 | | 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...Exploration techniques....__________________________ Barker-Ferguson beryl mine________________________ Big Chief...prospect.____________________________ Etta spodumene mine.______________________________ Geology-___ . __...303 305 305 307 310 312 314 315 Etta spodumene mine Continued Mineral deposits____--__--------------_-_------Eureka |  | | Journal (article/letter/editorial) | | muscovite in pegmatite wall zones, Black Hills, South Dakota, USA B.L. JOLLIFF,'J.J.PAPIKE,* andC.K. SHEARER'...Washington University, St. Louis, MO 63 130499, USA *Institute of Meteoritics, Department of Geology...University of New Mexico, Albuquerque, NM 87 13l- 1126, USA (Received January 6, 1992; accepted in revised form...character and degree of compositional evolution in the Keystone area of the Black Hills. Whole-rock compositions...provided a model for the PEGMATITE FIELD OF the Keystone area, along the northeastern flank of the Harney |  | | Journal (article/letter/editorial) | | dates in the 1780–1700 Ma Black Hills Orogen, South Dakota, U.S.A. Peter S. Dahl1,* and Kenneth A. Foland2...crystalline core of the southern Black Hills, South Dakota, exposes an extensive, low-P–high-T aureole...low-P–high-T terrane located in the Black Hills, South Dakota (see Fig. 1). Parallel work has constrained...v v v Nemo BT v v v BT v v v v v KEYSTONE v HPG v v v v v v v v v v v v v ...cooled terranes (Limpopo belt, Zimbabwe; Bamble district, Norway; and Adirondack Lowlands, New York), as |  | | Journal (issue) | | the Geology and Resources of the Black Hills of Dakota with Atlas, Washington. 1879-1880, quarto, pp....used on one other report. where the birds denoted mine villages in a region of Mexico. It predates the...Preliminary Report of Ex plorations in Nebraska and Dakota. in the Years 1855-56-57. Washington. I 875. OcÂ...Black Hills, and adjacent pans of the Nebraska and Dakota regions was originally as an appendix to the Humphrey...topographic and geographic features from Kansas in the south to the Canadian border on the north. The map extends |
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