 | | Journal (issue) | | on page 4) In this issue ā¦ Mineral of the month: Talc ....................... p. 2 Club officer elections...of the Month Merry Christmas! Happy Hanukkah! Talc by Sue Marcus Whatās the softest mineral on the...the Mohs hardness scale? I hope you thought of talc, our mineral of the month. The name is attributed...me nothing resembling the written or spoken word talc. Club Elections Committee Report The NVMC will...origin of the term in medieval Arabic, used for both talc and mica. This makes sense, since Agricola used |  | | Journal (article/letter/editorial) | | partial melting along the Kerman copper belt in Iran Mohammad Hassan Karimpour, Martiya Sadeghi PII:...partial melting along the Kerman copper belt in Iran, Ore Geology Reviews (2018), doi: https:// doi.org/10... Table 1. Porphyry copper gold deposits in Eastern Iran. Age (Ma) Coordinates References Maherabad 39...partial melting along the Kerman copper belt in Iran Mohammad Hassan Karimpour a ,ļŖ Martiya Sadeghi b...Deposits of Eastern Iran, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran b Mineral Resource |  | | Book | | Sodium sulfate 122 = 130 Iodine 138 Sulfur Talc 260 265 274 Vermiculite 145 Magnesite & magnesia...come not merely from one district but from a single mine. Thus the physical properties of many rocks and...minerals as diverse as sylvite and feldspar. Mica and talc may be micronized, i.e. subjected to ultra-fine...highly competitive. Materials used include kaolin, talc, calcium carbon- ate, mica, wollastonite and other...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source |  | | Journal (article/letter/editorial) | | AKHTER (S. M.), see QAISER(M. A.), 735. Alaer6n mine, Copiap6, Chile, arsenolamprite, 732. Ala di Stura...montebrasite, 4r4. Amblygonite mine, Caceres, Spain, montebrasite, 414. Amelia County, Virginia, albite, I56;...from Mull and Morvern, 934. Bala Durga Gourishankar mine, Tummalatalupur, Nellore, India, microcline perthite...and KADER (Z. ABDEL), Egyptian serpentinites and talc-carbonates, 394. BAYLlSS(P.), Cobaltite, gersdorffite...Crystallization of anorthite, 78o. Bhavani Sankar mine, Tummalatalupur, Nellore, lndia, muscovite, I4O |  | Somarin, Alireza Karimzadeh, Kissin, Stephen A., Heerema, Donald D., Bihari, Daniel J. (2009) Hydrothermal Alteration, Fluid Inclusion and Stable Isotope Studies of the North Roby Zone, Lac des Iles PGE Mine, Ontario, Canada. Resource Geology, 59 (2) 107-120 doi:10.1111/j.1751-3928.2009.00084.x | Journal (article/letter/editorial) | | Studies of the North Roby Zone, Lac des Iles PGE Mine, Ontario, Canada rge_084 107..119 Alireza Karimzadeh...2Department of Geology, University of Tabriz, Tabriz, Iran, 3Guelph Geomatics Service Center, Ontario Ministry...hydrothermal alteration. The alteration products include talc (the most dominant mineral), anthophyllite, serpentine...equivalent NaCl, respectively. The d18O and dD of talc range form 6.2ā° to 6.9ā° and -28ā° to -48ā°, respectively...respectively. d18O and dD water in equilibrium with talc during the hydrothermal alteration suggest a modified |  | | Report (issue) | | each deposit is represented by a country, country-province, or country-state, expressed in four-letter codes...codes (see appendix, Table E). For country-province and country-state codes, the first two letters abbreviate...country name and the last two letters the state or province name, e.g. USCA represents United States-California...CNNT CNON CNQU CNSK CYPS FIJI FNLD FRNC GBBR GUAT IRAN IRLD JAPN NRWY OMAN PKSN PLPN PORT SAAR SPAN SWDN...Cyprus Fiji Finland France Great Britain Guatamala Iran Ireland Japan Norway Oman Pakistan Philippines Portugal |  | | Report (issue) | | DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY TALC RESOURCES OF THE CONTERMINOUS UNITED STATES By...the U.S. Government. 1995 Menlo Park, CA 94025 Talc Resources of the conterminous United States Contents............................................8 Talc and talc-bearing rocks ................................optical properties of talc .........................10 Geology and Genesis of Talc Deposits .................................................12 Uses for talc ............................................... |  | | Journal (article/letter/editorial) | | of Geosciences, 388#, Lumo Road, Wuhan, Hubei Province 430074, PR China GNS Science, PO Box 30368, Lower...shale left composed largely of soft, and slippery talc. Ā© 2017 Elsevier B.V. All rights reserved. 1. Introduction...disastrous 2009 Jiweishan rock avalanche in Wulong County, Chongqing (Fig. 2), was caused by the coupled...rock avalanche (29ā¦ 14.4 N, 107ā¦ 26 E) in Wulong County, southern China. formed. Without calcite and organic...organic matter, the shale becomes a predominantly soft talc powder, which has low frictional resistance (Moore |  | | Report (issue) | | GEOLOGICAL SURVEY Bulletin Number 53 TALC DEPOSITS OF MURRAY COUNTY, GEORGIA By A. S. FURCRON Assistant...Geologist Tennessee Valley Authority MINERALOGY OF TALC DEPOSITS By JAMES L. CAL VER Associate Geologist...Fort Mountain on left ; Cohutta Mountain on right . Talc ia mined from a aeries of deposita which occur along...Geological Survey Bulletin No. 53, "Talc Deposits of Murray County, Georgia," by Dr. A. S. Furcron, Assistant...which are involved in the economics of the talc. Detailed mine maps have been correlated with surface and |  | | Book | | Geology Mansour Ghorbani The Economic Geology of Iran Mineral Deposits and Natural Resources https://telegram...me/Geologybooks Mansour Ghorbani The Economic Geology of Iran Mineral Deposits and Natural Resources https://telegram...of Geoscience Shahid Beheshti University Tehran, Iran ISBN 978-94-007-5624-3 ISBN 978-94-007-5625-0 (eBook)...Mineral exploration, extraction and production in Iran dates back to about 4000 B.C. Ever since not only...among many foreigners, the common belief is that Iran is undiscovered and untouched in terms of exploration |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...and J. Langhof Zagi Mountain, Northwest Frontier Province, Pakistan ....... . ....... 205 by H. Obodda,...IIMORIITE-(Y) crystal, 2 mm-All from the Trimouns talc quarry near Luzenac, France (see the article beginning...INTRODUCTION The Riddarhyttan ore field is situated in the county of Vastmanland, south-central Sweden, about 70...rich zone 187 Figure 1. Location map showing the county of Vastmanland and the Riddarhyttan ore field. |  | | Report (volume) | | Kingston Range Wilderness Study Area, San Bernardino County, California U.S. GEOLOGICAL SURVEY BULLETIN 1709-D...Kingston Range Wilderness Study Area, San Bernardino County, California By JAMES P. CALZIA, JAMES G. FRISKEN...Kingston Range Wilderness Study Area, San Bernardino County, California. (Mineral resources of wilderness study...California Desert Conservation Area, San Bernardino County, California. CONTENTS Summary Dl Abstract 1...Kingston Range Wilderness Study Area, San Bernardino County, California FIGURES 1. Index map showing location |  | | Journal (article/letter/editorial) | | NationalIranianSteelCorporation, P.O.Box14155-1977,Tehran,Iran Abstract The paperdescribes for the firsttimethe...rcalatedin Infracambrian(informaldesignation in Iran for Upper Riphean-Vendian; 750-570 Ma) volcanics...metasomatichalo (1962). Scientists fromthe GeologicalSurveyof Iran, aroundthe granite.WilliamsandHouchmand-Zadeh the...describedChoghartas intruded magnetite AtomicEnergyOrganizationof Iran, andIranianuni- melt (Kiruna type). F/firsterand...Pan-AfricanInfra- cambrianextensional volcano-tectonic province;the magnetite deposits arediatremes, filledwith |  | GarcĆa del Real, Pablo, Maher, Kate, Kluge, Tobias, Bird, Dennis K., Brown, Gordon E., John, CĆ©dric M. (2016) Clumped-isotope thermometry of magnesium carbonates in ultramafic rocks. Geochimica et Cosmochimica Acta, 193. 222-250 doi:10.1016/j.gca.2016.08.003 | Journal (article/letter/editorial) | | low-temperature hydromagnesite precipitated within a mine adit. We show that the acid fractionation correction...magnesite mine), Austria (Kraubath locality), Turkey (Tutluca mine, EskisĆehir district) and Iran (Derakht-Senjed...temperatures during the rainy season for California. Talcācarbonate alteration of ultramaļ¬c rocks in Greenland...stalactites in cave systems and mine adits, and as weathering products in ultramaļ¬c mine tailings, soil proļ¬les...low-temperature hydromagnesite precipitated within a mine adit. These measurements are complemented by additional |  | | Report (volume) | | the Inyo Mountains Wilderness Study Area, Inyo County, California U.S. GEOLOGICAL SURVEY BULLETIN-1708-A...the Inyo Mountains Wilderness Study Area, Inyo County, California By EDWIN H. McKEE, JAMES E. KILBURN...the Inyo Mountains Wilderness study arear Inyo County* California. (U.S. Geological Survey Bulletin 1708-A...(CDCA-122), California Desert Conservation Area, Inyo County, California. CONTENTS Summary 1 Abstract 1...the Inyo Mountains Wilderness Study Area, Inyo County, California FIGURES 1. Index map showing location |  | | Report (issue) | | #50. His style differs in several respects from mine, but everyoneāwriters and readers alikeāneeds a...locality given as Veshnoveh, Kashan County, Esfahan Province, Iran, very sharp, highly lustrous, brownish...(āmelaniteā), 5.4 cm, from Veshnoveh, Kashan County, Esfahan Province, Iran. Quebul Fine Minerals specimen and...group from the NāChwaning I mine, Kalahari Manganese Field, Northern Cape Province, South Africa. The specimen... from the NāChwaning I mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Quebul Fine |  | | Book | | (Abforming durch AusfuĢllung); e.g., the famous talc pseudomorphs after quartz crystals from GoĢpfersgrun...malachite after azurite b. taking up a component; e.g., talc after quartz c. replacement (austausch) of a component;...structurally sharp. After the MgCl2 experiments pure talc and/or serpentine were formed as the replacement...composition, and consisted of talc- and serpentine-type phases fitting in either the talc [Mg3Si4O10(OH)2]e willemseite...using pure MgCl2 solution the newly formed phase was talc. In addition to the replacement phases, the outer |  | | Catalog/List | | plus post 1147 ā ā ALTAITE Organ Mts, Dona Anna County, New Mexico a few silvery I mm spots in dark matrix...- - - - -~ ---1152 ā AL UNITE Marysvale, Piute County, Utah Pure orange-pink crystalline mass KAISO/4OH...OH Ix! Ā£3 lx2 Ā£6 2x2 Ā£10 34 ā ANDRADITE Benallt Mine, Lleyn Wales Pale beige fine grained mass with reddish...serpentine. Ix! Ā£5 lx2 Ā£10 38 BANALSITE Benallt Mine, Lleyn Wales Rich brown mass with approx 5 % Cymrite...Ā£15 2x2 Ā£30 Ba Na Al SiO 22 BANNISTERITE Benallt Mine. Lleyn, Wales Dark brown veinlets throughtout calcite/ |  | | Journal (issue) | | ............................................ 27 Talc - The Mineral That Won the War ...................who currently is attending a college in Harris County or a college that has a campus located in the first...first tier of counties surrounding Harris County, and who has need of a scholarship to be able to attend...Charter and IRS 501(c)3; to get HGMS better known county-wide and beyond; and to use these actions to seek...will have much more activity throughout Harris County in 2010. We did well in three HGMS Districts last |  | | Report (issue) | | of Use. Content: This Content is offered by the Province of Ontarioās Ministry of Northern Development...DĆ©veloppement du Nord et des Mines (MDNM) de la province de l'Ontario. Les recommandations et les opinions... ONTARIO DEPARTMENT OF MINES AND NORTHERN AFFAIRS TALC IN ONTARIO By D. F. Hewitt INDUSTRIAL MINERAL...be made in the following form: Hewitt, D.F. 1972: Talc in Ontario; Ontario Department of Mines and Northern...Canada Talc Industries Limited . .. . . . .,... . . ... .. .. .. ., ..... .. . 9 Henderson Mine ... |  | Meng, Yuhang, Xie, Weimin, Wu, Haiyan, Tariq, Sarwar Muhammad, Yang, Huaming (2022) Evolution of Black Talc upon Thermal Treatment. Minerals, 12 (2) 155 doi:10.3390/min12020155 | Journal (article/letter/editorial) | | minerals Article Evolution of Black Talc upon Thermal Treatment Yuhang Meng 1 , Weimin Xie 1 , Haiyan...Wu, H.; Tariq, S.M.; Yang, H. Evolution of Black Talc upon Thermal Treatment. Minerals 2022, 12, 155....+86-731-8883-0549; Fax: +86-731-8871-0804 Abstract: Black talc is a natural silicate clay mineral with a typical...black talc mine, with known reserves of one billion tons, is located in Chinaās Jiangxi province. Due...restriction of its color, the application of black talc is only limited to ceramic raw materials, coating |  | | Report (issue) | | ... FOllEIGN COUNTRIES. ā¢ WAR PERIO "I. - TALC. (1913-1919.) 0 ā¢ z ā¢ (/) (./j :) 0 IS BOOK...Ā·ā¢ f I 0 ' 17 17 18 18 1'9 5 ā¢ GENERAL. Talc Ā· is a hydrated silicate of magnesium. Ā· It has...and has a characterisit ic soapy feel. Ordinary talc is foliated, but the laminre, thol1gh flexible,...be polished. The compact, fine-grained variety of talc is known as steatite or soapstone . It is usually...va1'iety is known as potstone. . ā¢ Much of the talc or steatite of commerce is the minera,l pyrophyllite |  | | Journal (article/letter/editorial) | | Al-RICH CHROMIUM-DRAVITE FROM THE #1 MINE, BALMAT, ST. LAWRENCE COUNTY, NEW YORK Marian V. LUPULESCUĀ§ New...phlogopite, and fluorapatite in talc ā tremolite ā cummingtonite schist at the #1 mine at Balmat in the Adirondack...Adirondack Lowlands, St. Lawrence County, New York. The mineral occurs as small (up to 0.5 mm) dark green...chromium-dravite + tremolite + quartz Ā± phlogopite Ā± talc Ā± fluorapatite probably formed during regional metamorphism...schiste contenant lāassemblage talc ā trĆ©molite ā cummingtonite Ć la mine #1 Ć Balmat, Basse-Terres des |  | | Report (issue) | | amount of iron and layer-bonding imperfections. For talc and the chlorites, the perpendicular and parallel...serpentine suggests that pyrophyllite belongs with the talc-chlorite group and that serpentine is closer to...Translucent. Talc (Steatite)...... 29.0 29.8 ||/R JI/R 2.73 2.73 29 29 25 100 397 Talc (Steatite)...(Steatite)...... 23.8 ||/R 2.75 31 50 Talc................. 7.1 A 2.79 30 170 Soapatone.............Pressure (bars) 100 100 2.69 2.69 2.72 2.72 11.7 Talc (Steatite) MgjSiĀ»0 10 (OH) 2 . ature CC) 29 25 |  | | Book | | non-metalllo deposits in Czechoslovakia, mainly of talc, magneslte, kaolin and clay, by visits to deposits...industry in variously prepared forms of minerals (e.g. talc, asbestos, diamond) or rooks (e.g., diatomaceous..."ore" is also employed, for example, for asbestos, talc, magnesite and similar raw materialsĀ· Some raw materials...minerals, pyriteĀ» apatite, graphite, asbestos and talcĀ· The heat of an intrusion heats the roof rocks over...(alteration of ultrabasites into Caf Mg and Pe carbonates, talc and quartz), talcization, alunitization, fluoritization |
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