Mine detail: Horseshoe - Comet Mine

Previously called ''

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Location

Lat / long:

44.32802, -103.63807

Resource(M)

Primary:	Silver, Sulfur-Pyrite
Secondary:	Lead, Gold
Tertiary:	Zinc, Copper
Ore:	Chalcopyrite, Galena, Gold, Pyrite, Silver, Sphalerite, Tetrahedrite
Orebody form:	IRREGULAR

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer

Geology

Associated rock:	Sills
Associated type:	Plutonic Rock
Alteration processes:	Less Oxidized Than Other Mines In The Area

References

MRDS	SD02079
DEP	10055516
Reference	{Deposit:: US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .}{Deposit:: SHAPIRO, LEWIS H., AND GRIES, JOHN P., 1970 , ORE DEPOSITS IN ROCKS OF PALEOZOIC AND TERTIARY AGE OF THE NORTHERN BLACK HILLS, SOUTH DAKOTA, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY.}
Reporter	Barari, Rachel A.