Mine detail: Crown Mine

Previously called 'Mcmackin Mine'

<< Back to the map

Location

Lat / long: 43.79413, -103.64307

Resource(B)

Primary: Mica, Beryllium
Tertiary: Feldspar, Tantalum
Ore: Beryl, Feldspar, Muscovite
Gangue: Quartz, Siderite, Tourmaline, Triphylite
Orebody form: DIKE

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1879

Geology

Host type:Pegmatite
Associated rock:Pegmatite
Associated type:Pegmatite
Structure:Anticlinal Fold That Strikes Northwest And Dips South

References

MRDSSD02298
DEP10055683
Reference{Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Deposit:: FISHER, D.J., 1945, PRELIMINARY REPORT ON SOME OF THE PEGMATITES NEAR CUSTER, SOUTH DAKOTA GEOLOGICAL SURVEY REPORT OF INVESTIGATIONS 50}{Deposit:: STERRET, D.B., 1923, MICA DEPOSITS OF THE UNITED STATES, U.S. GEOLOGICAL SURVEY BULLETIN 740}{Deposit:: U.S. GEOLOGICAL SURVEY, U.S. BUREAU OF RECLAMATION, AND SOUTH DAKOTA GEOLOGICAL SURVEY, 1975, MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16 / ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18}
ReporterBarari, Rachel A.