Tintina Mines Completes Drilling Campaign and Reports Key Geometallurgical Advances to Support 2025 PEA for Domeyko Sulfuros Project

Original announcement by tmx on

Company
Tintina Mines Limited
Ticker
TTS
Exchange
TSX
Region
Atacama Region, Chile
Primary commodity
Copper
Secondary commodities
Gold
Document categories
Metallurgy, Drill results
Extracted
2026-08-21 07:32:44 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Tintina Mines has completed its 2025 drilling campaign at the Domeyko Sulfuros Project in Chile. Preliminary metallurgical testwork shows favorable copper and gold recoveries, supporting the upcoming Preliminary Economic Assessment (PEA).

Reasoning: The announcement reports strong preliminary metallurgical recoveries (92.6% Cu) and confirms the completion of a drilling campaign, though full assay results are still pending.

Positive factors

  • high copper recovery
  • good mineral liberation
  • QP sign-off

Negative factors

  • incomplete assay results

Facts used in scoring: 2

Atlas analysis — Tintina Mines Limited: Tintina Mines Completes Drilling Campaign and Reports Key Geometallurgical Advances to Support 2025 PEA for Domeyko Sulfuros Project. 92.6% recovery; 74.9% recovery

Classification and evidence

High Recoverypositive

Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: 92.6% Cu recovery in flotation is at the top of the strong/exceptional band.

Evidence · text

“yielded average recoveries of 92.6% Cu”

QP/CP Signedpositive · Story-specific tag

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: Mr. José Luis Bello Soto, a qualified person, has reviewed and approved the release.

Evidence · text

“reviewed and approved by Mr. José Luis Bello Soto... a “qualified person””

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: The report describes flotation and grinding circuits.

Evidence · text

“supporting the design of a conventional grinding circuit”

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Metallurgical Results (2)

flotationcopperRecovery: 92.6 %View all details
Link to this fact

Identity

Commodity
copper
Ticker
TTS

Test Work

Program Status
preliminary
Test Type
flotation
Processing Route
rougher flotation
Sample
rougher flotation, five-stage kinetic tests
Grind P80
150 µm

Recovery

Recovery
92.6 %
Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2025-08-18T00:00:00.000Z

Reasoning: 92.6% Cu recovery in flotation is strong for a preliminary test.

Positive factors

  • strong recovery

Evidence · text

“five-stage kinetic tests yielded average recoveries of 92.6% Cu”
flotationgoldRecovery: 74.9 %View all details
Link to this fact

Identity

Commodity
gold
Ticker
TTS

Test Work

Program Status
preliminary
Test Type
flotation
Processing Route
rougher flotation
Sample
rougher flotation, five-stage kinetic tests
Grind P80
150 µm

Recovery

Recovery
74.9 %
Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2025-08-18T00:00:00.000Z

Reasoning: 74.9% Au recovery in flotation is a reasonable preliminary result.

Positive factors

  • solid recovery

Evidence · text

“yielded average recoveries of 92.6% Cu and 74.9% 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.