 | | Journal (issue) | | Finger) and LKA Emeralds, Hiddenite, Alexander County, NC Go On Public Exhibit in New York City. Emeralds.................................... 2 Himalaya pegmatite,.................................................................................. 2 Unnamed pegmatite occurrence, Volcan Mountains ........................................... 3 Brown Derby no. 1 pegmatite ............................................................................... 3 Ridgefield pegmatite,............................................. |  | Sirbescu, M.-L. C., Leatherman, M. A., Student, J. J., Beehr, A. R. (2009) APATITE TEXTURES AND COMPOSITIONS AS RECORDS OF CRYSTALLIZATION PROCESSES IN THE ANIMIKIE RED ACE PEGMATITE DIKE, WISCONSIN, USA. The Canadian Mineralogist, 47 (4) 725-743 doi:10.3749/canmin.47.4.725 | Journal (article/letter/editorial) | | CRYSTALLIZATION PROCESSES IN THE ANIMIKIE RED ACE PEGMATITE DIKE, WISCONSIN, USA Mona-Liza C. SIRBESCU§, Mark...314 Brooks Hall, Mount Pleasant, Michigan 48859, USA Alison R. BEEHR Department of Earth and Planetary...63130-4862, USA Abstract Unidirectional and skeletal textures in the thin inward-crystallizing Animikie Red...Red Ace (ARA) pegmatite dike, in northeastern Wisconsin, suggest rapid, disequilibrium crystallization of...of the outer zones as the pegmatite-forming magma came in contact with much cooler country-rocks. The |  | | Journal (article/letter/editorial) | | crystallization of the Animikie Red Ace Pegmatite, Florence county, northeastern Wisconsin: inclusion microthermometry...evaluated the crystallization regime of a zoned pegmatite dike and the degree of magma undercooling at the...assemblages. The liquidus temperature of the pegmatite magma was *720°C, based on re-melting of crystallized-melt...exsolved from hotter, still crystallizing inner pegmatite units. The huge temperature contrast between the...inclusion assemblages Microthermometry LCT pegmatite Numerical simulation Undercooling Communicated |  | | Journal (article/letter/editorial) | | DISTRIBUTION IN COLUMBITE-TANTALITE FROM THE MOREFIELD PEGMATITE, AMELIA, VIRGINIA. J. M Ayer.s and L. E. Kearns...Columbite-tantalite crystals from the Morefield pegmatite in Amelia County, Virginia, were analyzed for Ta, Nb,...from fifty-seven sites along the 65.9 meters of pegmatite exposed at the 6O-foot mine level. The analyses...ratios show no trends along the length of the pegmatite, but the samples tend to be more Ta-rich near...NIOBIUM-TANTALUM MINERALS FROM THE ANIMIKIE RED ACE PEGMATITE, FLORENCE COUNTY, WISCONSIN. A. U. Foister, W. B. Simmons |  | | Journal (article/letter/editorial) | | Norman, Oklahoma 73019 dlondon@ou.edu Reading P 2 Pegmatites: ART Downloaded by [University of California...principal environment will be that of granitic pegmatites, from which many of the finest mineral specimens...mine, Ramona, San Diego County, California. Varieties of elbaite: (c) rubellite, 10 cm, Himalaya mine,...indicolite over rubellite, 4 cm, Tourmaline Queen mine (1972), Pala district, San Diego County, California...almost exclusively in association with granitic pegmatites (see London 2008, 2015a), tourmaline is a common |  | | 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) | | Pagmatites: the State of the Art”, Porto, May 2007 Pegmatite genesis: state of the art Wm. B. “Skip” SIMMONS*...University of New Orleans, New Orleans, LA 70148, USA *Corresponding author, e-mail: wsimmons@uno.edu ...Abstract: No one universally accepted model of pegmatite genesis has yet emerged that satisfactorily explains...explains all the diverse features of granitic pegmatites. Genesis from residual melts derived from the...concepts have shed light on problems related to pegmatite genesis. Cooling rates calculated from thermal |  | | Report (issue) | | International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint...CHRISTIAN WEISE VERLAG, GERMANY AND LAPIS INTERNATIONAL, USA Tourmaline ♦ History ♦ Mineralogy • Tourmaline...is adorned at its center with a large, polished, red tourmaline. The crown is housed at the Hradschin...Tourmaline . . ......... 68 Maximilian Glas • Pegmatites - An Overview .............70 William B. Simmons...pearls. The large (39.5 x 36.5 x 14 mm), bright red stone in the center of the front of the crown was |  | | Book | | ROCKHOUNDING Wisconsin A Guide to the State’s Best Sites ROBERT BEARD To the memory of my grandmother...rockhound that I ever knew, and she loved northern Wisconsin and geology. She would have been thrilled to...Beard, Robert D., author. Title: Rockhounding Wisconsin : a guide to the state’s best sites / Robert Beard...and preservation—Wisconsin—Guidebooks. | Minerals—Collection and preservation—Wisconsin—Guidebooks. Classification:...��������������������������������4 Geology of Wisconsin��������������������������������������������� |  | | 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 |  | Černý, P., Teertstra, D. K., Chapman, R., Selway, J. B., Hawthorne, F. C., Ferreira, K., Chackowsky, L. E., Wang, X.-J., Meintzer, R. E. (2012) Extreme fractionation and deformation of the leucogranite-pegmatite suite at Red Cross Lake, Manitoba, Canada. IV. Mineralogy. The Canadian Mineralogist, 50 (6) 1839-1875 doi:10.3749/canmin.50.6.1839 | Journal (article/letter/editorial) | | FRACTIONATION AND DEFORMATION OF THE LEUCOGRANITE – PEGMATITE SUITE AT RED CROSS LAKE, MANITOBA, CANADA. IV. MINERALOGY...pegmatitic leucogranites and pegmatites populate the Red Cross Lake pegmatite field, located in a greenstone...Canadian Shield. Most of the leucogranites and pegmatites are geochemically rather primitive, but one of...lithiumenriched, and the most evolved lepidolite-rich pegmatites represent the most fractionated products of granitic...differentiation known to date. The lepidolite pegmatites consist mainly of albite, quartz and muscovite |  | | 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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Animikie Red Ace pegmatite, Pine River pegmatites, Fern, Florence County, Wisconsin, USA