 | | Journal (article/letter/editorial) | | columbite group minerals from Archean Li-Cs-Ta type pegmatites of Western Australia Lillian A. Kendall-Langley...columbite group minerals from Archean Li-CsTa type pegmatites of Western Australia, LITHOS, https://doi.org/10...Published by Elsevier B.V. Lithium-Cesium-Tantalum pegmatites represent a valuable global source of rare metals...presents new geochronological data from Li-Cs-Ta pegmatites across Western Australia, that vary in age, host...isotopic data collected from the Li-Cs-Ta type pegmatites are interpreted within the existing magmatic |  | | Journal (article/letter/editorial) | | in the center background. Minerals from the Pegmatites of the Crystal Mountain District LARIMER COUNTY...districts in Colorado where nei ther all the pegmatites have been studied nor all the 230 ROCKS AND...MINERALS minerals described. It is therefore an ideal area for amateur mineralogists wishing to make significant...Front Range of Colorado. Most of the district's pegmatites are found north of Drake in the Big Thomp son...son Canyon and south of Buckhorn Creek. This area can be located on the Crystal Mountain, Buckhorn Mountain |  | | Journal (issue) | | December 1997 REGIONAL GEOLOGY The Coolgardie area is in the eastern part o f the Yilgarn craton where...trend north-east to south-west in the Coolgardie area. The granitoid rocks can be physica lly subdivided...last period of igneous activity in the Coolgardie area. Thickness 1ra1ii;rJpbic names and rocks Kurrawang...the Coolgard ie pegmatite field. Most of the pegmatites discussed in this report a re inter nally zoned;...teardrop-shaped pegmatites or layers parallel to the wall rock in sheet-like pegmatites. Cameron, et al |  | | Journal (article/letter/editorial) | | Robinson, National Museum of Natural Sciences (Canada). The accepted abstracts follow. T A B U L A R...Robinson of the National Museum of Natural Sciences of Canada for X-ray identification of the above species....exposed along the south shore of Oneida Lake. The mineralized area is north of State Rte. 31 between Bridgeport...across. Zircon also occurs in the massive zones of pegmatites and in miarolitic cavities throughout the Wausau...I n some quartz pods in the interior zones of pegmatites in the Stettin com plex, zircon occurs as very |  | | Report (issue) | | States of America PHOTO CREDITS Cover Apatite on muscovite, 6.4 cm tall Chumar Bakhoor, Hunza-Nagar, Gilgit-Baltistan...Renfrew, Ontario, Canada; 7. Canada; 8. South Burgess, Lanark Co., Ontario, Canada 10. Snarum, Norway;...Kragero, Norway; 12. Eganville, Renfrew Co., Ontario, Canada; 13. (Phosphorite) Staffel, Limburg, Hesse-Nassau...Thousand Pound Crystals and Eighty Carat Gemstones-Canada is BIG! BY KIMBERLY TAIT AND MICHAEL BAINBRIDGE...Calcite; Liscombe Property, Wilberforce, Ontario, Canada Vanadinite; Mibladen, Morocco Dave Bunk Minerals |  | | Report (issue) | | ____________ Harney Peak granite.__--__--_--____________ Pegmatites _ _____-_-__------__-____,____ Distribution ...sequence____-_--_--________-_____ Relation of pegmatites to the structure of the wall rocks__________________________...Spar No. 1 by J. W. Adams. ___. _______ 74 Blue Bonnet, Star, and Mica King No. 3 claims byJ. W.Adams...StollKnowles Lode claim._______________^____________ Lake mica prospect by W. C. Stoll and L. R. Page. _ Lofton...Mateen pegmatites, Hill City, Pennington County, South Dakota. Projections of Mateen pegmatites, Hill |  | | Report (issue) | | (Steatite) Paragonite Muscovite Phcngite 7 (Damouritc) (Sericite) (Chromium-bearing muscovite) (Pinite) (Ammonium-bearing...(Ammonium-bearing muscovite) Glauconite (Colcrainitc) Margarite Phlogopite Biotite Siderophyllite-annitc...monazite, montmorilganotantalite, lonitc, moonstone, muscovite, oJigocIasc, opal, orthitc orthoclase, phenakite...flmenite, magnetite, monazite, montmorillonite, muscovite, olivine, orthite, ottrelite, paragonite, perrierite...lithiophoritc, magnetite, microline, NH.,bcaring muscovite, paragonite, phlogopite, pscudomalachite, psilomelanc |  | | Book (edition) | | especially the central part of the state and the Denver area. Each locality has been visited and examined by... 291 Turquois Chief Mine Ruby Mountain Area Mount Antero Area Sedalia Copper Mine Turret District 9 ...Grove Camp Ground Teller Pegmatite Crystal Peak Area Petrified Forests Segment H - Salida to Canon City...350, U. S. 50 Van Bremmer Dike Colorado Springs Area Crystal Park St. Peters Dome District Segment J...Mountain Dike Augusta Mine The Gloryhole Boulder Area Oregon Mine Segment L - Denver to Wyoming Border |  | | Book (edition) | | especially the central part of the state and the Denver area. Each locality has been visited and examined by... 291 Turquois Chief Mine Ruby Mountain Area Mount Antero Area Sedalia Copper Mine Turret District 9...Grove Camp Ground Teller Pegmatite Crystal Peak Area Petrified Forests Segment H — Salida to Canon City...350, U. S. 50 Van Bremmer Dike Colorado Springs Area Crystal Park St. Peters Dome District Segment J...Augusta Mine The Gloryhole Evergreen Mine Boulder Area Oregon Mine Segment L — Denver to Wyoming Border |
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