 | | Journal (article/letter/editorial) | | THE OF LITHIUM PEGMATITE OKAYAMA YASUO UKAI, DEC., 1956 MICAS FROM OF MINAGI, PREFECTURE SHIN'ICHI...compositions of lithium micas in a pegmatite at Minagi, Okayama Prefecture, were studied. This pegmatite consists...and from lithium and that lithium, and in the the magnesium earlier pegmatite cooling the...of the distinctive the mica of biotite pegmatite, concentrated the part forming structure... elements crystals. residual replaced the lithium micas and secondary In the later stage, hydrothermal |  | | Journal (article/letter/editorial) | | are scattered within an area around the large pegmatite mine of Muiane where the tourmaline material produced...Because it is not known from which particular pegmatite body each crystal is derived, the locality of...tourmaline, this specimen certainly comes from a lithium pegmatite. The exact Iocatity is not known to fl~e authors...53:42:5 (microprobe analysis); pinkish, prismatic zircon; traces of brown sphene. Data for the composition...Mexico (Barton 1969); dravites from HirosÂą mine, Japan (Kitahara 1966) and from Dobruva, Carinthia, Au:stria |  | RASLAN, Mohamed F., EL-SHALL, Hassan E., OMAR, Sayed A., DAHER, Ahmed M. (2010) Mineralogy of polymetallic mineralized pegmatite of Ras Baroud granite, Central Eastern Desert, Egypt. Journal of Mineralogical and Petrological Sciences, 105 (3) 123-134 doi:10.2465/jmps.090201 | Journal (article/letter/editorial) | | Volume pegmatite 105, page 123 â 134, 2010 123 Mineralogy of polymetallic mineralized pegmatite of Ras...rare metal mineralization is recorded in the pegmatite bodies of Gabal Ras Baroud younger granitic pluton...pluton, Central Eastern Desert of Egypt. These pegmatite bodies are of variable size and are compositionally...zoned. Radiometric measurements of some anomalous pegmatite samples show that their equivalent uranium (eU)...analysis of several separated mineral grains of some pegmatite samples using a scanning electron microscope and |  | | Journal (article/letter/editorial) | | THE PARAGENESIS OF THE WALDEN PEGMATITE, PORTLAND, CONNECTICUT (PART III) (Continued from last issue)...Weber, Mamaroneck, N. Y. Quartz in soda-lithium pegmatite is generally much less abundant than the cleavelandite...deposition of the minerals in the lithium replacement body in the Walden pegmatite appears to be: first, caesium...have penetrated into exposed areas in the Walden pegmatite, chiefly along fractures. They have caused some...and uranophane; all very late minerals in that pegmatite. Hyalite opal was also deposited from solution |  | | Journal (article/letter/editorial) | | 154), "There is an abundanceof coarsegranite pegmatite bouldersin the immediate neighborhood of the quarry...unusually large scale . . . is due to the action of pegmatite intrusions upon the materials of the gneisslimestone...contact zone." Specimensof rose mica-bearing pegmatite from Bolton show the following megascopiczonal...Coarse-grained cleavelandite-smoky quartz-muscovite pegmatite, with mica books as large as two inches across...Massachusetts. X|. Had.domI{eck, Conmect'i.cut: The pegmatite at Haddam Neck contains zoned mica crystals, quartz |  | | Journal (article/letter/editorial) | | THE ELBAITE SUBTYPE OF RARE-ELEMENT GRANITIC PEGMATITE T. SCOTT ERCIT§ Canadian Museum of Nature, P.O...the elbaite subtype of rare-element granitic pegmatite has been encountered within the OâGrady batholith...granite and felsitic satellite dykes. On the whole, pegmatite bodies show a mildly NYF-type geochemical and...(elbaite-bearing). The melts parental to the pegmatite bodies were more voluminous, more alkaline, less...than is the norm for melts parental to LCT-type pegmatite. Differentiation of these melts sequentially produced |  | | Journal (article/letter/editorial) | | PEGMATITE MINERALS OF THE UNITED STATES DAVID M. SEAMAN American Museum of Natural History, New York...York City Article 8, Silica and Silicates (part three) (concluded) TOURMALINE is a complex silicate of boron...is known as schorl. The colored tourmalines or lithium tourmalines are rubellite, the pink or red variety;...found most commonly in pockets or cavities in the lithium pegmatites. Some of these cavities or pockets have...found in all types of pegmatite from the common granite type to the lithium pegmatite. Many localities have |  | | Journal (article/letter/editorial) | | emphasis on rare earth elements (REE), titanium and lithium Olli SarapÀÀ1*, Niilo KĂ€rkkĂ€inen2, Timo Ahtola2...LamujĂ€rvi, and Iivaara), rapakivi granite and pegmatite (Kovela), and kaolin-bearing weathering crusts...vanadium mine. For several years, Rare Element (RE)-pegmatite of the Kaustinen and SomeroâTammela areas has...Geological Survey of Finland (GTK). At Kaustinen, Li-pegmatite occurs as subparallel dyke swarms in an area of...Paleoproterozoic mica schists and metavolcanic rocks. Li pegmatite contains more than 10% spodumene as megacrysts |  | | Journal (article/letter/editorial) | | however, large-scale mining operations at Bikita for lithium minerals (Cooper, 1961 ; Wilson and Martin, 1964)...other lithium minerals except in the Mterikati pegmatite. Lithiophorite is the only other lithium mineral...the Dam Site pegmatite. The refractive indices of montebrasite from the Benson 2 pegmatite (no. 13, table...replaces montebrasite in a sample from the Bikita pegmatite and members of the goyazite and possibly of the...from the Bulema pegmatite (Kigezi, Uganda) have r 1.633 and 1-639. In the Bikita pegmatite, the grain-size |  | | Journal (article/letter/editorial) | | gates after you. This quarry is the newest of the lithium pegmatites to be opened up in Connecticut and anyone...species of minerals only present in this type of pegmatite. The quarry was opened up early in 1962 by two...its salts. Caesium also occurs quite commonly in lithium pegmatites as an impurity in caesium beryl and...tubes, and other electronic equipment. The Walden pegmatite appears to be located along the contact of the...age. The nearby Gotta-Walden pegmatite, a normal, non-lithium pegmatite, is at the contact of the Monson |  | | Journal (article/letter/editorial) | | uncertainty limits [29]. Trace element abundances, zircon UâPbâHf data, electron probe microanalyses of major...and selected accessory minerals (FeâTi oxides, zircon, thorite, and pyrochlore) in the granite xenoliths...also been demonstrated by the 5.18 ± 0.02 Ma old zircon with strongly positive ΔHf values of 14.2 ± 3.9...[30], U/Pb zircon, U/Th monazite, (U-Th)/He U/Pb zircon, U/Th monazite, (U-Th)/He zircon and apatite...apatite dating of maars ([21,31â33] and zircon and apatite dating of maars ([21,31â33] and unpublished data) |  | | Report (issue) | | gained notice as a gemstone distinct from ruby or zircon. Turamali from Ceylon According to Dana and Brush...used by native jewelers to refer to the yellow zircon commonly found in Ceylon (Smith, 1912). Dana and...the turamali, there were some gems that were not zircon, but were quickly discovered to be new. The Amsterdam...hardness and color of zircon and tourmaline can be similar, the specific gravity of gem zircon (as high as 4...tourmaline gems weigh quite noticeably less than zircon of equal size and cut. Circa mid-1700s Clark |  | | Report (issue) | | pinacoid {001} is conspicuous. Topaz crystals from pegmatite pockets are commonly etched, and crystals from...Under their hypothesis, primary A newly opened pegmatite about 2 km from Sibiri on the banks of the Basha...porphyry deposits intermediate in water content, and pegmatite deposits deeper and wetter. However, a study of...suggesting that topazion was named for a like-named city in India from which it was first obtained. Some...Greisens; 4) Veins; 5) Skarns; 6) Rhyolites Pegmatite Evolution Topaz and "hyalite" opal, 3.5 cm wide |  | | Journal (article/letter/editorial) | | THE PARAGENESIS OF THE WALDEN PEGMATITE, PORTLAND, CONNECTICUT (PART II) (Continued from last issue)...crystallizing mass of pegmatite in the lithium replacement body in the Walden pegmatite. It envolved the rubellite...deposited very late in the paragenetic sequence in the lithium replacement lense after the deposition of the caesium...in the center of the late lithium replacement body of the Walden pegmatite in broad, lath-like, euhedral...are the largest euhedral crystals found in this pegmatite and are tightly intergrown with or embedded in |  | | Journal (article/letter/editorial) | | belt. Another characteristic. lithiumbearing pegmatite procince is lound in the basement rocks o f Zimbabwe...the most important mineral mined in the past, lithium, rare-earths. tin. niobium-tiintalum, and uranium...Cassiterite 1. Introduction Although the major granite pegmatite regions of Africa have been known for a long time...demand. The present study reviews the principal pegmatite regions in Africa, where extensive mining of minerals...paid t o the mineralogy and geochemistry of the pegmatite deposits, and in particular t o tin and tantalum |  | | Journal (article/letter/editorial) | | Lithium mineralization in Norway: a review Roy Kristiansen Postboks 32, N-1650 Sellebakk, Norway (mykosof@online...Introduction Today lithium comprises 118 minerals world-wide containing essential lithium (Grew et al. 2018)...of lithium appear to be particularly rare in Norway". However, he pointed out that a real lithium mica...multi-colored Li-tourmalines and spodumene from a pegmatite at Ă
gskardet in Holandsfjord, Nordland. Frigstad...elbaite crystals from Iveland. The diversity of lithium minerals in Norway are much less advanced than |  | | Journal (article/letter/editorial) | | 458 Simpsonite and stibiotantalite from Benson pegmatite mine, Mtoko, Southern Rhodesia. By O. vox KNORRIXG...simpsonite and stibiotantalite is described from a lithium pegmatite at Mtoko, Southern Rhodesia. Optical, chemical...Simpsonite has been previously described from four pegmatite areas only: Tabba Tabba in Western Australia (Bowley...suite of minerals typical of other important pegmatite fields in Southern Rhodesia ; this includes amblygonite...topaz, polluoite, multicoloured beryl, apatite, zircon, eassiterite, bismutite, columbite-tantalite, manganotantalite |  | | Journal (article/letter/editorial) | | PEGMATITE MINERALS OF MAINE By D A V I D M. S E A M A N 36 Winter St., Norway, Maine 0 4 2 6 8 INTRODUCTION...platy variety of albite, cleavelandite. Microscopic zircon crystals of the va riety cyrtolite have also been...of gem, aquamarine beryl crystals, embedded in pegmatite. Some gem, aquamarine beryl crystals to three...crystallized cassiterite crystals in cleavelandite; small, zircon crystals of the variety cyrtolite, partly in masses...the faces of small, gemmy topaz crystals; small zircon crystals of the variety cyrto lite; small masses |  | Xu, Zhiqin, Fu, Xiaofan, Wang, Rucheng, Li, Guangwei, Zheng, Yilong, Zhao, Zhongbao, Lian, Dongyan (2020) Generation of lithium-bearing pegmatite deposits within the Songpan-Ganze orogenic belt, East Tibet. Lithos, 354. 105281 doi:10.1016/j.lithos.2019.105281 | Journal (article/letter/editorial) | | Journal Pre-proof Generation of lithium-bearing pegmatite deposits within the Songpan-Ganze orogenic...Y., Zhao, Z., Lian, D., Generation of lithium-bearing pegmatite deposits within the Songpan-Ganze orogenic... Abstract As the largest lithium ore deposits in China, the Jiajika and Markam lithium pegmatites formed in...Songpan-Ganze orogenic hinterlands, East Tibet. The lithium pegmatites, hosted in the Upper Triassic turbiditic...determined that both gneiss domes, related to lithium ore deposits, are characterized by cored granites |  | 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) | | mjennings@sciaps.com Piedmont Lithium, Inc., 5706 Dallas Cherryville Highway, Bessemer City, NC 28016, USA; zgr...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...Introduction published maps and institutional affil- Lithium is a metal widely used in the production of pharmaceuticals |  | | Journal (article/letter/editorial) | | Petrogenetic implications of garnets associated with lithium pegmatites from SE Ireland MARTIN P. WH1TWORTH*...euhedral garnets. Chemical data indicate that the pegmatite- and aplite-hosted garnets are rich in spessartine...evolution of the pegmatite body. It is suggested that an aqueous fluid was exsolved during pegmatite crystallisation...of this fluid to the intermediate zone of the pegmatite body produced areas of high Mn concentrations...at low pressures (<3 kbar). KEVWORDS: garnets, lithium pegmatites, manganese, Aclare, Ireland. Introduction |  | | Journal (article/letter/editorial) | | of time, a need emerged to revise some of the pegmatite classes and families (e.g., ÄernyÌ & Kjellman...the synkinematic to post-kinematic (granite +) pegmatite populations themselves (Table 1, 2, Fig.1). THE...maximal estimates for the environment during pegmatite emplacement, as they characterize peak metamorphism...usually substantially predates intrusions of the pegmatite-forming melt. This PâT gap is locally the largest...subclasses, further 2007 subdivision leads to pegmatite types and subtypes, marked by significant differences |  | | Journal (article/letter/editorial) | | 105, No. 8, 2020 Lithium and Nd isotopic constraints on the origin of Li-poor pegmatite with implications...JOURNAL OF EARTH SCIENCES Vol. 57, No. 8, 2020 Zircon U-Pb dating and sulfide Re-Os isotopes of the Xiarihamu...Classification and characteristics of natural lithium resourcesâ Robert J. Bowell, Laura Lagos, Camilo...and mobiles: Societyâs increasing dependence on lithiumâThomas Bibienne, Jean-François Magnan, Alexander...Yangtze craton, southwestern China: Constraints from zircon U-Pb and molybdenite Re-Os geochronology, Lu-Hf |  | | Journal (article/letter/editorial) | | described by Kesler (1961). It is part of a tin-lithium belt between Lincolnton, North Carolina and Grover...Grover at the South Carolina line. The lithium pegmatite occurs along parts of the east side of an irregular...Foote Quarry lies in the large number of unusual lithium, tin and beryllium minerals, especially phosphates...secondarily deposited along fractures in the pegmatite. A number of new minerals have been described...mineral assemblage at the Lithium Corporation of America quarry near Bessemer City just a few miles from |  | | Book | | minerals 255 Titanium & zirconium minerals 141 Lithium minerals 246 252 Sodium carbonate 120 Gypsum...export, as was done by the Australian government for zircon. All trade in a mineral product may be controlled...phosphate rock. Kaolin is shipped from Georgia to Japan, talc from Montana to Belgium, barite from Ireland...use more asbestos than A/C products, whereas in Japan A/C sheets and pipes account for over two-thirds...centers, from East Broughton, 40 miles south of Quebec City, at the northern end, to Thetford Mines, Black |
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