 | | Journal (article/letter/editorial) | | as an essential element are found in granitic pegmatites and alkalic rocks or in hydrothermal deposits...geologic record: the oldest known is beryl in pegmatites associated with the Sinceni pluton, Swaziland...with highly fractionated rare-element granitic pegmatites and with skarns at Långban and similar deposits...Ma, which is largely attributable to granitic pegmatites (Appalachian Mountains, U.S.A., and Urals, Russia)...Mineral age, beryllium, mineral evolution, granitic pegmatites, peralkaline complexes, supercontinent cycle |  | | Journal (article/letter/editorial) | | 165 THE LATE-STAGE MINIFLOOD OF Ca IN GRANITIC PEGMATITES: AN OPEN-SYSTEM ACID-REFLUX MODEL INVOLVING PLAGIOCLASE...Abstract As Richard H. Jahns used to say, granitic pegmatites are prone to stew in their own juice. The early...country rock, mostly from the apical parts of zoned pegmatites. There, it interacts with plagioclase in any...envision a convecting fluid phase cycling around the pegmatite body, and a reaction path that brings the acidified...acidified fluid back into the heart of the pegmatite. There, it is aggressive toward the microcline perthite |  | | Journal (article/letter/editorial) | | Jeffrey Scovil photo. July/August: Calcite, Gallatin County, Mon tana. American Museum of Natural Histo ry...September/October: Chalcocite, Flambeau mine, Ladysmith, Rusk County, Wiscon sin. F. John Barlow specimen, Malcolm...November/December: Chalcocite, Bristol, Hartford County, Connecticut. Jim Minette specimen, Jeffrey Scovil...Springs, 154-70 Arsenopyrite, Connecticut, 128; Wisconsin, 338 Art, see Robinson, S. Ayers, J . M., see...Contributed Papers in Specimen Mineralogy Azurite, Wisconsin, 338 Babcock, L . E . , see Media Reviews Babingtonite |  | | Journal (article/letter/editorial) | | Sciences University of Wisconsin-River Falls 410 South Third Street River Falls, Wisconsin 54022 his is Wisconsin’s... breweries, bratwurst, and Packers football, Wisconsin also has a diverse geology and a history rich...forgotten, abandoned, and overgrown. In this respect, Wisconsin represents a frontier state for the mineral collector...quarry in Racine (Scovil 1994), the pegmatites of Florence County (Koehier 1989) and the Wausau area (Falster...summarizes and highlights what has been found in Wisconsin in the past 150 years and points the way to new |  | | Journal (article/letter/editorial) | | Scandium-bearing minerals from the Heftetjern-pegmatite, Tørdal, south Norway Roy Kristiansen At the...type locality at Heftet jern in Tørdal, in the county of Telemark, Norway. New data of Scandium-minerals...the mineral is reported mostly from granitic pegmatites, but also from carbonatites, greenstone, volcaniclastic...grey Sc-AI-silicate from the Animikie Red Ace pegmatite in Wisconsin,USA, by Falster et al. (1996); 3)...complete description of the mineralogy of the pegmatite is not provided except for an updated list of |  | | Journal (issue) | | Norway 8th International Symposium on Granitic Pegmatites Pre-conference excursion Tysfjord-Hamarøy PEG2017...PEG2017 8th International Symposium on Granitic Pegmatites Pre-conference excursion - Tysfjord-Hamarøy...in southwestern Fennoscandia: Backdrop to the pegmatite fields of southern Norway……………………………………………………………………………………...REE) concentration in rare-element granites and pegmatites from Russia………………………………………………………………..4 BARROS...MENUGE, J.F., ZACK, T. Rb-Sr studies of spodumene pegmatites and associated rocks in Leinster, Ireland…………………8 |  | | Book | | the origin of secondary phosphates in granitic pegmatites during the oxidation of primary phosphates);...magmatic or hydrothermal origins of elbaite in the pegmatite cavities; the metamorphic or hydrothermal origins...secondary origins of some phosphates in granitic pegmatites etc. With the localities for individual minerals...light pink to copper-red, it darkens and covers green to black in air; S - red; L - metallic; D opaque;...copper are in the Keweenaw Peninsular, Lake Superior, USA, the largest being I 5 x 7 x 3m (approx. 50 x 23 |  | | Book | | the origin of secondary phosphates in granitic pegmatites during the oxidation of primary phosphates);...magmatic or hydrothermal origins of elbaite in the pegmatite cavities; the mctamorphic or hydrothermal origins...secondary origins of some phosphates in granitic pegmatites etc. The origin of individual minerals is described...rocks, including granitic and alkaline syenite pegmatites and With the localities for individual minerals...light pink to copper-red, it darkens and covers green to black in air; S - red; L - metallic; D opaque; |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Montrevel-en-Bresse, Ain, France. F. John Barlow: Appleton, Wisconsin. Peter Bayliss: Mineralogy, Australian Museum...accordance with whether the indices are greater for red or violet light, but the notation — may also refer...Granite pegmatites, including their oxidized and/or hydrothermally altered phases Syenitic pegmatites Massive...SC SD TN TX UT VT VA Washington West Virginia Wisconsin Wyoming WA WV WI WY Provinces, Canada AB Alberta...Mineralogist ISM V. C. Farmer, ed. The Intfra-red Specira of Minerals, Monograph 4, Mineralogical Society |
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