsHide details
Identity
- Commodity
- mo
- Ticker
- ALDE
Resource Data
- Category
- inferred
- Tonnes
- 1215749
- Grade
- 45
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-10-30T00:00:00.000Z
Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- inferred_resource
Evidence · table
“45”
Context: 1,215,749
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.