 | | Journal (article/letter/editorial) | | [University of Connecticut] at 20:42 14 January 2015 South Dakota is perhaps best known for its pegmatites, which...Hills are responsible for the accessibility of South Dakota’s itbundant and diverse mineral locations...secondary phosphate minerals. Although some pegmatite mining for feldspar still continues (Jacobson 1994). the...except for the Homestake mine, which has operated for more than 120 years, most mining in the area peaked in...and fewer chances to obtain any. However, some mining, mineral exploration, and mineral collecting continues |  | | Journal (article/letter/editorial) | | Hills of South Dakota THOMAS J . C A M P B E L L and WILLARD L . ROBERTS Museum of Geology South Dakota...Dakota School of Mines and Technology Rapid City, South Dakota 57701 more comprehensive description of the...occurrences as the Black Hills area of western South Dakota. These occurrences are quite diverse, ranging...of the CusterKeystone area, to the Homestake gold mine in Lead, to golden barite-bearing concretions east...the recently added South Dakota room in the Museum of Geology at the South Dakota School of Mines and |  | | Report (issue) | | STATE OF SOUTH DAKOTA Nils Boe, Governor MINERALOGY OF THE BLACK HILLS by WILLARD LINCOLN ROBERTS...Associate in Mineralogy Museum of Geology, South Dakota School of Mines and Technology and GEORGE RAPP...Department of Geology and Geological Engineering, South Dakota School of Mines and Technology With the Editorial...Mineralogy South Dakota School of Mines and Technology BULLETIN NUMBER 18 of the South Dakota School of...of Mines and Technology Rapid City, South Dakota PUBLICATIONS STAFF F. L. Partlo J. T. Thomas President |  | | Report (issue) | | Some Pegmatites in the Southern Black Hills South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-E ...Some Pegmatites in the Southern Black Hills South Dakota By JAMES J. NORTON and others PEGMATITES AND...feldspar mine____________________________ Buster Dike mica mine_____________________________. Dan Patch feldspar..._________________________ Diamond Mica prospect.____________________________ Etta spodumene mine.______________________________...303 305 305 307 310 312 314 315 Etta spodumene mine Continued Mineral deposits____--__--------------_-_------Eureka |  | | Report (issue) | | Geology of the Hugo Pegmatite Keystone, South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-B Geology... Geology of the Hugo Pegmatite Keystone, South Dakota By J. J. NORTON, L. R. PAGE, and D. A. BROBST PEGMATITES...ia mica pegmatite. ________________________________________ Cleavelandite-microcline-lithia mica replacement...replacement Cleavelandite-quartz-lithia mica replacement unit _ Page 49 49 52 52 53 53 53 56 57 63 71...Potash feldspar_______________--_____--_----_Scrap mica and beryl__________________________ Lithium minerals |  | | Catalog/List | | Andradite, no bruising; 4x2.5x2-$6.50 MS62.Mirac/e Mt. Mine, Vo/cano, Ca/ifomia; (a) dark reddish brown xls...base of specimen; 4.8x4.2x3-$5.00 M563. Ye//ow Cat Mine, San Benito Co., Califomia; var. topazolite: (a)...mm: 3.8x2.5x2.5-Sl6.25 M595. Bu"a Copper Mine, Bu"a, South Australia, Australia; (a) M/M potential; 20...average 1 cm- $3.50 BREWSTERITE; M541. Whitesmith Mine,Strontian, Argvl(shia:, Scotlqnd; (a) good MIM,...• ' ,. ?i-l"t )1 r!') CERUSSITE;M584.Bunker Hil/ Mine! _Ketl~g&1{~ap~~ ~.w~~~lial1~Yi~~arent twinned xls |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted |
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