 | | Journal (article/letter/editorial) | | the Animikie Red Ace Pegmatite, Florence county, northeastern Wisconsin: inclusion microthermometry and...University, 314 Brooks Hall, Mount Pleasant, MI 48859, USA e-mail: sirbe1mc@cmich.edu Present Address: E. E...MI 49503, USA Disequilibrium crystallization Florence county pegmatite field Wisconsin Introduction... HIG AN WI GN MS WIS CON S IN Florence Florence County Pegmatite Field BG GT MR QF BL GN...Fig. 1 Geology of northeastern Wisconsin including the Florence county pegmatite field (after Sims et |  | 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) | | PROCESSES IN THE ANIMIKIE RED ACE PEGMATITE DIKE, WISCONSIN, USA Mona-Liza C. SIRBESCU§, Mark A. LEATHERMAN¶...314 Brooks Hall, Mount Pleasant, Michigan 48859, USA Alison R. BEEHR Department of Earth and Planetary...Brookings Drive, Saint Louis, Missouri 63130-4862, USA Abstract Unidirectional and skeletal textures in...Red Ace (ARA) pegmatite dike, in northeastern Wisconsin, suggest rapid, disequilibrium crystallization...layers, cathodoluminescence, Animikie Red Ace, Wisconsin. Sommaire Les textures unidirectionnelles et |  | | Report (issue) | | in the Wisconsin magmatic terrane by Gene L. LaBerge Geology Department, University of Wisconsin, Oshkosh................. Chippewa County Index Map ................... Chippewa County Core Descriptions .................. Clark County Index Map. .................... Clark County Core Descriptions. ................... Dunn County Core Descriptions ................. Florence County Index Map ................... Florence...Descriptions ............... Forest County Index Map .................... Forest County Core Descriptions ...... |  | | Journal (article/letter/editorial) | | Sciences, University of Missouri, Columbia, MO 65211, USA e-mail: nabelekp@missouri.edu M.-L. C. Sirbescu Department...University, 314 Brooks Hall, Mount Pleasant, MI 48859, USA Keywords Granite Pegmatite H2O Undercooling...plutons. For example, in the San Diego County of California, USA, Li–Cs–Ta-type (LCT) pegmatites occur...pegmatites. In the Black Hills of South Dakota, USA, granite pegmatites occur as sheets within schists...only in some pegmatite districts, as in San Diego County, where sheets have intruded impermeable granitic |  | | Journal (article/letter/editorial) | | University of New Orleans, New Orleans, LA 70148, USA *Corresponding author, e-mail: wsimmons@uno.edu ...fractionation trends of Nb, Ta and other HFSE and K, Rb, Cs, Li, Ga and Tl are now well understood. How...Breaks et al., 2005). The fractionation patterns of K, Rb, Cs, Li, Ga and Tl in feldspars, micas, beryl...in the pockets in San Diego County, California pegmatites. Two-feldspar thermometry using reintegrated...temperatures of 550–500 â—¦ C (Simmons et al., 1987). Two-feldspar thermometry of feldspars showing no evidence of |  | | Journal (article/letter/editorial) | | are Narich plagioclase, petalite, and quartz. K-feldspar, muscovite, montebrasite, apatite, tourmaline...banding and mainly consist of Na-rich plagioclase, K-feldspar, quartz, and muscovite. Other mineral phases...altered. It is easily misidentified as albite or K-feldspar. It exhibits euhedral to subhedral form and perfect...pegmatitic part is as follows: euhedral to subhedral K-feldspar and albite crystals, subhedral to anhedral crystalline...ROSSMANITE AND ASSOCIATED MINERALS FROM NEWCOMB, ESSEX COUNTY, NEW YORK. M. Lupulescu1 and J. Rakovan2. 1New |  | | Journal (article/letter/editorial) | | catalyst in transforming the early-formed disordered K-feldspar to microcline below 450°C. As it becomes progressively...granitic pegmatites that contain exclusively a K-rich feldspar other than microcline are exceedingly rare...subsolidus phase), and the conversion of a disordered K-feldspar to microcline is a very sluggish, H-catalyzed...“Quartz is partially replaced by cleavelandite, and K-feldspar and elbaite, by muscovite and lepidolite, as...anorthite, showing the location of the ternary feldspar solvus at three temperatures, and of the cotectic |  | | Journal (article/letter/editorial) | | is overprinted by an epithermal phosphate system. K EY WORDS : aplite, Carboniferous, Li-Fe-Mn phosphate...material) aplite near Waidhaus is the last operating feldspar mine in the Hagendorf-Pleystein Pegmatite Mining...The Hagendorf pegmatite is one of the biggest feldspar-quartz pegmatite deposits in Europe, and has produced...Flossenbürg Granite Complex. pegmatite-based feldspar mine in Germany, operated between 1938 and 1958...industry. The raw material of 42% Na-feldspar, 38% quartz and 20% K-feldspar is used to produce floor and wall |  | | Journal (article/letter/editorial) | | for feldspar, muscovite, and biotite, K-Ar ages for hornblende, muscovite, biotite, and feldspar, and...than 2,700 m.y. (4) Biotite Rb-Sr and K-Ar ages and muscovite K-Ar ages were strongly modified by the...event in this interval has been observed. (5) The K-Ar system was further affected by a thermal rise at...as follows (lowest to highest): feldspar K-Ar, biotite K-Ar, muscovite K-Ar, biotite Rb-Sr, zircon U239-Pb2°8...zircon U235-Pb207, muscovite Rb-Sr, feldspar Rb-Sr. The few hornblende K-Ar measurements indicate that the |  | | 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 Âgeology. 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 (article/letter/editorial) | | Ledge dike, Little Three mine, Ramona, San Diego County, California. Varieties of elbaite: (c) rubellite...Tourmaline Queen mine (1972), Pala district, San Diego County, California, Jesse Fisher and Joan Kureczka specimen...occurs among muscovite, albite (Na-plagioclase feldspar), quartz, and the minute portion of H2O that is...Austell; (c) tourmaline-quartz clots in megacrystic K-feldspar biotite granite, Sennen Cove; (d) an outcrop...composition (in which quartz, sodic plagioclase, and K-feldspar in nearly equal proportions make up more than |  | | Report (issue) | | Superior region, and its tectonic environment . P. K. Sims and Z. E. Peterman 3 Tectono-sedimentary history...Tectonostratigraphic terranes near the purported collision zone D. K. Larue 33 . Tidal deposits in the early Proterozoic...Jeffrey K. Greenberg and Bruce A. Brown Early Proterozoic tectonic style in centra! Wisconsin . R. S.... granites, and related rocks of southcentral Wisconsin, U.S.A. Eugene I. Smith The Proterozoic red quartzite...Proterozoic Symposium was held at the University of Wisconsin, Madison, on May 18-21, 1981, to dedicate the |  | Dill, H. G., Melcher, F., Gerdes, A., Weber, B. (2008) THE ORIGIN AND ZONING OF HYPOGENE AND SUPERGENE Fe-Mn-Mg-Sc-U-REE PHOSPHATE MINERALIZATION FROM THE NEWLY DISCOVERED TRUTZHOFMUHLE APLITE, HAGENDORF PEGMATITE PROVINCE, GERMANY. The Canadian Mineralogist, 46 (5) 1131-1157 doi:10.3749/canmin.46.5.1131 | Journal (article/letter/editorial) | | characterized by triplite, wolfeite, triploidite, an unnamed K–Ba–Sc–Zr phosphate, an unnamed Zr–Sc phosphate–silicate...triplite, wolfeïte, triploïdite, un phosphate de K–Ba–Sc–Zr sans nom, un phosphate–silicate de Zr–Sc...biotite, sillimanite, cordierite, quartz, garnet and feldspar (Forster 1965) (Figs. 1a, b). Structural adjustments...method at 311.9 ± 2.7 Ma (Wendt et al. 1994). The K–Ar ages of muscovite and biotite, 300 and 292 Ma,...(schorl–dravite) in a matrix of albite–oligoclase (K-feldspar, quartz and muscovite (Table 1). Dodecahedra |  | Wang, Zhen, Li, Jiankang, Chen, Zhenyu, Yan, Qinggao, Xiong, Xin, Li, Peng, Deng, Jingyi (2021) Evolution and Li Mineralization of the No. 134 Pegmatite in the Jiajika Rare-Metal Deposit, Western Sichuan, China: Constrains from Critical Minerals. Minerals, 12 (1) 45 doi:10.3390/min12010045 | Journal (article/letter/editorial) | | important textural zone, as it constitutes the bulk + K-feldspar 2 30 10 of the pegmatite dike, as well as making...subhedral muscovite (10–20%), beryl (~5%) and K-feldspar (<2%) (Figure 3a). Beryl lithiophilite + + (<100...++ + saccharoidal along the fractures in the rock. K-feldspars are relatively rare and occur as remnant...+ ++ + K-feldspar 10 230 30 K-feldspar 10 +10+10 2 223022 230 30 K-feldspar 30 10 K-feldspar 10 K-feldspar...K-feldspar 10 K-feldspar K-feldspar 2 K-feldspar 10 K-feldspar K-feldspar 22 230 30 K-feldspar 210 3010 10of |  | | Journal (article/letter/editorial) | | University of Maryland, College Park, MD 20742, USA Department of Mineralogy and Petrology, Campus Fuentenueva...Geophysics, Yale University, New Haven, CT 06511, USA. Tel.: + 1 240 413 4788. E-mail address: lin.qiu@yale...depletion of Li and other fluid-mobile elements (e.g., K, Rb, Sr, and Cs) has been used to mark the transition...leucosomes are composed of quartz + plagioclase+K-feldspar±garnet. The modal mineralogy, based on point...25.6 Garnet 0.0 Sillimanite 10.8 Quartz 49.5 K-feldspar 1.3 Plagioclase 9.0 Apatite 0.31 Monazite 0.037 |  | | Journal (article/letter/editorial) | | crystallization process in the San Diego County pegmatites, California, USA Jennifer S. MALONEY1,4 , Peter I...Sciences, University of Missouri, Columbia, MO 65211, USA *Corresponding author, e-mail: nabelekp@missouri...MI 48859, USA 3 Department of Geology, University of Maryland, College Park, MD 20742, USA 4 Current... 363 N. Sam Houston Parkway, Houston, TX 77060, USA 5 Current address: Institut für Geowissenschaften...lum-type pegmatite dikes of San Diego County, California, USA, tourmaline is the main reservoir for Li |  | Li, Jie, Huang, Xiao-Long, Wei, Gang-Jian, Liu, Ying, Ma, Jin-Long, Han, Li, He, Peng-Li (2018) Lithium isotope fractionation during magmatic differentiation and hydrothermal processes in rare-metal granites. Geochimica et Cosmochimica Acta, 240. 64-79 doi:10.1016/j.gca.2018.08.021 | Journal (article/letter/editorial) | | quartz. Feldspars (including plagioclase and K-feldspar) also have overall low Li concentrations (13...and the partition coefficient for Li between the feldspar and felsic melt covers a wide range of 0.09–0...Cañada Pinabete plutons in northern New Mexico (USA). Geochimica et Cosmochimica Acta 67, 97–121. Bai...Geochimica et Cosmochimica Acta 62, 3337–3347. Breiter, K., Ackerman, L., Svojtka, M., Müller, A., 2013. Behavior...Research 28, 161–172. Jochum, K.P., Nohl, U., Herwig, K., Lammel, E., Stoll, B., Hofmann, A.W., 2005. GeoReM: |  | | Journal (issue) | | Complex, Wausau Syenite Compley, Marathon County, Wisconsin, USA……………………………………………..21 DOLGOPOLOVA, A.,...Emmons pegmatite, Greenwood, Oxford Co., Maine, USA: implication for the origin of this unusual para...evolution of the Emmons rare-element pegmatite (Maine, USA)…………………………………………37 GUASTONI, A., GENTILE, P., NESTOLA... THOMAS, R., BOIRON, MC., DEWAELE, S., PLESSENS, K., MUCHEZ, P. The petrogenetic significance of melt...MÃœLLER, A., SZUSZKIEWICZ, A., ILNICKI, S., NEJBERT, K. Quartz chemistry of the Julianna pegmatites and their |  | | Journal (article/letter/editorial) | | Geophysics, University of Oklahoma, Norman, OK 73019, USA a r t i c l e i n f o Article history: Received...temperatures of pegmatite-forming melts . . . . 3.3.1. Feldspar solvus thermometry . . . . . . . . . . . . . 3...elongation, the grain size of the graphic quartz–K-feldspar intergrowth coarsens upward. Light blue bands...a-axis direction shows the growth of the quartz–feldspar intergrowth in relation to Manebach twin planes...Swamp dike, Little Three mine, Ramona, California (USA). Pegmatites share textural features in common with |  | | Journal (article/letter/editorial) | | LATE-STAGE SODIUM ENRICHMENT, BRAZIL LAKE, YARMOUTH COUNTY, NOVA SCOTIA. II. IMPLICATIONS OF STABLE ISOTOPES...in two distinct stages, an early spodumene – K-feldspar – quartz ± muscovite stage that was followed...secondary muscovite grew at the expense of earlier K-feldspar. The economically important oxide phases (Ta–Nb)...(d18O, D) values for silicate phases (quartz, K-feldspar, spodumene, albite, muscovite, garnet, tourmaline)...assemblage (Stage I) dominated by spodumene – K-feldspar – quartz ± muscovite, which was in part overprinted |  | | 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...University. All rights re served. Photo by William K. Sacco 4 By 1717 gem tourmaline was being referred...University. All rights reserved. Photography by William K. Sacco 5 For about fifty years, tourma line was...the north side of the Himalaya Mine in San Diego County, CA. D. Sterrett photo provided by Jesse Fisher |  | Morrissey, L. J., Hand, M., Raimondo, T., Kelsey, D. E. (2014) Long-lived high-T, low-Pgranulite facies metamorphism in the Arunta Region, central Australia. Journal of Metamorphic Geology, 32 (1) 25-47 doi:10.1111/jmg.12056 | Journal (article/letter/editorial) | | cordierite, garnet, quartz, plagioclase, biotite, K-feldspar and fine- to very-fine grained magnetite, ilmenite...abundant, finer-grained magnetite, ilmenite and K-feldspar (Fig. 5c). Orthopyroxene commonly either mantles...biotite + magnetite + ilmenite + silicate melt + K-feldspar. Within the segregations that are comparatively...garnet, cordierite, biotite, quartz and minor K-feldspar and plagioclase. Garnet grains are porphyroblastic...Boothby-09-2A Sample Boothby-09-2A comprises garnet, K-feldspar, biotite, cordierite, quartz, plagioclase and |  | | Journal (article/letter/editorial) | | other elements into the system, and increased fO2. K EY WORDS : Peraluminous granite, pegmatites, FeMn...barite for Ba; ZnS for Zn; AsGa for As; orthoclase for K; apatite for P and Ca, and celestine for S. The initial...mineralogical composition, primarily quartz, K-feldspar and white mica, with accessory albite and tourmaline...homogeneous and unzoned, mainly consisting of quartz, K-feldspar, albite and muscovite, with variable but minor...progressive decrease in the amount of biotite and K-feldspar, and an increase in muscovite, albite and tourmaline |  | | Journal (article/letter/editorial) | | that Maneta and Baker (2014) AN produced quartz-feldspar graphic intergrowths (textures that are characteristic...assemblage of beryl, quartz, K-feldspar, muscovite, and albite, to a quartz + K-feldspar core. Layers of fine-grained...the aplite AN (cf. Mulja et al., 1995a). The K-feldspar crystals are commonly perthitic, and some larger...(a low temperature variety of albite), quartz, K-feldspar and 7 ACCEPTED MANUSCRIPT spodumene, and...spodumene, and 30‒50% each of quartz and feldspar (albite and CE K-feldspar). Some albite crystals have overgrowths |  | | Journal (article/letter/editorial) | | pegmatite field NU Black Hills, South Dakota, USA, which makes it difficult to establish pegmatite...Li-rich pegmatite dikes from the Florence County Pegmatite Field (Wisconsin, USA). Nevertheless, this diffusional...the less evolved pegmatite (characterized by high K/Rb and Li/Cs and low Nb/Ta ratios) while, on the other...(more advanced magmatic fractionation marked by low K/Rb and Li/Cs ratios). However, this study T addressed...P Ercit, 2005) whereas simple Li-poor quartz-feldspar-muscovite pegmatites are more common at this scale |
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