Mine detail: Marion Mine

Previously called 'Marion Mines Inc.'

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Location

Lat / long: 37.98562, -105.09166

Resource(M)

Primary: Silver, Lead, Copper, Zinc
Ore: Sphalerite, Chalcopyrite, Galena
Gangue: Gahnite, Cordierite, Garnet, Pyroxene
Other material: Amphibole

Production

Operation type: Underground
Development status: Past Producer

Geology

Host type:Amphibolite,Calc-Silicate Schist
Associated rock:San Isabel Granite
Associated type:Granite,Migmatite
Structure:NE-striking sulfide lenses
Alteration processes:calc-silicate host rocks within gneiss.

References

MRDSDC02534
MAS80270100
DEP10166864
Reference{Deposit:: VANDERWILT, J. W., 19478 MINERAL RESOURCES OF COLORADO: COLORADO MINERAL RESOURCES BOARD, P. 473.}{Deposit:: Sheridan, D.M., Raymond, W.H., Taylor, R.B., and Hasler, J.W., 1990, Metallogenic map of stratabound exhalative and related occurrences in Colorado: U.S. Geological Survey Miscellaneous Investigations Series Map I-1971, scale 1:1,000,000.}{Deposit:: Heinrich, E.W., 1981, Precambrian tungsten and copper-zinc skarn deposits of south-central Colorado: Colorado Geological survey Resource Series 21, 115 p.}{Deposit:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.}{Geology:: JOHNSON, R. B., 1969, GEOLOGIC MAP OF THE TRINIDAD QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-558, 1:250,000.}
ReporterKeller, John W., Intermountain Field Operations Center (IFOC)