San Francisco Mine

PE / Áncash

•-9.51853, -77.09003View on Map Open in Google Maps

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About this location

San Francisco Mine is a historic mining site in Ancash, documented by the USGS Mineral Resources Data System. The mineralization is hosted in Jumasha Limestone (Limestone), within the Andes setting. Reported specimens include Calcite, Galena, Pyrite, Silver; logged ore minerals are Galena, Pyrite; gangue is recorded as Calcite. Production began in 1948; workings are surface.

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Found Here

CalciteGalenaPyriteSilver

Geology and deposit

Host rock: Jumasha Limestone — Limestone
Tectonic setting: Andes

Ore minerals

GalenaPyrite

Gangue minerals

Calcite

Structure

Folded And Faulted Sedimentary Rocks With Steeply Dipping Axial Planes Trending Nw, Intrusive Dike Or Sill At Least 20 Meters Thick, Traceable 600 Meters

Ore control

Fissures And Shear Zones

Alteration

Limestone And Intrusive Rock Are Pyritized In Places.

Mining history

Status: Past Producer
Workings: Surface
Production size: Small
First production: 1948

Records and references

Cited references

BODENLOS, A.J. AND ERICKSEN, G.E., 1955, LEAD ZINC DEPOSITS OF CORDILLERA BLANCA AND NORTHERN CORDILLERA HUAYHUASH, PERU. U.S.G.S. BULL. 1017, 166 PCIMRIBODENLOS AND ERICKSEN (1955).

Data: USGS Mineral Resources Data System, record 10080298 — view the source record

Difficulty

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Location on Map

Coordinates: -9.51853, -77.09003

Nearby rockhounding locations

Recompensa Mine — Calcite, GalenaÁncash · 0.2 mi
Poderosa Prospect — Chalcopyrite, CopperÁncash · 0.3 mi
Casualidad Mine — Chalcopyrite, CopperÁncash · 0.3 mi
Santa Rosa Prospect — Azurite, ChalcopyriteÁncash · 0.3 mi
Barron Prospect — Azurite, ChrysocollaÁncash · 0.4 mi
Julia Eloisa Prospect — Azurite, CalciteÁncash · 0.9 mi

More Calcite locations in Áncash

Aida, Mina — Calcite, GalenaÁncash
Alerta, Mina — Azurite, CalciteÁncash
Bodoque, Mina — Calcite, GalenaÁncash
Casualidad, Mina — Calcite, GalenaÁncash
Cerro Maco Mine — Calcite, ChalcopyriteÁncash
Cerro Mariaucro Mines — Calcite, ChalcopyriteÁncash

More locations in Áncash

Abandonada Prospect — Azurite, ChalcopyriteÁncash
Agripina No 2, Mina — Galena, SilverÁncash
Agustin Prospect — Galena, PyriteÁncash
Aida — Galena, PyriteÁncash
Aida Mine — Galena, PyriteÁncash
Aija, Mina — Galena, SilverÁncash

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