Mine detail: Crown Mine

Previously called 'Mcmackin Mine'

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Location: Custer County, South Dakota, United States, North America
Lat / long: 43.79413, -103.64307
dep_id: 10055683
mrds_id: SD02298
Commodity type: metallic and nonmetallic
Major mineral: Mica, Beryllium
Trace mineral: Feldspar, Tantalum
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Beryl, Feldspar, Muscovite
gangue: Quartz, Siderite, Tourmaline, Triphylite
orebody_fm: DIKE
work_type: Surface/Underground
Reporter: Barari, Rachel A.
hrock_type: Pegmatite
arock_unit: Pegmatite
arock_type: Pegmatite
Structure: Anticlinal Fold That Strikes Northwest And Dips South
Year first produced: 1879
References:
  • 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
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