 | | Book (volume) | | pans. Many other gem crystal species occur in pegmatite exposures, such as Aquamarine, Beryl, some Ruby-red...line in a Hornblendegneiss exposureBeryl, black Tourmaline. 146 A Location Guide for Rock Hounds in the...Amethyst, Garnet, Smoky Quartz crystals, black Tourmaline, etc. (the accessory minerals of all mica mines...mines include Almandite garnet, Feldspar, black Tourmaline, etc.); (e) the Alexander and Cooley minesopaque...areaAlmandite garnet; (g) harmony Church, area pegmatite outcropsBeryl; (h) Hickory Flat, 2 mi. NE on rd. |  | | Book (volume) | | Murphrees Valley, as a narrow strip of scattered outcrops about 5 mi. long⎯Manganese minerals. CALHOUN...area⎯Barite. CHEROKEE COUNTY CENTRE, area Miocene outcrops⎯tektites (dark green and dark blue tektites have...of the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T. Childers...in the United States CLARKE COUNTY AREA, vein outcrops along county roads⎯chert (resembles chalcedony)...bed⎯dark yellow ocher. CLAY COUNTY AREA: c pegmatite outcrops in the mica schists, as large platy books |  | | Book (volume) | | Murphrees Valley, as a narrow strip of scattered outcrops about 5 mi. long⎯Manganese minerals. CALHOUN...area⎯Barite. CHEROKEE COUNTY CENTRE, area Miocene outcrops⎯tektites (dark green and dark blue tektites have...of the Louisville and Nashville RR), area pegmatite outcrops⎯Muscovite mica; d SE Region: (a) B.T. Childers...in the United States CLARKE COUNTY AREA, vein outcrops along county roads⎯chert (resembles chalcedony)...bed⎯dark yellow ocher. CLAY COUNTY AREA: c pegmatite outcrops in the mica schists, as large platy books |  | | Book (volume) | | fossils. There are no igneous or metamorphic rock outcrops in Indiana. The four great periods of glaciations... FREMONT COUNTY AREA, all Devonian limestone outcrops, gemstone quality⎯fossil corals and stromatoporoids... Logan, Trego, and Wallace counties. Regional outcrops of shale disgorge Selenite crystals. ANDERSON...bodies occurring in Mississippian limestone with outcrops predominantly in the very corner of Kansas⎯chert...Rocks⎯Pyrite concretions; d S 5 mi., in Cretaceous outcrops (banks) of the Smoky Hill R., in lignite beds⎯Amber |  | | Book (volume) | | fossils. There are no igneous or metamorphic rock outcrops in Indiana. The four great periods of glaciations... FREMONT COUNTY AREA, all Devonian limestone outcrops, gemstone quality⎯fossil corals and stromatoporoids... Logan, Trego, and Wallace counties. Regional outcrops of shale disgorge Selenite crystals. ANDERSON...bodies occurring in Mississippian limestone with outcrops predominantly in the very corner of Kansas⎯chert...Rocks⎯Pyrite concretions; d S 5 mi., in Cretaceous outcrops (banks) of the Smoky Hill R., in lignite beds⎯Amber |  | | 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 |  | | Book (volume) | | Murphrees Valley, as a narrow strip of scattered outcrops about 5 mi. longManganese minerals. CALHOUN...areaBarite. CHEROKEE COUNTY CENTRE, area Miocene outcropstektites (dark green and dark blue tektites have...of the Louisville and Nashville RR), area pegmatite outcropsMuscovite mica; SE Region: (a) B.T. Childers...in the United States CLARKE COUNTY AREA, vein outcrops along county roadschert (resembles chalcedony)...beddark yellow ocher. CLAY COUNTY AREA: pegmatite outcrops in the mica schists, as large platy books |  | | Book (volume) | | for gems and gemstones: quartz family minerals, pegmatite crystals, Turquoise, agatized and opalized wood...(b) toward S end of the Pine Nut Mts., area pegmatite outcrops Thulite (pink Zoisite), Topaz; extreme...Silver, Platinum. ELKO COUNTY CARLIN: area pegmatite outcrops in surrounding hillsRose Quartz; nearby...Silver minerals; area gravels, surfaces and outcropsCitrine, Rose Quartz, wonderstone; NW 8 mi....until the 1950’sGold, Lead, Silver; area rock outcropsRose Quartz. This mining dist. was located with |  | | Book (volume) | | also quarried a rough, porous flintstone from outcrops, especially around McArthur, Vinton Co., for making...Bolivar to Zoar Station, as nodules in limestone outcrops⎯flint. VINTON COUNTY AREA: c Swan Twp., on Upper...McCloud on Rte. 62 to Crater Lake: (a) area basalt outcrops⎯Natrolite; (b) draws, washes, slopes, etc.⎯Quartz...gem Corundum crystals are still gathered from pegmatite exposures in these counties. Mountain stream gravels...Cryptomelane, Orthoclase, Limonite, Quartz crystals, Tourmaline, Zircon. ST. CLAIRSVILLE, take the Pennsylvania |  | | Journal (article/letter/editorial) | | quartz-albitemuscovite-tourmaline unit and saccharroidal albite-muscovite-tourmaline-garnet unit. A K/Rb...except for the saccharroidal albite-muscovite-tourmaline-garnet unit which has exceptionally high ratios...moderately enriched in beryl, tourmaline and niobium–tantalum minerals. The pegmatite has affinity for beryl columbite...precipitated from late-stage solutions. Similar pegmatite types were also recognized in Osu, Aramoko and...Cerny and Ercit (2005) recognized five granitic pegmatite classes: abyssal, muscovite, muscovite-rare element |  | | Book (volume) | | also quarried a rough, porous flintstone from outcrops, especially around McArthur, Vinton Co., for making...Bolivar to Zoar Station, as nodules in limestone outcrops⎯flint. VINTON COUNTY AREA: c Swan Twp., on Upper...McCloud on Rte. 62 to Crater Lake: (a) area basalt outcrops⎯Natrolite; (b) draws, washes, slopes, etc.⎯Quartz...gem Corundum crystals are still gathered from pegmatite exposures in these counties. Mountain stream gravels...Cryptomelane, Orthoclase, Limonite, Quartz crystals, Tourmaline, Zircon. ST. CLAIRSVILLE, take the Pennsylvania |  | | Journal (article/letter/editorial) | | OF THB NEWRY PEGMATITE, MAINE H. J. Fnnsnn, Haroard. Uniaersity. The Dunton tourmaline deposit, which...highway. Mining operations were confined to two outcrops, about 250 feet apart, which occur on the western...DBscnrPtroN or PBGuarrrB The wall rock surrounding the outcrops is a light green micaschist composed essentially...rock has been much disturbed so that near the outcrops, at least, the direction of schistosity is very...variable. The schist has been penetrated by numerous pegmatite stringers of varying size which occur not only |  | Roza Llera, Ana, Fuertes-Fuente, Mercedes, Cepedal, Antonia, Martin-Izard, Agustín (2019) Barren and Li–Sn–Ta Mineralized Pegmatites from NW Spain (Central Galicia): A Comparative Study of Their Mineralogy, Geochemistry, and Wallrock Metasomatism. Minerals, 9 (12) 739 doi:10.3390/min9120739 | Journal (article/letter/editorial) | | (barren) and Li–Sn–Ta mineralized Presqueira pegmatite are established in this study. K-feldspar and...Li–Sn–Ta mineralized pegmatite. In both barren and mineralized bodies, the pegmatite-derived fluids that...and As. Keywords: wallrock signature; Li–Sn–Ta pegmatite; columbite–tantalite; tantaliferous cassiterite;...on a Li–Sn–Ta mineralized body, the Presqueira pegmatite, which is a non-outcropping body that has been...enriched pegmatites such as trace-elements in major pegmatite-forming minerals and explorationsignatures of |  | | Journal (article/letter/editorial) | | Mineralogie undLagerstiittenlehre, RWTHAachen W-5100,Germany Abstract Raremetalmineralization onPhuketIsland...medium-grained, porphyritic biotite-muscovite _+tourmaline granites. The pegmatites aregroupedintothreetypesaccording...theirmainmineralassemblages: K feldspar-muscovite-tourmaline, K feldspar-albite-muscovite, andalbiteK feldspar-lepidolite...extended frotn the late-magmatic stageto the pegmatite andpostmagmatic, hydrothermal stages of the KhaoTosaeSuite...minerals,tourmaline sharply decreasing in abundance fromearlyto lategenerations of pegmatite dikes,anda |  | | Book (volume) | | which also produced a most remarkable series of pegmatite dikes ranking with those in Maine and Southern...addition, gem Garnets, Quartz crystals, Topaz and Tourmaline add to the fascination of these pegmatites. ...Hills Dist. Includes both Veins and the extensive pegmatite dike exposures and mines. BON HOMME & CHARLES...Fluorapatite, Kasolite, Quartz crystals, Mica, Tourmaline and Zircon (reddish brown crystals); W 14 mi...Staurolite, Tourmaline, etc.; E on US Alt. 16 for 15 to 17 mi. (near Rte. 79), pegmatite outcropsRose Quartz; |  | | Journal (article/letter/editorial) | | southern portions of the mine. INVESTIGATION OF A PEGMATITE LOCALITY IN WOODBURY, CONNECTICUT. R. C. Huff...diminishing resource areas. In the town of Woodbury, a pegmatite area (on private land) off Flanders Road was worked...historic locality is marked by additional pegmatite outcrops, surface pieces having been incorporated...by Marcelle Weber TOURMALINE ARMORING OF GARNET AND TRIPHYLITE, MOUNT MICA PEGMATITE, PARIS, MAINE. V...The Mount Mica pegmatite, Paris, Maine, is famous for its production of gem tourmaline (Hamlin, 1895; |  | | Report (issue) | | central core of metamorphic rocks, and some of the outcrops form hogbacks with the scarp toward the center...whether to classify the rock as granite or pegmatite. The pegmatite occurs both in the metamorphic rocks and...muscovite mica of commercial value is found in pegmatite. In this rock mica occurs as an accessory mineral...less prominence, the essential constituents of pegmatite being feldspar and quartz. The feldspars are commonly...one of the mines examined around Custer black tourmaline was found, and in many it was abundant in crystals |  | | Journal (article/letter/editorial) | | BUTTE PEGMATITE BELT Silver Bow and Jefferson Counties, Montana E618 By R A Y M O N D L A S M A N I...added to my collection from the Butte, Montana Pegmatite Beit. During boyhood days, I took an occa sional...on dis play compare with the best from other pegmatite regions, such as Colorado, New England, etc.)...microcline, with interstitial sericite and minor black tourmaline. A later hydrothermal phase has invaded some...Picnic Grounds, including the Pohndorf Amethyst Pegmatite. These areas can be clearly located on the Jefferson |  | | Report (issue) | | a cross section of a tourmaline crystal from Anjanabonoina, from the tourmaline collection at the Kristallmuseum...Kristallmuseum in Riedenburg, Germany The current status of these studies is presented in this monograph...Annandale, VA Dr. Gi.inther A. Neumeier, Munich, Germany Dr. William B. Simmons, New Orleans, LA Gloria...CT Layout Designer Maximilian Glas, Starnberg, Germany Licensed edition in the English language of Lithographer...Schottenheim Munich, Germany with the permission of Christian Weise Verlag, Munich, Germany © 2001 by Lapis |  | 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) | | in the field at a historically important CTSB pegmatite locality in Gaston County, N.C. in four contexts:...muscovite and rapidly determine the degree of pegmatite fractionation. This study demonstrates the potential...compositional information for pegmatites during a Li pegmatite exploration program. Academic Editor: Paul Alexandre...distribution and face multiple production challenges. Pegmatite deposits (26%) will, therefore, remain an important...alternative process for the generation of some LCT pegmatite populations [10–12]. Granites parental to LCT |  | | Report (issue) | | Fluor-liddicoatite was described in 2011 as a species of the Tourmaline Group; it has F dominant over OH in a certain...site in the jumbo-erector-set complexity of the tourmaline structure, whereas in the same site in liddicoatite...below—showing beautiful balance between the stout tourmaline crystal and the crude smoky quartz crystal that...Madagascar, including the well-known Anjanabonoina pegmatite that made liddicoatite famous (one wonders how...Fluor-liddicoatite on matrix, 3.6 cm, from the Anjanabonoina pegmatite, Betafo district, Antananarivo Province, Madagascar |  | | Journal (article/letter/editorial) | | uranium specimen or a strikingly transparent pink tourmaline crystal. These collectors items and many more...workings, the Colony spar mine, the fabulous Palermo pegmatite, the Dodge Gold enterprise, and the Gregory Copper...plate, until the sun warned us to pack the green tourmaline, pink rubeIIite sprays, lilac 'lepidolite, purplish-brown...and below the ground are his in memory fans, tourmaline sprays, garnet pepper- and ph otographic study...garnets, Whiteface Mt. Pre-Cambrian allanite-pegmatite outcrops to one and two tenths billion years old, |  | | Report (volume) | | Oligoclase-quartz-muscovlte pegmatite............ Tourmaline-bearing pegmatite and quartz-tourmaline veins............... Albite-quartz pegmatite.......................... Spodumene-quartz pegmatite...................... lenses................... Mlcrocline-quartz pegmatite...................... Alblte-quartz-muscovite...quartzmica, graphite, and hornblende schists, and pegmatite dikes injected parallel to the foliation of the...are cassiterlte-rlch lenses in certain of the pegmatite dikes. The casslterite appears to have formed |  | | Report (issue) | | less prominence, the essential constituents of pegmatite being feldspar and quartz. The feldspars are commonly...locally plagioclase is the predominant feldspar. Pegmatite is therefore allied to granite in composition...distinguished from it by having a coarser texture. Pegmatite, also presents greater variations in texture and...Here and there over half of the pegmatite is composed of mica. Pegmatite bodies are of various shapes....masses, some of which are nearly round. Some pegmatite bodies lie conformable with the schistosity of |  | Liu, Chen, Wang, Ru-Cheng, Wu, Fu-Yuan, Xie, Lei, Liu, Xiao-Chi, Li, Xing-Kui, Yang, Lei, Li, Xue-Jiao (2020) Spodumene pegmatites from the Pusila pluton in the higher Himalaya, South Tibet: Lithium mineralization in a highly fractionated leucogranite batholith. Lithos, 358. 105421 doi:10.1016/j.lithos.2020.105421 | Journal (article/letter/editorial) | | granite, albite granite, and pegmatites. Numerous pegmatite dikes have intruded the Higher Himalayan crystalline...highly fractionated pegmatites. The Chomogu No. 1 pegmatite is a well- zoned dike that hosts beryl, columbite...in the Himalayan leucogranite belt. Keywords : Pegmatite, Li mineralization, spodumene, columbite–cassiterite...divided into two- mica (biotite and muscovite), tourmaline, and garnet subtypes according to the presence...f leucogranites, which contain garnet and/or tourmaline to varying extents (Guillot and Le Fort, 1995; |
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