Location: | Custer County, South Dakota, United States, North America |
Lat / long: | 43.69302, -103.60917 |
dep_id: | 10012455 |
mrds_id: | D008095 |
Commodity type: | nonmetallic |
Major mineral: | Mica |
Operation type: | Unknown |
Production size: | Small ammount of material produced |
Development status: | Past Producer |
ore: | Mica |
gangue: | Oligoclase, Quartz, Sillimanite, Tourmaline |
orebody_fm: | LENTICULAR TO TABULAR |
work_type: | Surface/Underground |
ore_ctrl: | Muscovite Concentrations Are Near One Or Both Wallx |
Reporter: | Barari, Rachel A. |
hrock_type: | Quartzite,Mica Schist |
arock_type: | Gneiss,Pegmatite |
Year first produced: | 1943 |
yr_lst_prd: | 1944 |
disc_yr: | 1943 |
discr: | Louis Stratton And Francis Michaud |
References: |
- Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.
- Deposit:: USGS PP 247, P. 186-188.
- Deposit:: ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS: SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18.
- Production:: USGS PP 247, P. 186.
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