 | | Report (issue) | | Hercynite Cubic. Point Group: 4/m 321m. Massive, granular, or embedded in other minerals. Twinning: On...Pittsylvania Co., Virginia; and from Rice, near San Carlos, Gila Co, Arizona, USA. From Cuauhternoc, Chihuahua...powder diffraction profile refinement of synthetic hercynite. Amer. Mineral., 69, 937 942. (5) Larsson, L....Anncrsten (1994) Crystal chemistry of synthetic hercynite (FeAI204) from XRD structural refinements and |  | | Book | | huge petrified logs in the Petrified Forest in Arizona. The silicification of wood has traditionally been...staurolite porphyroblasts pseudomorphed by a hercynite-rich assemblage that includes ferrogedrite, s...schematically exemplified by the reaction, staurolite / hercynite þ gedrite þ Al-silicate þ quartz þ melt (Fig....cooling. Microstructural evidence points to the hercynite having formed first together with melt. This was...staurolite schist xenolith with the formation of hercynite and melt (glass) along cracks, grain boundaries |  | | Journal (article/letter/editorial) | | address: Chemistry Department, Arizona State Univer- sity, Tempe, AZ 85287, USA ** Appendix I contains a list...cordierites, with sillimanite and/or green zincian hercynite inclusions (Fig. 11 b), are low P replacements...cordierite including numerous octahedra of zincian hercynite, +pol., sample 9326 discoid felsic inclusions...plagioclase and quartz plus accessories such as hercynite, ilmenite, rutile, pyrrhotite, apatite, zircon...seen in certain volcanic (and granitoid) suites. Rice and Eichelberger (1976) showed that, in some cases |  | | Journal (article/letter/editorial) | | explain the mafic-rich composi- along the fault (Rice, 2006), and is considered as a direct geological...plagioclase (40–45%), and quartz (5–10%). These (e.g., hercynite) and other Fe-oxides around relict mineral clasts...melt phase. Viscous flow of melts around which hercynite grains have crystallized (Figure 4f). Inter- ...different chemical compositions) has estingly, these hercynite grains are not found as free phase within produced...spinels without any relict clast (PPL); (f) small hercynite grains crystallized along the margin of relict |  | HIROI, Y., KISHI, S., NOHARA, T., SATO, K., GOTO, J. (1998) Cretaceous high‐temperature rapid loading and unloading in the Abukuma metamorphic terrane, Japan. Journal of Metamorphic Geology, 16 (1) 67-81 doi:10.1111/j.1525-1314.1998.00065.x | Journal (article/letter/editorial) | | rocks consisting of staurolite, sillimanite, hercynite, almandine, corundum, plagioclase, biotite, ilmenite...staurolite is extensively replaced by sillimanite, hercynite and almandine and therefore the following staurolite–terminal...quartz has taken place. Staurolite=sillimanite+hercynite+almandine+H O . 2 The significance of textural...5 Textural features of corundum, sillimanite, hercynite, almandine and staurolite in the Takanuki Series...generations of the lower-pressure sillimanite+hercynite assemblage formed before and after the higher-pressure |  | | Journal (article/letter/editorial) | | depths (Hensen & Green, 1973; Waters, 1991). Hercynite is, however, not found in mutual contact with...poikiloblastic garnets. The presence of quartz and hercynite as inclusions in both garnet and sillimanite suggests...grossular-enriched overgrowths on garnet, late hercynite suggest staurolite as precursors. Presuming a...ACKNOWLEDGEMENTS Constructive reviews by B. Hensen and A. H. N. Rice are gratefully acknowledged. We thank B. Robins...Geological Magazine, 126, 207-226. Atkin, B. P., 1978. Hercynite as a breakdown product of staurolite from within |  | | Journal (article/letter/editorial) | | Geophysics, University of Wisconsin, Madison, W1 53706, USA Abstract. In granulite-facies samples from the Adirondack...Texas A&M University, College Station, TX 77843, USA Offprint requests to: W.M. Lamb tacharya and Sen...samples, (2) wollastonite-bearing samples, and (3) hercynite-bearing samples. ~-AS-I ] Fig. 1. Exposure of...wollastonite were collected (see Table 1). The hercynite-bearing samples are located adjacent to the western...containing magnetite +ilmenite, wollastonite, or hercynite. Fluid inclusion analyses and mineralogy are from |  | | Journal (article/letter/editorial) | | Virginia. The Chesteremery depositsin Hampden County, Massachusetts, have been traced for several miles...spinel emery--a mixture of spinel (pleonas•e-hercynite),co rundum,and magnetite. The Grecian,Turkish...Anns., •9•, vol. 2•, pp. •-86. Berkey, C. P., and Rice, M., N.Y. State Mus. Bull., Nos. 225, 226,,1921...schist,Bennettbarite mine near Toshes,Pittsylvania County, Virginia. (Penniman & Browne, analysts.) Altered... II. I00.00 I00.00 Spinel from Pittsylvania County, Virginia, rock emery. George Steiger, analyst |  | | Journal (article/letter/editorial) | | mine, Caceres, Spain, montebrasite, 414. Amelia County, Virginia, albite, I56; - - , anal., d2o i, 489...Bialite, Congo, is wavellite, I23. Bideauxite, Arizona, anal., opt., cryst., X-ray, 637. Biella, Piemonte...X-ray, 48o; and see Heulandite. Clinopyroxene, Arizona, anal., 317; meteoritic, anal., opt., X-ray, 649;...cordierite glasses, 77I. 976 ALPHABETICAL Diopside, Arizona, anal., 333; New Zealand, opt., anal., 375; Uganda...945; A muscovite-paragonite geothermometer, 693. Hercynite, New Zealand, 375. Heterogenite, cuprian, Chile |  | Goodrich, Cyrena Anne, Treiman, Allan H., Filiberto, Justin, Gross, Juliane, Jercinovic, Michael (2013) K2O-rich trapped melt in olivine in the Nakhla meteorite: Implications for petrogenesis of nakhlites and evolution of the Martian mantle. Meteoritics & Planetary Science, 48 (12) 2371-2405 doi:10.1111/maps.12226 | Journal (article/letter/editorial) | | Institute, 1700 E. Ft. Lowell, Suite 106, Tucson, Arizona 85719, USA Department of Geosciences, University of...Massachusetts 01003, USA 3 Lunar and Planetary Institute, 3600 Bay Area Blvd, Houston, Texas 77058, USA 4 Department...Illinois University, Carbondale, Illinois 62901, USA 5 Department of Earth and Planetary Sciences, American...Museum of Natural History, New York, New York 10024, USA * Corresponding author: E-mail: cgoodrich@psi.edu...(Lunar and Planetary Laboratory, University of Arizona), Cameca SX-100 (American Museum of Natural History) |  | Filiberto, Justin, Treiman, Allan H., Giesting, Paul A., Goodrich, Cyrena A., Gross, Juliane (2014) High-temperature chlorine-rich fluid in the martian crust: A precursor to habitability. Earth and Planetary Science Letters, 401. 110-115 doi:10.1016/j.epsl.2014.06.003 | Journal (article/letter/editorial) | | Carbondale, IL 62901, USA Lunar and Planetary Institute, Houston, TX 77058, USA c Illinois State University...Normal, IL 61790-4400, USA d Planetary Science Institute, Tucson, AZ 85719, USA e American Museum of Natural...Natural History, New York, NY 10024, USA b a r t i c l e i n f o Article history: Received 17 April...(Goldsmith, 1976; Mora and Valley, 1989; Rebbert and Rice, 1997). It is less common as a primary igneous phase...(Ellis, 1978; Mora and Valley, 1989; Rebbert and Rice, 1997). J. Filiberto et al. / Earth and Planetary |  | | Journal (issue) | | crystals; articles on gold producing areas cover Arizona, California, Nevada, and South Africa. Also, a...testing gold. Major areas covered include Southeast USA, California, Australia, Canada to Alaska, Britain...specimen appeared to be dirty prehnite encrusted with "rice grain" calcite crystals but to be sure a small fragment...nine-pound garnet and a 34-carat diamond - all from the USA ? Maybe you're more interested in Czech opals, minerals...Minerals, Fossils, Meteorites in Tucson at the . ARIZONA MINERAL ~ FOSSIL SHOW I JAN. 31 - FEB. 14, 2004 |  | | Journal (article/letter/editorial) | | 1959; Ehrlich, Rice and Ellis, 1955; Gravenor and Bayrock, 1961; Pawluk, 1961; Rice, Forman and Patry...fraction was recovered by freeze-drying (Brydon, Rice and Scott, 1963). The particle shape and size of...equipment similar to that described by Morita and Rice (1955). The operating conditions were: temperature...Cor.: Cordierite; Crist.: Cristobalite; Hercy.: Hercynite. - Products in fired materials Exothermic ...detected in samples SME22 and SMC44, and a trace of hercynite was recognized in samples P4608 and SMH18. The |  | | Journal (article/letter/editorial) | | pm)inclusionsin leucite Aluminousspinels(pleonaste-hercynite) phenocrysts(and pseudomorphs)in leucitelamproitesfrom...polarizedlight and isotropy grained lamproites of Rice (formerly Moulamen) Hill and undercrossedpolarizers...coalesced aggregates of brownish black subhedra of hercynite included within aggregated leucite phenocrysts(Fig...lesserextent between Mg and Xp".r. The brownish black hercynite inclusions of sample 7lM9A are compositionally...being Fig. 2. Photomicrograph of aggregated hercynite inclusions in clustered leucite phenocrysts, |  | | Journal (article/letter/editorial) | | sherds classified within this fabric include hercynite. Figure 3 shows a representative diffractogram...amount of plagioclase (c) and >900 ◦°C C when hercynite is forming particularly in a reducing atmosphere;...fabrics are represented for this range, with when hercynite is forming particularly in a reducing atmosphere;...Albite (Ab); Anorthite (An), Maghemite (Mgh) and Hercynite (Hc). Minerals 2021, 11, 428 8 of 22 At the...remaining is incorporated in the spinel mineral hercynite. This reaction provides evidence for strongly |  | | Journal (article/letter/editorial) | | In addition, the Corp.,content St. Joseph, MI, USA) reflected the results of previous [36,41]. carbon...41]. major minerals. LECO Corp., St. Joseph, MI, USA) the of mortar previous Furthermore, clay-sized were...respectively. vanced A25, Bruker, Billerica, MA, USA) operated by the Department Geological The X-ray...minerals. For vanced A25, Bruker, Billerica, MA, USA) operated by the Department of Geological Sci◦ (2θ)...fragment 3). ◦ C [47], were detected. Conversely, hercynite, a minerals, which started to melt above 1100 |  | Ortega-Gutiérrez, Fernando, Elías-Herrera, Mariano, Gómez-Tuena, Arturo, Mori, Laura, Reyes-Salas, Margarita, Macías-Romo, Consuelo, Solari, Luigi A. (2012) Petrology of high-grade crustal xenoliths in the Chalcatzingo Miocene subvolcanic field, southern Mexico: buried basement of the Guerrero-Morelos platform and tectonostratigraphic implications. International Geology Review, 54 (14) 1597-1634 doi:10.1080/00206814.2011.649956 | Journal (article/letter/editorial) | | This article was downloaded by: [Fondren Library, Rice University ] On: 01 September 2012, At: 16:38 Publisher:...Luigi A. Solarib Downloaded by [Fondren Library, Rice University ] at 16:38 01 September 2012 a Instituto...Guerrero terrane Cha Downloaded by [Fondren Library, Rice University ] at 16:38 01 September 2012 ulco fic...1599 98° 46′ (A) Downloaded by [Fondren Library, Rice University ] at 16:38 01 September 2012 18° 40′...stratigraphic column. Downloaded by [Fondren Library, Rice University ] at 16:38 01 September 2012 1600 F |  | | Journal (article/letter/editorial) | | magnesioferrite – magnetite and ulvöspinel – magnetite – hercynite solid solution series. Serpentine-group minerals...geothermometer of Rice (1977). Accepting that the algebraic expression found by Rice (1977) could be replaced...with the magnesite-in-calcite geothermometer of Rice (1977) as 399–449 ºC at Pietroasa, and 405–553 ºC...Armstrong ed.). San Francisco Press, pp. 104-106. Rice, J.M., 1977. Progressive metamorphism of impure...(left) and ulvöspinel (TiFe2+2O4) – magnetite – hercynite (Fe2+Al2O4) solid solution series (right). Symbols |  | | Journal (article/letter/editorial) | | GEEN1 1 LDEO, Columbia Univ., Palisades, NY 10964, USA (*correspondence: radloff@ldeo.columbia.edu) 2 Queens...11367, USA 3 University of Delaware, Newark, DE 19716, USA 4 Barnard College, New York, NY 10027, USA 5 Dhaka...Sciences, University of Michigan, Ann Arbor, MI 48109, USA Garnet, A3B2X3O12, have recently been considered...of California, Santa Cruz, Santa Cruz, CA 95064, USA (jramos@ucsc.edu, saltikov@ucsc.edu) Hexavalent chromium...Department of Geology, Miami University, Oxford, OH 45056 USA (*correspondence: rasoazc@muohio.edu) 2 Departamento |  | | Book (edition) | | Q! creonl lia OE ~| /BRA PY Muineralogy of Arizona Stope in oxide ore, Copper Queen mine, Bisbee...Peter Kresam and Richard Graeme . Mineralogy of Arizona John W. Anthony, Sidney A. Williams, and Richard...Richard A. Bideaux AN THE UNIVERSITY OF ARIZONA PRESS TUCSON, ARIZONA About the Authors... JoHN W. ANTHONY...M.S. degrees in geology from the University of Arizona and his Ph.D. from Harvard University. Following...mineralogist with the Arizona Bureau of Mines, he joined the faculty of the University of Arizona, where he rose | | | Book (edition) | | 0.C D.?~•.!~'J..~5 ~!~.~J.RY Mineralogy of Arizona Stope in oxide ore, Copper Queen tnine, Bisbee...Richard A. Bideaux THE UNIVERSITY OF ARIZONA PRESS TUCSON, ARIZONA About the Authors . .. JOHN W. ANTHONY...M.S. degrees in geology from the University of Arizona and his Ph.D. from Harvard University. Following...mineralogist with the Arizona Bureau of Mines, he joined the faculty of the Uni~ersity of Arizona, where he rose...Gem and Mineral Society, and the University of Arizona. SIDNEY A. WILLIAMS has authored or co-authored |  | | Journal (article/letter/editorial) | | Powers & Bohlen (1985) in the north-west Adirondacks, USA. In transitional granulites from Namaqualand, Waters...estimated from garnet+ordierite thermometry and hercynite-quartz stability exceed 800°C. Physical behaviour...principle, the reaction progress technique outlined by Rice & Ferry (1982) could be applied to assess fluid...mineral associations in metapelitic rocks include hercynite + quartz (Waters, 1986b), and locally osumilite...upper granulite transitlon rnetapelites: Crd = Hercynite,.+Otz biotite gneiss: widespread appearance of |  | | Journal (issue) | | Marcelo Ribeiro, Brazil Secretaries Bruce Bridges, USA Santpal Sinchawla, Thailand Board of Directors Gabriel...Bansal, Germany Warren F. Boyd, Canada Sushil Goyal, USA Henry Ho, Thailand Rakesh Jain, Hong Kong Vijay Kedia...Michelou, Colombia Ruben Bindra, USA Immediate Past President Benjamin Hackman, USA Executive Director Gary Roskin...31 W. 47th Street, Suite 1103 New York, NY 10036 USA ica@gemstone.org T: 1.212.620.0900 F: 1.212.352.9054...stakeholders in mineral supply chains. The EU and the USA have included the Guidance in their legal frameworks |  | | Book (edition) | | MINERALOGY OF ARIZONA,FOURTHEDITION V e a o_ of li rizo TI RAYMOND W. GRANT RONALD B. GIBBS...CALLAHAN THE UNIVERSITY OF ARIZONA PRESS TUCSON f -- The University of Arizona Press www.uapress.arizona...arizona.edu © 2022 by The Arizona Board of Regents All rights reserYed. Published 2022 ISBN-13: 978-0-8165-4358-8...Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones Collection...Grant, Raymond \X'.,author. Title: Mineralogy of Arizona/ Raymond W. Grant [and 4 others] ; maps and illustrations |  | | Journal (article/letter/editorial) | | (where iron is preferably accommodated), the hercynite component does not exceed 5.3 mol%. Olivine typically...Fe-Mg partitioning among marble minerals found by Rice (1977) and Bucher (19’17). The consistent Fe-Mg...these two minerals. Using the equation given by Rice (1977), based on available experimental data on...dolomite + calcil:e + forsterite + spine1 + chlorite (Rice 1977; Bucher 1977). Phbogopitc.! The composition...minerals. Reactiorl 10 (numbers consistent with Rice 1977) has very small A and B constants compared |
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