 | 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 (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,............................................. |  | | 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) | | Falster in recognition of his research on pegmatites and pegmatite minerals (e.g., columbite-group minerals...minerals [Falster, Simmons, and Webber 2001]), tourmaline-group minerals (Simmons et al. 2005), REE minerals...geochemistry of NYF-type pegmatites of the Wausau complex in Marathon County, Wisconsin (Falster, Buchholz...Simmons 2013), and the LCT-type pegmatites of Florence County, Wisconsin (Falster, Simmons, and Webber...been a coauthor on the descriptions of seven new pegmatite minerals: esperanzaite (Foord et al. 1999a), simmonsite |  | | Journal (article/letter/editorial) | | rapid emplacement and crystallization of granite pegmatites: resolving the paradox of large crystals in highly...2009 Ó Springer-Verlag 2009 Abstract Granite pegmatite sheets in the continental crust are characterized...large crystals. There has been a shift in viewing pegmatites as products of very slow cooling of granite melts...about the role of H2O in the petrogenesis of pegmatites. Based on data on nucleation of minerals and...essential component in the petrogenesis of granite pegmatites. H2O is key to reducing the viscosity of granite |  | | 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 |  | Kampf, A. R., Mills, S. J., Simmons, W. B., Nizamoff, J. W., Whitmore, R. W. (2012) Falsterite, Ca2MgMn2+2(Fe2+0.5Fe3+0.5)4Zn4(PO4)8(OH)4(H2O)14, a new secondary phosphate mineral from the Palermo No. 1 pegmatite, North Groton, New Hampshire. American Mineralogist, 97 (4) 496-502 doi:10.2138/am.2012.4008 | Journal (article/letter/editorial) | | secondary phosphate mineral from the Palermo No. 1 pegmatite, North Groton, New Hampshire Anthony R. Kampf...Department, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California...mineral from the Palermo No. 1 pegmatite in North Groton, Grafton County, New Hampshire, U.S.A., and also...also occurs at the Estes pegmatite quarry, Baldwin, Cumberland County, Maine, U.S.A. It formed as the...schoonerite, secondary phosphate, Palermo No. 1 pegmatite, New Hampshire, U.S.A. Introduction The new mineral |  | | Journal (article/letter/editorial) | | Norman, Oklahoma 73019 dlondon@ou.edu Reading P 2 Pegmatites: ART Downloaded by [University of California...California, San Diego] at 03:56 02 March 2016 What TOURMALINE Says T HIS IS THE SECOND OF SEVERAL ARTICLES...principal environment will be that of granitic pegmatites, from which many of the finest mineral specimens...in which they form. The series continues with tourmaline, the most common of the boron-rich minerals....(facing page). Species, varieties, and habits of tourmaline: (a) left: schorl, 20 cm, Minas Gerais, Brazil |  | | 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 |  | | Journal (article/letter/editorial) | | Michigan, plus a small portion of northeastern Wisconsin. This includes the famous Marquette and Eastern...range, home of the well-known Montreal mine in Wisconsin. (My collecting experience has not extended to...of the story, as they say, is history. Marquette County alone would eventually have 247 iron mines (Mulligan...identified only as to district or range (e.g., “Iron River” or “Marquette Range”); many were not labeled at...many years. Maquette County Marquette County is the easternmost Iron Country county and also the oldest |  | | 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 |  | Bradley, Dwight, Shea, Erin, Buchwaldt, Robert, Bowring, Sam, Benowitz, Jeff, O'Sullivan, Paul, McCauley, Andrew (2016) Geochronology and Tectonic Context of Lithium-Cesium-Tantalum Pegmatites In the Appalachians. The Canadian Mineralogist, 54 (4) 945-969 doi:10.3749/canmin.1600035 | Journal (article/letter/editorial) | | AND TECTONIC CONTEXT OF LITHIUM-CESIUM-TANTALUM PEGMATITES IN THE APPALACHIANS DWIGHT BRADLEY§,* U.S. Geological...99775 U.S.A. PAUL O’SULLIVAN GeoSep Services, 1521 Pine Cone Road, Moscow, Idaho 83843, U.S.A. ANDREW MCCAULEY...lum (LCT) and niobium-yttrium-fluorine (NYF) pegmatites occur at intervals along the Appalachian orogen...(LA-ICP-MS), and apatite fission track ages for 14 pegmatites. Based mostly on these new results, we recognize...recognize a minimum of four ages of LCT pegmatites in the Appalachians. From oldest to youngest, these are: |  | 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) | | Evolution and Li Mineralization of the No. 134 Pegmatite in the Jiajika Rare-Metal Deposit, Western Sichuan...Evolution and Li Mineralization of the No. 134 Pegmatite in the Jiajika Rare-Metal Deposit, Western Sichuan...deposit in Asia, and the No. 134 pegmatite dike is the largest lithium pegmatite under mining conditions in...textures and minerals in the Jiajika No. 134 pegmatite, two zones (the barren Zone I and the spodumene...evolution and the cooling path of the Jiajika No. 134 pegmatite. From the outer zone inwards, grain size gradually |  | Novák, Milan, Cempírek, Jan, Gadas, Petr, Škoda, Radek, Vašinová Galiová, Michaela, Pezzotta, Federico, Groat, Lee A. (2015) Boralsilite and Li, Be-bearing "Boron Mullite" Al8B2Si2O19, Breakdown products of spodumene from the Manjaka pegmatite, Sahatany valley, Madagascar. The Canadian Mineralogist, 53 (2) 357-374 doi:10.3749/canmin.1400092 | Journal (article/letter/editorial) | | BREAKDOWN PRODUCTS OF SPODUMENE FROM THE MANJAKA PEGMATITE, SAHATANY VALLEY, MADAGASCAR MILAN NOVÁK§ Department...elbaite-subtype Manjaka granitic pegmatite, Sahatany Valley, Madagascar. The pegmatite mineral assemblage is relatively...> Ap + several accessory B-rich phases). This pegmatite forms an E–W-trending elongated body emplaced...emplaced in an Mg-rich calc-silicate rock; the pegmatite exocontact locally contains thin reaction zones (Tur+Phl±Brl)...minor extent of exocontact reactions along the pegmatite, and secondary rhodochrosite, are responsible |  | | Journal (article/letter/editorial) | | magmatic to hydrothermal conditions in pegmatites from San Diego County, California Elizabeth M. Gammel1,*...in pegmatites and to ultimately understand why some pegmatites in the San Diego County pegmatite district...In this district, lithium-cesium-tantalum type pegmatites occur in the Mesozoic Peninsular Ranges Batholith...contain gem-quality, Li-bearing minerals. Two pegmatite suites were studied: the gem-bearing Himalaya...underscore highly undercooled crystallization of pegmatites. Pressure-corrected homogenization temperatures |  | | Journal (article/letter/editorial) | | isotopes in tourmaline as indicators of the crystallization process in the San Diego County pegmatites, California...California, USA Jennifer S. MALONEY1,4 , Peter I. NABELEK1, *, Mona-Liza C. SIRBESCU2 and Ralf HALAMA3,5...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 |  | | Journal (article/letter/editorial) | | these gem-quality tourmalines. The d11B values of tourmaline from Paraiba, Brazil, range from 42.4% to 32...32.9%, whereas the d11B values of Cu-bearing tourmaline from Nigeria and Mozambique range from 30.5% to...d7Li values of Paraiba tourmaline (+24.5% to +32.9%) and Cu-bearing tourmaline from Nigeria (+32.4% to...to +35.4%), and d7Li values of Cu-bearing tourmaline from Nigeria and Mozambique (+31.5% to +46.8%). Nevertheless...the global range of B isotopic composition for tourmaline by 12%. The corresponding large d7Li values are |  | | Journal (article/letter/editorial) | | minerals and cassiterite from the Black Mountain pegmatite, Maine MICHAEL A. WISE* and CATHLEEN D. BROWN...Smithsonian Institution, Washington, DC, 20560, USA *Corresponding author, e-mail: wisem@si.edu Abstract:...Ta-,Sn-oxide minerals from the Black Mountain pegmatite has revealed the presence of discrete crystals...fractionation as commonly observed in F-enriched granitic pegmatites. Micrograins of CGM typically show higher Ta/(Ta...Key-words: cassiterite, columbite-group minerals, pegmatite, Black Mountain, Maine. 1. Introduction and |  | | 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 (article/letter/editorial) | | phosphate mineralization in the Hagendorf-Pleystein pegmatite province H. G. DILL1,*, B. WEBER2, A. GERDES3...Silbergrube Aplite (SA) in the Hagendorf-Pleystein Pegmatite District, near Waidhaus, Germany, is a mildly...in containing only minor amounts of garnet and tourmaline. The aplitic metamorphic mobilizates and the...(stage I). The age of formation of the Hagendorf pegmatites seemingly post-dates the emplacement of the SA...operating feldspar mine in the Hagendorf-Pleystein Pegmatite Mining * E-mail: dill@bgr.de DOI: 10.1180/minmag |  | | Journal (article/letter/editorial) | | AN LCT-SUITE PEGMATITE WITH LATE-STAGE SODIUM ENRICHMENT, BRAZIL LAKE, YARMOUTH COUNTY, NOVA SCOTIA....Brazil Lake granitic pegmatite, a rare occurrence of an LCT-type (Li–Cs–Ta) pegmatite in the Meguma Terrane...Group. Previous mineralogical studies showed the pegmatite formed in two distinct stages, an early spodumene... muscovite, garnet, tourmaline) provide insight into the origin of the pegmatite-forming melt and its...metasedimentary source and suggest, instead, that the pegmatite-forming melt originated via partial melting of |  | Martins, T., Lima, A., Simmons, W. B., Falster, A. U., Noronha, F. (2011) GEOCHEMICAL FRACTIONATION OF Nb-Ta OXIDES IN Li-BEARING PEGMATITES FROM THE BARROSO-ALVAO PEGMATITE FIELD, NORTHERN PORTUGAL. The Canadian Mineralogist, 49 (3) 777-791 doi:10.3749/canmin.49.3.777 | Journal (article/letter/editorial) | | OF Nb–Ta OXIDES IN Li-BEARING PEGMATITES FROM THE BARROSO–ALVÃO PEGMATITE FIELD, NORTHERN PORTUGAL Tânia...University of New Orleans, New Orleans, Louisiana 70148, USA Fernando NORONHA Geology Centre, and Department...Portugal Abstract The Barroso–Alvão granitic pegmatite field, located in northern Portugal, is known...Li-bearing pegmatites, especially spodumene- and petalite-bearing bodies. Recent work on this pegmatite field...field characterized other types of pegmatites, and complex mineralization and mineral associations. Minerals |  | | Report (issue) | | extraLapis English No. 3: Tourmaline Publisher Lapis International, LLC; East Hampton, CT Concept &...International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint...Eberhard Equit, 1993 extraLapis English No. 3 Tourmaline A Gemstone Spectrum Contributions by Brian C...AND LAPIS INTERNATIONAL, USA Tourmaline ♦ History ♦ Mineralogy • Tourmaline - History in Brief .......Mineralogy of the Tourmaline Group . . . 10 Species by Species - The Minerals of the Tourmaline Group ..... |  | | Journal (article/letter/editorial) | | petrologic assessment of internal zonation in granitic pegmatites David London ConocoPhillips School of Geology...Geophysics, University of Oklahoma, Norman, OK 73019, USA a r t i c l e i n f o Article history: Received...Available online 1 November 2013 Keywords: Granitic pegmatite Internal zonation Fractional crystallization Constitutional...zonation within granitic pegmatites that are in use today. Zonation in pegmatites is manifested both in...is a conspicuous and distinctive attribute of pegmatites, there has been no thorough effort to explain |  | | 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 |
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Animikie Red Ace pegmatite, Pine River pegmatites, Fern, Florence County, Wisconsin, USA