Minnesota Mine

Santa Cruz County, Arizona, United States

Copper Silver

Land & claims · BLM · live

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BLM MLRS ↗Claims at this point ↗Surface mgmt ↗

Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.

Commodities

PrimaryCopper

SecondarySilver

Commodity typeMetallic

Deposit

Deposit sizeSmall

WorkingsUnderground

Orebody formTABULAR

Ore controlNe-Trending Quartz Vein Cutting Quartz Monzonite

Materials

Ore mineralsMalachite

Geology

Host rockQuartz Monzonite

Associated rockHornblendite

StructureDeposits Occur In Form Of Subordinate Veins, Lenses, Stringers, And Seams In Fissures, Joints, Sheeting Planes, And Other Fractures In Quartz Monzonite And Diorite

Tectonic settingGuajolote Fault Block-Nw-Trending, Inferred Guajolote Fault Lies To E Of Deposits, Downthrow To E

AlterationStrong Potassic Alteration; Granodiorite Is Highly Shattered, Sheeted, And Crushed

Economic & production

Development statusProducer

First production1952

Last production1953

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References

USBM-ABGMT PRODUCTION FILE DATAUSBM FILE DATA-CLUSTER #22, MINNESOTA MINESCHRADER, F.C., 1915, USGS BULL, 582, P.316SIMONS, FRANK S 1974 GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA; USGS MAP I-762 (1=48000)

Identification

Deposit ID10109886

MRDS IDM899906

Alternate namesMarche Mine

RegionNA

Data scoreB

Coordinates31.38875, -110.75595