Titiminas Silver Reports Preliminary Metallurgical Test Results: Conventional Flotation Produces Copper, Lead and Zinc Concentrates at the Madre Sierra Silver Mine and a Copper-Silver Concentrate at Madre Sierra Norte
Original announcement by cnw on
- Company
- Titiminas Silver Inc.
- Ticker
- TITI
- Exchange
- Unavailable
- Region
- Junín, Peru
- Primary commodity
- Silver
- Secondary commodities
- Copper, Lead, Zinc, Gold
- Document categories
- Metallurgy
- Extracted
- 2026-10-07 11:18:31 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Titiminas Silver reported preliminary metallurgical test results from the Madre Sierra Silver Mine and Madre Sierra Norte. Conventional flotation successfully produced high-grade silver, copper, lead, and zinc concentrates, with silver recoveries exceeding 80% at both sites.
Reasoning: The results establish a strong metallurgical baseline for the PEA with high silver recoveries, though technical risk remains due to the lack of locked-cycle testing and potential smelter penalties for deleterious elements.
Positive factors
- High silver recoveries (80.8% and 84.3%)
- Strong concentrate grades for silver and lead
- Conventional flotation flowsheet successful
Negative factors
- Bench-scale batch tests only (no locked-cycle testing completed)
- Presence of arsenic and bismuth in copper concentrates likely to attract smelter penalties
- Lower gold recoveries (40.7% at MSN)
- Limited sample representativeness (preliminary results)
Facts used in scoring: 5
Classification and evidence
Bench Scale Onlynegative
Only preliminary bench tests completed — no locked-cycle or pilot work.
Why it applies: All flotation tests reported were open-circuit batch tests; locked-cycle testing has not yet been completed.
Evidence · text
“All flotation tests reported in this release were open-circuit batch tests. Locked-cycle testing has not yet been completed.”
Refractory Orenegative
Ore requires oxidation/pressure treatment before recovery — a processing and recovery risk.
Why it applies: Gold deportment to tailings and the role of gold tellurides (calaverite) are noted as requiring further investigation.
Evidence · text
“Calaverite (gold telluride) was identified at 0.3%.”
Deleterious Elements Presentnegative · Story-specific tag
Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.
Why it applies: Both copper concentrates contain arsenic and bismuth at levels expected to attract smelter penalties.
Evidence · text
“Both copper concentrates contain arsenic and bismuth at levels expected to attract smelter penalties.”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: the document describes a flotation route ("flotation")
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: only one composite was tested
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Metallurgical Results (5)
batch flotationMadre Sierra · silverRecovery: 80.8 %Head Grade: 166.8Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Madre Sierra
- Commodity
- silver
- Region
- peru
- Reported Region
- Junín, Peru
- Ticker
- TITI
Test Work
- Program Status
- preliminary
- Test Type
- batch flotation
- Processing Route
- sequential flotation (grinding to P80 133 um, bulk Cu-Pb flotation, Cu-Pb separation, Zn flotation)
- Sample
- Madre Sierra composite (Viviana, Katerin and Jazmin veins)
Recovery
- Recovery
- 80.8 %
- Recovery Basis
- actual_test
- Head Grade
- 166.8
- Head Grade Unit
- g/t
Lab
- Laboratory
- Metallurgical Testing Services SAC
- Consultant
- Miguel Huanacuni
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-07T00:00:00.000Z
Reasoning: High silver recovery from a multi-metal composite.
Positive factors
- 80.8% recovery is a strong baseline
Negative factors
- Open-circuit batch tests only
Evidence · text
“Madre Sierra total silver recovery to the three concentrates is 80.8%”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
batch flotationMadre Sierra · goldRecovery: 54.2 %Head Grade: 1.03Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Madre Sierra
- Commodity
- gold
- Region
- peru
- Reported Region
- Junín, Peru
- Ticker
- TITI
Test Work
- Program Status
- preliminary
- Test Type
- batch flotation
- Processing Route
- sequential flotation (grinding to P80 133 um, bulk Cu-Pb flotation, Cu-Pb separation, Zn flotation)
- Sample
- Madre Sierra composite (Viviana, Katerin and Jazmin veins)
Recovery
- Recovery
- 54.2 %
- Recovery Basis
- actual_test
- Head Grade
- 1.03
- Head Grade Unit
- g/t
Lab
- Laboratory
- Metallurgical Testing Services SAC
- Consultant
- Miguel Huanacuni
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-07T00:00:00.000Z
Reasoning: Gold recovery is significantly lower than silver.
Negative factors
- Relatively low gold recovery
Evidence · text
“total gold recovery is 54.2%”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 54.2% is below the weak band (80%)
batch flotationMadre Sierra Norte · silverRecovery: 84.3 %Head Grade: 314.76Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Madre Sierra Norte
- Commodity
- silver
- Region
- peru
- Reported Region
- Junín, Peru
- Ticker
- TITI
Test Work
- Program Status
- preliminary
- Test Type
- batch flotation
- Processing Route
- conventional bulk flotation (grinding to P80 127-133 um)
- Sample
- Madre Sierra Norte composite (Level 1 gallery and Level 2 stope)
Recovery
- Recovery
- 84.3 %
- Recovery Basis
- actual_test
- Head Grade
- 314.76
- Head Grade Unit
- g/t
Lab
- Laboratory
- Metallurgical Testing Services SAC
- Consultant
- Miguel Huanacuni
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-07T00:00:00.000Z
Reasoning: Strong silver recovery in a single concentrate.
Positive factors
- High silver recovery of 84.3%
Evidence · text
“84.3% silver recovery to a single copper-silver concentrate at Madre Sierra Norte”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
batch flotationMadre Sierra Norte · copperRecovery: 89.1 %Head Grade: 2.38Head Grade Unit: %View all detailsHide details
Identity
- Project
- Madre Sierra Norte
- Commodity
- copper
- Region
- peru
- Reported Region
- Junín, Peru
- Ticker
- TITI
Test Work
- Program Status
- preliminary
- Test Type
- batch flotation
- Processing Route
- conventional bulk flotation (grinding to P80 127-133 um)
- Sample
- Madre Sierra Norte composite (Level 1 gallery and Level 2 stope)
Recovery
- Recovery
- 89.1 %
- Recovery Basis
- actual_test
- Head Grade
- 2.38
- Head Grade Unit
- %
Lab
- Laboratory
- Metallurgical Testing Services SAC
- Consultant
- Miguel Huanacuni
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-07T00:00:00.000Z
Reasoning: Good copper recovery but concentrate quality concerns noted.
Positive factors
- High copper recovery of 89.1%
Negative factors
- Arsenic and bismuth in concentrate
Evidence · text
“Recovery was 89.1% for copper”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
batch flotationMadre Sierra Norte · goldRecovery: 40.7 %Head Grade: 1.39Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Madre Sierra Norte
- Commodity
- gold
- Region
- peru
- Reported Region
- Junín, Peru
- Ticker
- TITI
Test Work
- Program Status
- preliminary
- Test Type
- batch flotation
- Processing Route
- conventional bulk flotation (grinding to P80 127-133 um)
- Sample
- Madre Sierra Norte composite (Level 1 gallery and Level 2 stope)
Recovery
- Recovery
- 40.7 %
- Recovery Basis
- actual_test
- Head Grade
- 1.39
- Head Grade Unit
- g/t
Lab
- Laboratory
- Metallurgical Testing Services SAC
- Consultant
- Miguel Huanacuni
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-10-07T00:00:00.000Z
Reasoning: Gold recovery is notably low, potentially due to telluride deportment.
Negative factors
- Low gold recovery (40.7%)
Evidence · text
“Recovery was ... 40.7% for gold”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 40.7% is below the weak band (80%)
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.