 | | Journal (article/letter/editorial) | | Figure 1: View of the Crystal Mountain district, looking west. Crystal Mountain is in the center background...from the Pegmatites of the Crystal Mountain District LARIMER COUNTY, COLORADO MARK I. JACOBSON 1350 E .... Easter Avenue Littleton, Colorado 80122 B L U E A P A T I T E C R Y S T A L S , purpurite, chrysoberyl...collected in the Crystal Mountain district. This is one of the few pegmatite districts in Colorado where nei...wishing to make significant con tributions to pegmatite mineralogy and geology. One pur pose of this |  | Roda-Robles, Encarnación, Pesquera, Alfonso, García De Madinabeitia, Sonia, Gil Ibarguchi, José-Ignacio, Nizamoff, Jim, Simmons, William, Falster, Alexander, Galliski, Miguel Angel (2014) ON THE GEOCHEMICAL CHARACTER OF PRIMARY Fe-Mn PHOSPHATES BELONGING TO THE TRIPHYLITE-LITHIOPHILITE, GRAFTONITE-BEUSITE, AND TRIPLITE-ZWIESELITE SERIES: FIRST RESULTS AND IMPLICATIONS FOR PEGMATITE PETROGENESIS. The Canadian Mineralogist, 52 (2) 321-335 doi:10.3749/canmin.52.2.321 | Journal (article/letter/editorial) | | TRIPLITE-ZWIESELITE SERIES: FIRST RESULTS AND IMPLICATIONS FOR PEGMATITE PETROGENESIS Encarnación RODA-ROBLES and Alfonso...trace elements are not simply related to the pegmatite type, its paragenesis or its geological setting...particularly in the beryl-columbite-phosphate pegmatite subtype of Černý & Ercit (2005). They also occur...several pegmatites. We have also evaluated the crystal-chemical and geochemical factors which may control...from Argentina, Germany, Portugal, Spain, and the USA (Table 1). Nine of these pegmatites belong to the |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Journal (issue) | | . Ley The Sm okey Bear quartz claim s, Lincoln County, N ew M exico ...................................King COVER: BERYL (emerald) crystal, 4.4 cm, found in 1991 in the pegmatite deposit at Jos, Nigeria. William...years since I tried to find a pegmatite a “half-mile” from the Palermo mine, in New Hampshire. It was originally...removal or partial change of some reference points (mine dumps, for example), or all simple reference points...matter of public record and may be found in the county zoning offices. The accurate property boundaries |
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