 | | Report (issue) | | pegmatite in granite, Short Tom Smith mine, Rockingham County, N. C______ ____ ____________________ ...between pegmatite and granite, E. R. Self mine, Gaston County, N. C____________________ 6. Sinuous discordant...wall, Knight mine, Rockingham County, N. C- ~ -7. Sharp hanging-wall contact, Knight mine ______ _______________...of granite underlain by schist, Hawkins mine, Stokes County, N. C _ _ _ _ _ _ __ _ _ __ _ _ _ _ _ 9....and other units in the Big Bess pegmatite, Gaston County, N. C _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ |  | | Report (issue) | | Thomaston-Barnesville District, Georgia Part 10. Outlying Deposits in Georgia GEOLOGICAL SURVEY PROFESSIONAL...Thomaston-Barnesville District, Georgia Part 10. Outlying Deposits in Georgia By E. WM. HEINRICH, MONTIS R...___ History _ _________________________________ Mine workings and mining methods _ ________ Production...________________________ Upson County ___ _ ________________________ Bell mine. _____________________________...Partridge mine. ________________________ Maze prospeets______ ___________________ Atwater mine __________________________ |  | London, D., Morgan, G. B., Paul, K. A., Guttery, B. M. (2012) Internal Evolution of Miarolitic Granitic Pegmatites at the Little Three Mine, Ramona, California, USA. The Canadian Mineralogist, 50 (4) 1025-1054 doi:10.3749/canmin.50.4.1025 | Journal (article/letter/editorial) | | GRANITIC PEGMATITES AT THE LITTLE THREE MINE, RAMONA, CALIFORNIA, USA David LONDON§, George B. MORGAN VI,...Oklahoma 73019, USA Abstract Miarolitic granitic pegmatites at the Little Three mine property near Ramona...Ramona, San Diego County, California, USA, possess a bulk composition that closely matches that of a hydrous... cooling history, field diffusion, Little Three mine, Ramona, California. Introduction The coarse grain-size...dike section from the Little Three mine, Ramona, California, USA, to derive the modal mineralogy and |  | | Journal (article/letter/editorial) | | 27858, USA 2 Department of Mineral Sciences, Smithsonian Institution, Washington, DC 20013, USA incompatible...incompatible during the evolution of magmatic melts (Taylor 1965), very scarce information on the behavior...similar to those in the well known Little Three mine of the Ramona mining district in the same Province...the Pala District, northwest San Diego County, and constitute mine operations (Fig. 1). The Pala Chief occurrence...Elizabeth R mine is part of the Oceanview pegmatite and there is another adit called Hazel W mine (Jahns and |  | | 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;...Bala Durga Gourishankar mine, Tummalatalupur, Nellore, India, microcline perthite, 135 BALDANZA(B.), LEvI-DONATI(G...Crystallization of anorthite, 78o. Bhavani Sankar mine, Tummalatalupur, Nellore, lndia, muscovite, I4O...Mingulay, Outer Hebrides, 427. BREBNER(G. G.) and TAYLOR(G.), anals, by, 338. BRETT (N. H.), Thermal decomposition |  | | Journal (article/letter/editorial) | | 166 p r o b a b l y active at some stage. In perthite-rich rocks, the orthopyroxene is interstitial...respectively, of Zr, Y and Nb. In contrast, certain perthite-rich (infracrustal) hypersthene granulites display...(Groome and Hall, 1974); and (2), Saipan dacite (Taylor et al., 1969). Typical amphibolite facies and...suites marked by a deficiency of K, the group of perthite-rich granulites represents a later intrusive event...Boulanger,1959; de la Roche,1963; Besaire,1966. Hart, 1983; K e r ~ 1982, personal Coramunlcation. Mclver |  | | Journal (article/letter/editorial) | | RoAd oCCURRENCE, wEST pIERREpoNT, ST. LAwRENCE CoUNTy, NEw yoRk. S. C. Chamberlain1, M. Walter2, and... A New Look at An Old Locality: The Chickering Mine in Walpole, NEW HAMPSHIRE. P. Cristofono1, T. Mortimer2...A56:132–48. 280 ROCKS & MINERALS The Chickering mine is located in the Keene pegmatite district of southwestern...a quartz-cleavelandite-perthite assemblage. The quartz-cleavelandite-perthite zones are the most mineralogically...Page and Larrabee, and this occurrence has made the mine of importance to mineral collectors, as colored |  | | Journal (article/letter/editorial) | | PEGMATITES FROM NORTH AMERICA AND NORWAY BRUCE E. TAYLOR* and HANS FRIEDRICHSEN Mineralogisches Institut...revised and accepted March 18, 1983) ABSTRACT Taylor, B.E. and Friedrichsen, H., 1983. Light stable...pegmatites has been published. H.P. Taylor and S. Epstein (in H.P. Taylor, 1968) indicated a range in 0 ISO...number of pegmatites of +5.5 to ~ +10.3%0' H.P. Taylor (1968) suggested that fractional crystallization...up to 2.0%0 between pegmatite dikes in San Diego County, California, U.S.A., can also be explained by exchange |  | | Journal (article/letter/editorial) | | Geology, Kent State University, Kent, Ohio 44240, USA Received 18 August 1972 Revised version received...strontium abundances in these ",dbites and in perthite and microcline from the same body are comparable...fractionation. Textural evidence for the origin of the perthite is confirmed by the geochemical evidence. 1....quartz cores_ intermediate zones of course blocky perthite, plagioclase-rich wall zones and border zones...and tile samples used in this study came from the mine dumps. This presented some problems in the interpretation |  | | Report (issue) | | COVER PHOTO : Gold nugget from Dukes Creek, White County, weight 5 oz., 12 dwt., approx. 2x. BACK COVER...approx. 1.5x. Lower left - Goethite from Pulaski County, approx. lx. Right - Magnetite crystal face showing... MINERALS OF GEORGIA: THEIR PROPERTIES AND OCCURRENCES by Robert B. Cook STATE OF GEORGIA DEPARTMENT OF............................................. 170 County Index ...........................................Page Table 1. Classification and composition of Georgia minerals . . . . . . . . . . . . . . . . . . 3 |  | | Report (issue) | | DEPOSITS OF GEORGIA CUT ON FLAT SHOALS ROAD NEAR SCHOOL HOUSE, LOT 110, 15th DJST., DeKALB COUNTY, GEORGIA...SCHIS'.r. FRONTISPIECE GEOLOGICAL SURVEY OF GEORGIA S. W. McCALLIE, State Geologist BULLETIN No....REPORT ON THE FELDSPAR AND MICA DEPOSITS OF GEORGIA BY !3. L. GALPIN, Ph. D., Assistant State Geologist... THE ADVISORY BOARD OF THE Geological Survey of Georgia IN THE YEAR 1915 (Ex-Officio) HIS ExCELLENCY,... JOHN M. SLATON ......... Governor of Georgia PRESIDENT OF 'I'HE BOARD HoN. PHILIP COOK ........... |  | | Journal (article/letter/editorial) | | world-wide locality index. The localities are listed by county, followed by a listing of the most prominent minerals...Alleghany County. Howard Freeland specimen and photo. Rutherford pegmatite in Amelia County and the Lynch...Station locality (turquoise crystals) in Campbell County, are now closed to collectors. However, landowners...(c) = currently closed to collecting Albemarle County Alberene soapstone quarry—Alberene amphiboie asbestos...pseudomorphs after pyrite, pyrite, siderite Faber lead mine—near Faber cerussite, chalcopyrite, fluorite, argentiferous |  | Vonopartis, Leonidas, Nex, Paul, Kinnaird, Judith, Robb, Laurence (2020) Evaluating the Changes from Endogranitic Magmatic to Magmatic-Hydrothermal Mineralization: The Zaaiplaats Tin Granites, Bushveld Igneous Complex, South Africa. Minerals, 10 (4) 379 doi:10.3390/min10040379 | Journal (article/letter/editorial) | | Vergenoeg fluorite mine [6,7]. was the notable, world-class, Vergenoeg fluorite mine [6,7]. Cassiterite...Strauss [27] and the closure of the Groenfontein tin mine, which is on the northern edge of the intrusion...Thus, since Strauss [27] and the closure of the mine in the early thethe main body of the andBobbejaankop...Lease been more or less Groenfontein tin 1930s, mine in early 1930s, theBobbejaankop main body of the...Geology 2. Regional Geology The Groenfontein tin mine is situated 30 km northwest of Mokopane and 2 km |  | | Journal (article/letter/editorial) | | 1971; Mackenzie et al., 1988; Cuney et al., 1992; Taylor, 1992), and some researchers have considered them...porphyry) of Finland (Haapala, 1977a) and western USA (Christiansen et al., 1986; Congdon & Nash, 1991)...feldspar is usually perthitic (string, vein and patch perthite), whereas in strongly recrystallized granite it...10/PL/IH(149/70) are from Taylor (1992), analyses 309/PL/IH and 229B/IH/68 are provided by R. P. Taylor. Other analyses...from the USA (Christiansen et al., 1986; Congdon & Nash, 1991) (Table 1 and Fig. 2c). Taylor (1992) has |  | | Journal (article/letter/editorial) | | FRACTIONATION BETWEEN HOST AND EXSOLVED PHASES IN PERTHITE Abstract: Oxygen isotope analyses of exsolved...during exsolution. Introduction The formation of perthite by exsolution of albite from potassium feldspar...of the oxygen of host and exsolved phases of a perthite it could be possible in principle to distinguish...fractionation at the temperature of exsolution (<650° C). Taylor and Epstein (1962) report isotopic differences...Ax-y is about +0.14. The differences observed by Taylor and Epstein may be in part due to fractional crystallization |  | | Journal (issue) | | world-wide locality index The localities are listed by county, followed by a listing of the most prominent minerals...pegmatite in Amelia County and the Lynch Station locality (turquoise crystals) in Campbell County, are now closed...(c) = currently closed to collecting ALBEMARLE COUNTY Alberene soapstone quarry-Alberene actinolite-tremolite...limonite pseudomorphs after pyrite, siderite Faber lead mine-near Faber cerussite, chalcopyrite, fluorite, argentiferous...topaz, tourmaline, triplite Trueheart pegmatite mine (f)-near Amelia beryl (var. aquamarine), microcline |  | | Journal (article/letter/editorial) | | Pegmatite-Aplite Dikes, San Diego Co., California Bruce E. Taylor I *, Eugene E. F o o r d 2.*, and Hans Friedrichsen...Stanford University, Stanford, California 94305, USA aAbteilung Geochemie, Mineralogisches Institut, Universit/it...Geology, University of California, Davis, CA95616, USA ** Present address: Stop 905, Branch of Central Mineral...Survey, Denver Federal Center, Denver, CO 80220, USA subsequently added to the wall rocks adjacent to...0010-7999/79/0068/0187/$03.80 188 --" ~'-'~'-,. B.E. Taylor et al. : Stable Isotope Studies of Pegmatites |  | Katzir, Y., Eyal, M., Litvinovsky, B.A., Jahn, B.M., Zanvilevich, A.N., Valley, J.W., Beeri, Y., Pelly, I., Shimshilashvili, E. (2007) Petrogenesis of A-type granites and origin of vertical zoning in the Katharina pluton, Gebel Mussa (Mt. Moses) area, Sinai, Egypt. Lithos, 95 (3) 208-228 doi:10.1016/j.lithos.2006.07.013 | Journal (article/letter/editorial) | | Geophysics, University of Wisconsin, Madison WI53706, USA Received 5 September 2005; accepted 17 July 2006...albite–alkali feldspar (Ab–Afs) granite and an uppermost perthite granite. These two varieties are chemically indistinguishable...caused increase of PH2O in the magma below the perthite granite zone. Owing to the presence of F and Ca...its SW part) consist of perthite granite. The maximum thickness of the perthite granite zone is more than...(2007) 208–228 The 300–500 m thick zone below the perthite granite is made up of albite–alkali feldspar (Ab–Afs) |  | | Journal (article/letter/editorial) | | coarse-grained assemblage of quartz-actinolite-perthite (the Bugoy pegmatite) formed as an apophysis on...Trachyandesite lavas 16 °2 F2 0 F1 16 °2 1’N 500 m Mine T North No rue rth F3 Outline of Figure 8 Andesitic...magnetite, ol = olivine, ortho = orthoclase, perth = perthite, phenos = phenocrysts, plag = plagioclase, qz...30 cm in length and are hosted in a K feldspar (perthite) groundmass. C) Finely laminated Balut dike. Ocillatory...alternating clinopyroxene-apatite-magnetite-rich and perthite-dominated layers. These vertical layers are oriented |  | | Report (issue) | | _____________________ Dawley Canyon area, Elko County-______--_--_------_-_-_-_-_---_-_ Location and...-----_--_---_------_ Errington-Thiel (Big) mica mine.--------------------------Other localities.____________________...______ Star mine near Harrison Pass. -__-_--__--_---__--_--_--__------White Pine County.-.__________...171 172 172 173 nt IV CONTENTS Page Pershing County.-_____________---___-____--___________-__--__---Lakeview...Ridge__---_-___-_--__________-_--_--_____._ Nye County..___________________________________ Bullfrog HiUs |  | | Journal (article/letter/editorial) | | 2004 Copyright © 2004 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/04 $30.00 ⫹ .00 Pergamon...The University of Michigan, Ann Arbor, MI 48109, USA 3 Department of Geological and Environmental Sciences...Granite) and three mineral separates (plagioclase, perthite, and biotite ⫹ chlorite) from this rock at pH...the Wind River and the Sierra Nevada Mountains (USA), we are able to show that similar isotopic patterns...1998; Brantley et al., 1998; White et al., 1999; Taylor et al., 2000a,b; Harlavan and Erel, 2002; Blum |  | | Journal (article/letter/editorial) | | Igneous Activity in the Suwannee Terrane, Southeastern USA: Petrogenesis and Gondwanan Affinities A.L. Heatherington...Sciences, University of Florida, Gainesville, FL 32621, USA (Manuscript received December 1,2002; accepted January...associations in the subsurface of Florida, southern Georgia, and southern Alabama. Thick sequences of Cretaceous...basaltic rocks of northern Florida and southern Georgia; (2) tholeiites, alkali basalts, and alkaline rhyolites...(3) high-K granite and rhyolite of southeastern Georgia and offshore northern Florida. Locations of the |  | | Journal (article/letter/editorial) | | University] On: 07 October 2014, At: 03:10 Publisher: Taylor & Francis Informa Ltd Registered in England and...1080/08120098708729425 PLEASE SCROLL DOWN FOR ARTICLE Taylor & Francis makes every effort to ensure the accuracy...contained in the publications on our platform. However, Taylor & Francis, our agents, and our licensors make no...authors, and are not the views of or endorsed by Taylor & Francis. The accuracy of the Content should not...independently verified with primary sources of information. Taylor and Francis shall not be liable for any losses |  | | Journal (article/letter/editorial) | | Abstract The Concord intrusive complex, Cabamrs County, North Carolina, consists of a large gabbro stock...Introduction The Concord intrusive complex in Cabamrs County, North Carolina, offers the best exposure of the...signatures,with average initial eN6 = 2.5 (Sando and Hart, 1982).This requires a lower crust at least as depleted...postcumulus amphibole in CPC gabbro. (c) Zoned perthite phenocryst with augite and Fe-Ti oxide inclusions...syenite. (d) Porphyritic texture in syenite, with perthite phenocrysts and groundmassofplagioclase, microcline |  | | Report (issue) | | M. Parker III, D. H. Amos, S. A. Bergman, A. R. Taylor, K. H. Teague, and others UNITED STATES GOVERNMENT...quartz or quartzperthite core. A few deposits have perthite intermediate zones or cores. More than half the...Zirconia Woodlawn 10. Rabun Buncombe 11. North Georgia, Franklin-Sylva Winston-Salem N E S S 0 ...Laurence (1951-62), F. G. Lesure (1957-62), A. K. Taylor (1955-56), K. H. Teague (1951-55), and Helmuth...southwest from south-central Pennsylvania to northern Georgia for a total distance of 570 miles (fig. 1). The |
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