 | Knoll, Tanja, Schuster, Ralf, Huet, Benjamin, Mali, Heinrich, Onuk, Peter, Horschinegg, Monika, Ertl, Andreas, Giester, Gerald (2018) Spodumene Pegmatites and Related Leucogranites from the AustroAlpine Unit (Eastern Alps, Central Europe): Field Relations, Petrography, Geochemistry, and Geochronology. The Canadian Mineralogist, 56 (4) 489-528 doi:10.3749/canmin.1700092 | Journal (article/letter/editorial) | | HUET Geological Survey of Austria, Neulinggasse 38, 1030 Vienna, Austria HEINRICH MALI AND PETER...Montanuniversität Leoben, Peter-Tunnerstraße 5, 8700 Leoben, Austria MONIKA HORSCHINEGG Department of Lithospheric...University of Vienna, Althanstraße 14, 1090 Vienna, Austria ANDREAS ERTL AND GERALD GIESTER Institut für...Vienna, Austria ABSTRACT In the Eastern Alps (Central Europe), about two dozen spodumene pegmatite bodies...pegmatites belong to the elbaite–schorl series, with an unusual but significant dravite component. The occurrence |  | | Journal (article/letter/editorial) | | Scandium-bearing minerals from the Heftetjern-pegmatite, Tørdal, south Norway Roy Kristiansen At the...in the world, with 8 different Scandium-minerals + an additional14 species with Sc-content > 0,5 % wt....nature, viz. thortveitite (Sc2Sb07), was marked by an International symposium on the Mineralogy and Geochemistry...described. In the last twenty years there has been an increasing interest world-wide in scandium minerals...application, like high-strength Sc-AI alloys. There is also an increasing number of publications on the mineralogy |  | | Book | | Elizabeth Queen 5500 Egypt the part is anywhere an beryl deposits, of fine crystal Sinkankas has ...Poisons and Venomous Bites, Pregnancy, 127 Austria, Vision and Diseases of the Epilepsy, 124 Russia...Treatment for Cabochons, Australia, 363 331 Austria, Beryl Carvings, 332 Faceted Gems, and Gems...edge are which contains turquoise, The much an the National stones in their relation to mankind...but I hope that the material included presents an adequate portrait of a mineral whose history |  | | Report (volume) | | ... Grafton district...................................... Alstead area, Keene district................Plate 61. Geologic map of the Alstead area, Keene district , New Hampshire........................ 62. Map...locations of mica and feldspar mines of the Grafton district, New Hampshire .................................locations of mica and feldspar mines of the Keene district, New Hampshire.. Figure 38. Index map of New Hampshire...aggregated 13,326,990 pounds of sheet and punch mica, an annual average of 416,470 pounds. Since 1931 production |  | | Journal (article/letter/editorial) | | Springer-Verlag1990 Caesian Bazzite in Granite Pegmatite in Tordal, Telemark, Norway G. Juve I and S. Bergstol...ein seltenes akzessorisches Mineral der CleavelanditAmazonit-Pegmatite von Heftetjern, Tordal, Telemark...Bazzit. The Heftetjern cleavelandite-amazonite pegmatite lies between Hoydalen and Skarsfjell, where two...(Oftedal, 1942 and 1943) are located. The Heftetjern pegmatite is one of a larger number (Fig. 1) occurring in...source of the swarms of pegmatite in the area (Fig. 1). The dominant pegmatite minerals are amazonite |  | | Journal (article/letter/editorial) | | Avenue Littleton, Colorado 80122 Four Obscure Pegmatite Mineral Localities in Oxford County, Maine Oxford...dumps of peg matites in the Maine pegmatite belt. The famous pegmatite quarries of western Maine—Mt. Mica...the quarries which, once lo cated, are potentially an excellent mineral locality. The quarries are three...mining of these pegmatite dikes since the 1920s. The excavations are on three parallel pegmatite dikes, striking...vertically. The dikes are each about 25 feet wide, with an albite-perthitequartz wall zone 1-5 feet thick, a |  | Wise, Michael A., Harmon, Russell S., Curry, Adam, Jennings, Morgan, Grimac, Zach, Khashchevskaya, Daria (2022) Handheld LIBS for Li Exploration: An Example from the Carolina Tin-Spodumene Belt, USA. Minerals, 12 (1) 77 doi:10.3390/min12010077 | Journal (article/letter/editorial) | | minerals Article Handheld LIBS for Li Exploration: An Example from the Carolina Tin-Spodumene Belt, USA...Khashchevskaya, D. Handheld LIBS for Li Exploration: An Example from the Carolina Tin-Spodumene Belt, USA...analysis outside the traditional laboratory setting, is an ideal tool for Li exploration because it is the only...future and Li–Cs–Ta (LCT) granitic pegmatites are an important source of Li. Such pegmatites can have...in the field at a historically important CTSB pegmatite locality in Gaston County, N.C. in four contexts: |  | | Journal (issue) | | for "Identifying Gem-Quality Synthetic Diamonds: An Update," and Robert E. Kane, for "Natural Rubies...American Pearl Creations. He i s widely recognized as an authority on natural and cultured pearls, and as...the mining regions of Brazil. Mr. Proctor received an M.S. in molecular biology from the University of...and identification techniques, and has appeared as an expert witness in several court cases. A native of...Most of this production has come from two major pegmatite regions: (1) the Araguai-Itinga and Araguai-Salinas |  | | Journal (article/letter/editorial) | | author Aquamarine crystals occur in crustal A-type pegmatite–aplite dykes and associated quartz veins and greisen...Average water content (1.53 wt. %) was calculated using an empirical formula, consistent with two TREL (>800...‰, consistent with magmatic crystallization from an 18O enriched source, and δD values on channel water...have magmatic signatures. Keywords: aquamarine, pegmatite, aplite, Allandale Granite, Zealand Station, New...and in veins. Beryl can form at any stage of pegmatite consolidation/crystallization, by autometasomatic |  | | Journal (article/letter/editorial) | | the Lepontine Alps South Central Switzerland and an age of vertical movement on the Insubric fault line...track (FT) apatite and zircon, K/Ar and Rb/Sr biotite and muscovite ages are presented for 19 samples...Cretaceous opening of the Southern Atlantic produced an anti-clockwise rotation of the African plate with...from the northern margin of Tethys being the site of an island arc-continent collision (Dewey and Bird 1970)...the Zermatt ophiolites in W. Switzerland and the Lower Austroalpine-Pennine boundary in E. Switzerland |  | Camacho, A., Lee, J.K.W., Zhao, J., Abdu, Y.A., Fayek, M., Creaser, R.A. (2020) A test of the interlayer ionic porosity model as a measure of argon diffusivity in trioctahedral micas. Geochimica et Cosmochimica Acta, 288. 341-368 doi:10.1016/j.gca.2020.07.041 | Journal (article/letter/editorial) | | org/10.1016/j.gca.2020.07.041 This is a PDF file of an article that has undergone enhancements after acceptance...mineral’s atomic packing density, has been proposed in an attempt to understand and explain the diffusive behaviour...retentivity in micas (Grove and Harrison, 1996). In an attempt to holistically understand and explain the...volume of interlayer ions (e.g. two K+ and six O2- in an ideal phlogopite end-member) within the interlayer...that higher Zi values and lower interlayer bond strengths should lead to lower activation energies (E) |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline igneous rocks where sodalite...ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near, indeed...vein-dike consists of ilmenite. magnetite, anatase, biotite, microcline and minor fluorapatite (Robinson and...2008, when extensive blasting for construction of an extension to High,, ay 5 revealed veins of massive |  | | Journal (article/letter/editorial) | | mineral composition of the nepheline syenite pegmatite from the Sahar jok Intrusion has resulted in...identified in the Kola region for the first time. The pegmatite body at the contact between nepheline syenite...unique beryllium min eralization. Behoite Be(OH)2 is an extremely rare beryllium mineral. It occurs as powderlike...United States). Mimetite was found in the same pegmatite of the Saharjok intrusion. It forms unusual parallelfibrous...essexite with the formation of fenite halos and pegmatite veins. Syngenetic pegmatoid aggregates and veins |  | | Book (volume) | | pans. Many other gem crystal species occur in pegmatite exposures, such as Aquamarine, Beryl, some Ruby-red...GRAYSVILLE, SE 1½ mi., in Knox dolomite exposed in an abandoned quarry Barite, Calcite, Fluorite (purple...shark teeth. CHATTOOGA COUNTY GORE, N 6 mi., along lower slopes of Taylor RidgeHalloysite. SUMMERVILLE:...areaAlmandite garnet; (g) harmony Church, area pegmatite outcropsBeryl; (h) Hickory Flat, 2 mi. NE on...mi. region surrounding this town contains many pegmatite dike minesMica minerals, Quartz crystals, Aquamarine |  | | Report (issue) | | Development and Mines (MNDM) as a public service, on an “as-is” basis. Recommendations and statements of...at the regional Mines and Minerals office whose district includes the area covered by the report (see below)...purchased at Publication Sales and the office whose district includes the area covered by the report. Although................................................ Outcrop Data............................................................... 106 Harvey–Cardiff Domain Pegmatite-Hosted Occurrences .......................... |  | | Report (chapter) | | area . Lucy pegmatite. Results of the drill program . ..... . .. . . . Artdon pegmatite Subsurface pegmatite..... . . ... . . Molly and Bendum claim s Deer pegmatite , West Hawk Lake. . . . . . . . . . . . . . ....Lake .. ... . . . ... ..... .. . . . . . Beryl pegmatite north of Telford. 7 7 9 9 12 12 12 15 16 17 17...Lake/Cat Lake areas General statement 19 19 Pegmatite dykes in the Pointe du Bois area (Lac du Bois...Lamprey Falls) Lac du Bois pegmatite K-1 pegmatite . Lucky NO.3 pegmatite Pine claim , Winnipeg River |  | | Report (issue) | | manufacture of which much smaller sheets can be used, is an amply good substitute for large sheet mica in electric...Jenney a and of Darton,6 taken, together, furnish an excellent description. The mica resources have been...000 feet above the surrounding plains. They form an oval uplift about 125 miles long from north-northwest...shale of Triassic (?) and Jurassic age, Upper and Lower Cretaceous sandstones, shales, and limestones, and...Tertiary " badland " formations. 'These formations outcrop at successively greater distances from the central |  | | Report (issue) | | Columbomicrolite Cooperite Y Dutoitsp anite Erinite (of Van der Lingen) Framesite Garnet-Jade Guanite lridosmine...species has increased steadily ever since, apart from an unproductive period between 1943-1956. Mineralogists...and M. Duggan G.J. Beukes, A.E. Schoch, W.A. van der Westhuizen, L.D.C. Bok and H. de Bruiyn S.E. Haggerty...kimberlite pipe, Farm Dorst Fontein K 77, Kimberley district, Northern Cape Province (Parry and Wright, 1925)...in the Wessels mine, Farm Wessels 227, Hotazel district, Northern Cape Province (Von Bezing et al., 1991 |  | | Book (volume) | | (lined with crystals); (b) Hamilton Quarry, the lower Warsaw section at the top of the quarry (see map)... This and adjoining Brown Co. have also produced an astonishing 30 Diamonds over the last century. These... of most of central and southern Indiana produce an abundance of these minerals.) COXVILLE, area coal...Marcasite, or Pyrite. WASHINGTON COUNTY PEKIN, W 1¼ mi., an abandoned quarry⎯Barite, Calcite, Selenite, Sphalerite...principally in Devonian limestone exposures which outcrop over much of Iowa, being most typical and best |  | | Book (volume) | | (lined with crystals); (b) Hamilton Quarry, the lower Warsaw section at the top of the quarry (see map)... This and adjoining Brown Co. have also produced an astonishing 30 Diamonds over the last century. These... of most of central and southern Indiana produce an abundance of these minerals.) COXVILLE, area coal...Marcasite, or Pyrite. WASHINGTON COUNTY PEKIN, W 1¼ mi., an abandoned quarry⎯Barite, Calcite, Selenite, Sphalerite...principally in Devonian limestone exposures which outcrop over much of Iowa, being most typical and best |  | | Report (issue) | | TIN RESOURCES OF THE KINGS MOUNTAIN DISTRICT, NORTH CAROLINA AND SOUTH CAROLINA. By ARTHUR KEITH and...B. STERRETT. INTRODUCTION. The Kings Mountain district, in which the tin ores here described are found...mapped by the United States Geological Survey. The district is almost equally divided between North Carolina...in 1908 and in subsequent years up to 1914. The district has also been examined in detail by Mr. Keith...of the region. GEOGRAPHY. The Kings Mountain district is in the central part of the Piedmont Plateau |  | | Book (volume) | | considering its age — this could almost be considered an updated version). This is by no means a complete...Minerals are capitalized while rocks have been left lower case. This is the 5th printing and each time updates...and E of the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T...a bed⎯dark yellow ocher. CLAY COUNTY AREA: c pegmatite outcrops in the mica schists, as large platy books...crystals; (e) Coosa and Tallapoosa R. drainage area pegmatite outcrops and numerous old mines⎯Muscovite mica |  | | Book (volume) | | considering its age — this could almost be considered an updated version). This is by no means a complete...Minerals are capitalized while rocks have been left lower case. This is the 5th printing and each time updates...and E of the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T...a bed⎯dark yellow ocher. CLAY COUNTY AREA: c pegmatite outcrops in the mica schists, as large platy books...crystals; (e) Coosa and Tallapoosa R. drainage area pegmatite outcrops and numerous old mines⎯Muscovite mica |  | | Report (issue) | | region and on the mica deposits are largely taken from an earlier paper,0 in which the occurrence of mica-bearing...commercial value. These are muscovite, phlogopite, biotite, and lepidolite. Muscovite and phlogopite have...wide application in both sheet and ground form. Biotite has only recently been used in the ground form...within two years that a small demand has arisen for biotite for grinding. Muscovite, like all the other micas...is generally found in rough blocks, sometimes with an irregular development of crystal faces. The faces |  | | Journal (article/letter/editorial) | | of the uniformity of the porphyritic granite. Pegmatite veins cutting the porphyritic granite. The age...the name "porphyritic gneiss." He says: "This is an ordinary gneiss, carrying numerous crystals of orthoclase...be the trace of an almost obliterated stratification.4 An indication of doubt as to an exact correlation...697 tions of the lower series into two groups--the Laurentian, which he qualifies by an interrogation point...the "porphyritic gneiss" of the White Mountain district, and inferentially that of the whole state, was |
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