Mine detail: Gilt Edge Mine

Previously called 'Dakota Maid Mine'

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Location

Lat / long:

45.33163, -103.67502

Resource(M)

Primary:	Gold, Silver
Secondary:	Copper

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer
First production started:	1900

Geology

Associated rock:	Rhyolite Dikes, Quartz Monzonite Laccolith
Associated type:	Quartz Monzonite,Rhyolite
Alteration processes:	The Rhyolite Dikes Are Extensively Altered And Mineralized. Pyrite Altered To Limonite Near The Surface.

References

MRDS	SD02028
DEP	10055475
Reference	{Deposit:: US GEOLOGICAL SURVEY, US BUREAU OF RECLAMATION, AND SOUTH DAKOTA GEOLOGICAL SURVEY, 1975 , MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16 .}{Deposit:: US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .}{Production:: US GEOLOGICAL SURVEY, US BUREAU OF RECLAMATION, AND SOUTH DAKOTA GEOLOGICAL SURVEY, 1975 , MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16 . { US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .}
Reporter	Barari, Rachel A.