 | | Journal (article/letter/editorial) | | the Ashe Metamorphic Suite of northwestern North Carolina, USA Loren A. Raymond, Arthur Merschat & R. Kelly...the Ashe Metamorphic Suite of northwestern North Carolina, USA, International Geology Review, 58:7, 874-912...the Ashe Metamorphic Suite of northwestern North Carolina, USA Loren A. Raymonda, Arthur Merschatb and R...State University, Boone, NC, USA; bUS Geological Survey, Reston, VA, USA; cDepartment of Geology and Geography...Geography, Georgia Southern University, Statesboro, GA, USA ABSTRACT ARTICLE HISTORY Metaultramafic rocks |  | Karmakar, Shreya, Mukherjee, Subham, Sanyal, Sanjoy, Sengupta, Pulak (2017) Origin of peraluminous minerals (corundum, spinel, and sapphirine) in a highly calcic anorthosite from the Sittampundi Layered Complex, Tamil Nadu, India. Contributions to Mineralogy and Petrology, 172 (8) doi:10.1007/s00410-017-1383-8 | Journal (article/letter/editorial) | | al. 1999), Rupaha, SriLanka (Fernando 2001), Buck Creek, southern Appalachians (Tenthorey et al. 1996)...the boundary of pargasite (sample S160) and tschermakite (sample S140) compositional fields (Fig. 4a)...K)A < 0.50 (a) Sk Pargasite Sk S-160 S-140 Tschermakite (Na + K)A < 0.50 BC 0.5 0.5 Ferropargasite...> 0.50 Ferroedenite (Na + K)A > 0.50 VFMC Tschermakite Ferroactinolite 0 8.0 Ferrohornblende (Na... southern Madagascar (Raith et al. 2008); BC Buck Creek, southern Appalachians (Tenthorey et al. 1996); |  | BERGER, J., FÉMÉNIAS, O., OHNENSTETTER, D., PLISSART, G., MERCIER, J.-C. C. (2010) Origin and tectonic significance of corundum-kyanite-sapphirine amphibolites from the Variscan French Massif Central. Journal of Metamorphic Geology, 28 (3) 341-360 doi:10.1111/j.1525-1314.2010.00866.x | Journal (article/letter/editorial) | | nematoblastic high-Al amphibole (pargasite ⁄ tschermakite, Mg#: 80–98; Fig. 5c, Table 4) in association...(2005) has been tested but it gives too low a tschermakite activity (0.01–0.03) and a high tremolite activity...amphibole associated with corundum and kyanite. The tschermakite activity values (0.20– 0.35) computed with the...of sapphirine. Reference compositional fields: Buck-Creek Variscan ophiolitic complex (Tenthorey et al...chosen for simplicity. The phases used were tschermakite, anorthite (both in excess), gedrite, spinel |  | CRUCIANI, G., FRANCESCHELLI, M., GROPPO, C., BROGIONI, N., VASELLI, O. (2008) Formation of clinopyroxene + spinel and amphibole + spinel symplectites in coronitic gabbros from the Sierra de San Luis (Argentina): a key to post-magmatic evolution. Journal of Metamorphic Geology, 26 (7) 759-774 doi:10.1111/j.1525-1314.2008.00786.x | Journal (article/letter/editorial) | | symplectite in mafic rocks from the Buck Creek ultramafic body, North Carolina, and from the Ulten zone, Italy...ranges in composition from Mg-hornblende to tschermakite. Am2 is tremolite with XMg = 0.89 and Altot...Amphibole porphyroblasts (Am3) are Mg-hornblende to tschermakite with XMg = 0.80. The core of these porphyroblasts...and Cpx + Spl symplectites in the rocks from Buck Creek California. However, the microstructural features...symplectites in metatroctolites from the Buck Creek ultramafic body, North Carolina Blue Ridge. American Mineralogist |  | | Journal (article/letter/editorial) | | for the Gladesville and Associated Bodies in the Carolina Superterrane in Central Georgia, Southern Appalachians...Geography, University of North Carolina at Pembroke, Pembroke, North Carolina 28372, USA ABSTRACT Terrestrial...Hillsboro, Juliette, Holly Grove, and Berry Creek bodies in the Carolina superterrane of the southern Appalachians...wt% MgO for the Gladesville, Hillsboro, and Berry Creek bodies, with the Juliette and Holly Grove bodies...Amphiboles from the investigated bodies are tschermakite, magnesiohornblende, and pargasite, and they |  | Chowdhury, P., Talukdar, M., Sengupta, P., Sanyal, S., Mukhopadhyay, D. (2013) Controls of P-T path and element mobility on the formation of corundum pseudomorphs in Paleoproterozoic high-pressure anorthosite from Sittampundi, Tamil Nadu, India. American Mineralogist, 98 (10) 1725-1737 doi:10.2138/am.2013.4350 | Journal (article/letter/editorial) | | anorthite + amphibole (magnesiohornblende to tschermakite to pargasite) + clinozoisite (C1PACz) developed...the field of tschermakite with a few data straddling the boundary between tschermakite and magnesiohornblende...Tsch Tschm 2+ Note: XMg = Mg/(Mg + Fe ); Tsch = tschermakite, MH = magnesiohornblende, Parg = pargasite....path Amm and Ammx represent compositions of tschermakite developed close to SCP and in the matrix, respectively...symplectites in metatroctolite from the Buck Creek ultramafic body, North Carolina Blue Ridge. American Mineralogist |  | GALLIEN, F., MOGESSIE, A., HAUZENBERGER, C. A., BJERG, E., DELPINO, S., CASTRO DE MACHUCA, B. (2012) On the origin of multi-layer coronas between olivine and plagioclase at the gabbro-granulite transition, Valle Fértil-La Huerta Ranges, San Juan Province, Argentina. Journal of Metamorphic Geology, 30 (3) 281-302 doi:10.1111/j.1525-1314.2011.00967.x | Journal (article/letter/editorial) | | symplectite commonly consist of aggregates of tschermakite ⁄ pargasite, hosting elongated rods of spinel...scheme (Mogessie et al., 2004) amphibole is a tschermakite– pargasite solid solution with AlIV ranging...0.58), diopside (asp = 0.53), (adi = 0.77), tschermakite (ats = 0.08) (activity correction was done to...except tschermakite (ats = 0.08). The mineral chemistry of amphibole suggests a tschermakite activity...activity <0.08. However a lower tschermakite activity would stabilize tschermakite to unreasonably high temperatures |  | | Journal (article/letter/editorial) | | Florida, 4202 East Fowler Avenue, Tampa, FL 33620, USA Ashley 1977; Ebensen 1978; Van Lamoen 1979; Zeck...contact Pl. Amphibole is absent at OM-Cpx contact (North-Eastern part of the image). Brown amphibole forms...diopside (di = 0.47) and tschermakite (ts = 0.03). Other than tschermakite, activity corrections were...Powell 2003, 2015). Gallien et al. (2012) fixed tschermakite activity for their calculation as 0.08, though...unreasonably high temperature estimation for tschermakite stabilization with the actual data. We also |  | Giuliani, Gaston, Groat, Lee, Fallick, Anthony, Pignatelli, Isabella, Pardieu, Vincent (2020) Ruby Deposits: A Review and Geological Classification. Minerals, 10 (7) 597 doi:10.3390/min10070597 | Journal (article/letter/editorial) | | Aappaluttoq southwest Greenland. Photo: Courtesy True North Gems Inc.Photo: (Vancouver, BC, True Canada). deposit...deposit, southwest Greenland. Courtesy North Gems Inc. (Vancouver, BC, Canada). Over lastdecade, decade...(23) North Carolina (Corundum Hill; Cowee Valley; Buck Creek); (24) Montana (23) North Carolina (Corundum...Hill; Cowee Valley; Buck Creek); (24) Montana (Rock Creek). Canada: (Rock Creek). Canada: (25) Revelstoke...(Fiskenæsset district-Aappaluttoq); North of Aappaluttoq); North of Nuuk (Storø; Kangerdluarssuk). Switzerland: |  | Berger, Julien, Diot, Hervé, Lo, Khalidou, Ohnenstetter, Daniel, Féménias, Olivier, Pivin, Marjorie, Demaiffe, Daniel, Bernard, Alain, Charlier, Bernard (2013) Petrogenesis of Archean PGM-bearing chromitites and associated ultramafic–mafic–anorthositic rocks from the Guelb el Azib layered complex (West African craton, Mauritania) Precambrian Research, 224. 612-628 doi:10.1016/j.precamres.2012.10.005 | Journal (article/letter/editorial) | | Sciences, Massachusetts Institute of Technology, USA b a r t i c l e i n f o Article history: Received...10.005 been recognized and well studied in the North Atlantic craton (the 2.97 Ga Fiskenaesset complex...Spl-amphibolite 34 28 Ma 50 60 70 80 90 100 621 tschermakite (Mg#: 84–96; IV Al: 0.9–1.7 p.f.u.). Amphibole...calculations and thermodynamic modelling 90 Mg# 80 tschermakite (Na+K) <0.5 or pargasite (Na+K) >0.5 actinolite...u.) 2.0 1.6 IV Al (p.f.u.) 1.4 1.2 1.0 tschermakite sub. 1.8 Amp-anorthosite Leuco-amphibolite |  | Wang, Kandy K., Graham, Ian T., Lay, Angela, Harris, Stephen J., Cohen, David Ronald, Voudouris, Panagiotis, Belousova, Elena, Giuliani, Gaston, Fallick, Anthony E., Greig, Alan (2017) The Origin of A New Pargasite-Schist Hosted Ruby Deposit From Paranesti, Northern Greece. The Canadian Mineralogist, 55 (4) 535-560 doi:10.3749/canmin.1700014 | Journal (article/letter/editorial) | | termed PAR-1 and PAR-5) located near Paranesti, north eastern Greece have been systematically studied...little-known Paranesti corundum/ruby occurrences of north-eastern Greece. We present detailed in situ LAICP-MS...Shear Zone of the Rhodope Mountain Complex (RMC) in north-eastern Greece (Fig. 1). The Paranesti area is defined...Ricou et al. 1998, Barr et al. 1999). The complex north-dipping nappe stacking of the RMC developed during...few hundred meters and a few kilometers to the north. Geological characteristics of PAR-1 Petrographic |  | | Book | | Enterprises, PO Box 213, Livermore, California, 94551, USA. Because of space limitations, only a subset of the...Hidden Valley Road, Kingsport, Tennessee, 37663, USA. The authors appreciate the advice and kind assistance...City, Nevada, USA; Peter Embrey, London, England; Jessie Hardman, Long Beach, California, USA; and Barbara...Barbara Nichols, Livermore, California, USA. All of these colleagues made helpful comments and substantive...Enterprises PC Box 213 Livermore California 94551 USA Elemental Table “Element” Aluminum Amide Ammonium |  | | Journal (article/letter/editorial) | | Sciences, Stanford University, Stanford, CA 94305, USA ABSTRACT Early Palaeozoic kyanite–staurolite-bearing...In the spinel–gabbro field, the Al content (Ca-tschermakite component) of clinopyroxene is higher than that...of sapphirine-bearing metatroctolites from the Buck Creek ultramafic body, southern Appalachians. Journal |  | | Journal (article/letter/editorial) | | Amphibole composition ranges from Mg-hornblende to tschermakite with Si of ~6.6 a.p.f.u. and XMg = 0.84–0.86...metatroctolite were reported by Lang et al. (2004) from North Carolina. The authors assumed formation of orthopyroxene...amphibole/spinel symplectites in metatroctolites from the Buck Creek ultramafic © 2015 John Wiley & Sons Ltd CORONA... CORONA TEXTURES IN METATROCTOLITE 15 body, North Carolina Blue Ridge. American Mineralogist, 89, 20–30 |  | | Book | | variety amethyst, sceptre habit, Denny Mountain, King County, Washington, U.S.A. / Photo by Ken Mayer Production...organic geochemistry. Green River Formation, Uinta County, Utah, U.S.A. Trudell, L.C. (1970): Lithologic...Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. McDonald, AM. & Chao, G.Y. (1994):...Abernathy, operator of the Fumerole mine, Emery County, Utah, U.S.A., who found the first braunite. Mount...agardite-Y. Ahlfeldite Red Cloud mine, Lincoln County, New Mexico, U.S.A. NiSeOQ3¢2H20, mon., P2;/n |  | Sengupta, P., Bhui, U. K., Braun, I., Dutta, U., Mukhopadhyay, D. (2009) Chemical substitutions, paragenetic relations, and physical conditions of formation of hogbomite in the Sittampundi layered anorthosite complex, South India. American Mineralogist, 94 (11) 1520-1534 doi:10.2138/am.2009.3121 | Journal (article/letter/editorial) | | straddle the boundary between pargasite and tschermakite. Chlorite is clinochlore (XMg = 0.81 to 0.85;...symplectites in metatroctolite from the Buck Creek ultramafic body, North Carolina Blue Ridge, U.S.A. American Mineralogist |  | | Book (volume) | | tH MSTONESof - NORTH AMERICA ~ VOLUME olor phot raphs yo. Erica and. Harol d Van I [iL Albuquerque...87109 N.M. N_E. Bivd. Gkapats GEMSTONES of NORTH AMERICA ~ NASMI EPPA GEMSTONES OF THE WORLD...+ GEMSTONES OF NORTH AMERICA, by John Sinkankas ON@“THE VOLUME III COVER North American gems from...Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75 | | | Book (volume) | | GElV!§TONE§ (())f NORTH AMERRCA VOLUME III GElV[§TONE§ OF TXiE ,voRLD §ERIE§ SERIES EDITOR... GEMSTONES OF NORTH AMERICA, VOLUME III by Joh11 Sinkankas ON ~rf-IE co ·vER North An1erican gems...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...and pinkish purple (I .3 5 et). GEMSTONE§ (O)f NORTH AMERICA VOLUME III John Sinbanbas Colar Photography...Qurrli~y Books, Inc.) Sinkankas, John. Gen1stones of North An1erica. Vol. III/ John Sinkankas. p. cm. lncludes |  | | Journal (article/letter/editorial) | | Fisher Lake orbicules and comb layers (Sierra Nevada, USA) Anders McCarthy1 · Othmar Müntener1 Received: 23...is similar to the F e3+/Fetot of 0.22 of a tschermakite synthesized at nickel–nickel oxide (NNO) in...symplectites in metatroctolites from the Buck Creek ultramafic body, North Carolina Blue Ridge. Am Miner 89(1):20–30...subvolcanic plumbing systems (Fisher Lake, Sierra Nevada, USA). J Geophys Res Solid Earth 121(12):8595–8621. doi:10...from Fisher Lake orbicules (Sierra Nevada, Western USA). J Petrol 57(10):2011–2052. doi:10.1093/petrology/egw068 |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...localities of magmatic origin (in the sequence North and South America and Greenland, then Europe, Asia...those of pegmatitic origin in the same sequence: North and South America and Greenland, then Europe, etc...mineralogie et de cristallographie CCM - Clays and Clay Minerals ChE- Chemie der Erde (Jena) CM - Canadian |  | | Book | | NAIROBI DAR ES SALAAM CAPE TOWN Published in the USA by Oxford University Press, New York 2 Filmset...Filmset in ‘Monophoto’ Times 10 on 11 pt by Richard Clay (The Chaucer Press) Ltd, Bungay, Suffolk and printed...(Akatoreite). Orange-brown sheaves of prisms from Akatore Creek, Dunedin, New Zealand, are anorthic, a 8-344, b...Veniale and H. W. van der Marel, 1969. [Proc. Int. Clay Conf., Tokyo, 1, 233], abstr. A.M., 57, 598. A regularly...Si02]. Named from the locality, Alleghany County, North Carolina. [M.A., 5, 50.] 13th List [Wales; M.M. |  | | Book (edition) | | Lincoln. Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For...Photo Editor: Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD...Journal of the Mineralogical Association of Canada. Clay Mineralogy, by R. E. Grim (McGraw-Hill, 1968). Crystal...light; the bands move as the mineral is turned. clay (1) A mineral fragment having a diameter less than...1/256 mm; (2) a sediment having a predominance of clay-sized particles; (3) a mineral group of phyllosilicates |  | | Book (edition) | | Smith, Geological Society of America, Memoir 122. "Clay Mineralogy," by R. E. Grim (McGraw-Hill, 1968)....light; the bands move as the mineral is turned. clay ( l) A mineral fragment having a diameter less than...diameter, usually composed of calcium carbonate or clay-ironstone; often hollow or transected by veins of...the Fuernrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated in uraniferous...in the Cave Hills and Slim Buttes areas, Harding County, South Dakota. BEST REF. IN ENGLISH: Thompson, |  | | Book | | awarded a PhD in Geology at James Cook University of North Queensland in 1982. His research has focused on...Bureau of Mines, mineral dealers and miners from MT, USA, sapphire fields. The sample sets included rubies... but also from more limited sources in Montana, USA. Transitional pink sapphires from Sri Lanka and Montana...polysynthetic twinning, common in sapphires. Montana, USA, sapphire and ruby suites cover a number of spaced...calculations at the Berkeley Geochronology Centre, USA. Minimum entrapment pressures for rutiles in rubies | | | Book (edition) | | Willard Lincoln. Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere...Journal of the J\1ineralogical Association of Canada. Clay Mineralogy, by R. E. Grim (NlcGrav1-H ill, 1968)...light; the bands move as the mineral is turned. clay (1) A mineral fragment having a diameter less than...1/256 mm; (2) a sediment having a predominance of clay-sized particles; (3) a mineral group of phyllosilicates...diameter, usually composed of calcium carbonate or clay-ironstone; often hollow or transected by veins of |
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