 | | Journal (article/letter/editorial) | | zoning in garnet from the Willsboro Wollastonite Skarn, Adirondack Mts, New York: a record of shallow hydrothermal...Geophysics, University of Wisconsin, Madison, WI 53706, USA (coryc@geology.wisc.edu) ABSTRACT Oscillatory zoning...skarn garnet from the Willsboro wollastonite deposit, NE Adirondack Mts, NY, USA, preserves a record of...millimetre-scale oscillatory zoning of varying grossularā andradite composition (XAdr Ā¼ 0.13ā0.36). The d18O values...thick, rigid, garnetite layers. The garnet provide new information about the hydrothermal system adjacent |  | Antao, Sytle M., Zaman, Mashrur, Gontijo, Vitor L., Camargo, Eric S., Marr, Robert A. (2015) Optical anisotropy, zoning, and coexistence of two cubic phases in andradites from Quebec and New York. Contributions to Mineralogy and Petrology, 169 (2) doi:10.1007/s00410-015-1104-0 | Journal (article/letter/editorial) | | two cubic phases in andradites from Quebec and New York Sytle M. Antao Ā· Mashrur Zaman Ā· Vitor L. Gontijo...birefringent andradite garnets, ideally Ca3Fe23+Si3O12, from (1) Black Lake, Quebec (QC) and (2) Willsboro, New...New York (NY), was refined with the Rietveld method, space group Ia3d, and monochromatic synchrotron high-resolution...sample-1 has a composition of near-end-member andradite, and phase-1b is Adr91Grs9. For the NY sample-2...birefringence. The above two samples are compared to andradite samples from Arizona and Magnet Cove. Communicated |  | | Journal (article/letter/editorial) | | Copyright Ā© 1998 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/98 $19.00 1 .00 Pergamon...hydrothermal systems: The Willsboro-Lewis wollastonite ores, New York, USA PHILIP R. WHITNEY1,* and JAMES...OLMSTED2,ā 1 Geological Survey, New York State Museum, Albany, New York 12230, USA Department of Earth and Environmental...Environmental Sciences, SUNY College, Plattsburgh, New York 12901, USA 2 (Received August 4, 1997; accepted in...garnet-pyroxene skarns in the Willsboro-Lewis district, New York, USA were formed in a complex hydrothermal |  | | Journal (article/letter/editorial) | | Accepted Manuscript U-Pb geochronology of grossular-andradite garnet S. Seman, D.F. Stockli, N.M. McLean PII:...N.M. McLean , U-Pb geochronology of grossular-andradite garnet. The address for the corresponding author... ACCEPTED MANUSCRIPT U-Pb geochronology of grossular-andradite garnet S. Seman1*, D. F. Stockli1, and N. M. McLean2...Texas at Austin, TX, USA. Department of Geology, University of Kansas, KS, USA CR Corresponding author:...State University, PA, USA 1 ACCEPTED MANUSCRIPT ABSTRACT This study presents a new laser ablation-inductively |  | | Journal (article/letter/editorial) | | 53706, USA Department of Geology, Oberlin College, 52 W. Lorain St., Oberlin, OH 44074, USA a r t i...In this study, 26 garnet standards (including 14 new standards) that span the compositional range of pyrope...spessartine, and andradite were analyzed repeatedly by ion microprobe to develop a new method of correcting...grossular content in pyralspite garnets and with andradite in ugrandite garnets. Bias is correlated with...correction scheme based on the grossular and andradite compositions of garnet is proposed. This method |  | | Journal (article/letter/editorial) | | along channelways created by faulting in the Willsboro, New York, wollastonite deposit have effected the conversion...minor diopsidic clinopyroxene and grossularite-andradite garnet; (2) moderately altered rock rich in montmorillonite;...mineralogy, petrology, and genesis of the Willsboro, New York, wollastonite deposit two areas, one in highly...The Willsboro wollastonite deposit is located two miles southwest of the town of Willsboro, Essex County...County, New York (Fig. 1). The wollastonite ore body is situated on the eastern flank of the Adirondack |  | | Journal (article/letter/editorial) | | and species names in Table 1, in keeping with the new nomenclature of the garnet supergroup (Grew et al...Grossular Willsboro-Lewis skarn belt, wollastonite and clinopyroxene-bearing rocks, Willsboro, NY Almandine...garnet-phlogopite gneiss Grossular, Willsboro Mine, clinopyroxene-bearing rocks, Willsboro, NY Almandine, Barton Mine...Grossular, Willsboro-Lewis skarn belt, wollastonite and clinopyroxene-bearing rocks, Willsboro, NY Grossular...Hofmeister) Grossular, Los Angeles Museum, Bishop, Inyo County, CA (Anne Hofmeister) Almandine in mica schist |  | | Book | | MtNā¬RfllS of New Vork Stole David ā¬. Jensen Includes 16 pages of minerals in full color jgS0% MIN6RRLS... MIN6RRLS of New Vork State David E. Jensen up WARD PRESS Ward's Natural Science Establishment, Inc...Inc. Rochester, New York ā¢ Monterey, California Copyright 1978 by David E. Jensen All rights reserved...mining distri* Adirondack Mou somed into a lifet New York State. While obtainu University of Roc Science...Kay Preface This report on the Minerals of New York State is partially a sumĀ mary of published knowledge | | | Book | | T TLIBRAr 3 1223 90016 3958 of New York State David E. Jensen .. . , ,,, Includes 16 pages of...Lake in New York's Finger Lakes district. After attending Penn Yan Academy in nearby Penn Yan, New York...blossomed into a lifetime interest in the minerals of New York State. While obtaining his M.S. in geology at...the outline of New York State is LABRADORJTE from the Saranac Lake area. of New York State David E....Natural Science Establishment, Inc . ā¢ Rochester, New York ā¢ Monterey, California Copyright 1978 by David |  | | Journal (article/letter/editorial) | | 1gG8 OPTICALABSORPTION STUDIESOF GROSSULAR. ANDRADITE (van. COLOPHONITE) AND IIVAROVITE P. G. MenNrNc*...reported the optical absorption spectra of an andradite (var. colophonite), two grossularsand an uvarovite...--->aE(D)transition in Fig. 1. A very sharp band in andradite spectra at22,700 cm-l has earlier been assignedto...grossular showed weak ABSORPTION OF GROSSULAR, ANDRADITE 725 AND UVAROVITE 26,0oo m'l I t! o z @ E...MICRON9 Frc. 2. Spectrum of andradite (var. colophonite)from Willsboro County, N.Y. Thickness: 0.32mm. S-coordinate |  | | Journal (article/letter/editorial) | | presented by Hess, and upon one new orthopyroxene analysis and 7 new garnet analyses given here. It is...zones with marble, ferrosalite and grossularite-andradite skarn is developed on the marble side whereas...rocks of the Adirondack Mountains of Northern New York State has been previously published (Buddington...anorthosite and included layers of marble in the Willsboro and adjacent part of the Ausable quadrangles....anorthosite (Whiteface type) gneiss and marble near Willsboro has been previously described (Buddington, lg3g |  | Wafforn, S., Seman, S., Kyle, J. R., Stockli, D., Leys, C., Sonbait, D., Cloos, M. (2018) ANDRADITE GARNET U-Pb GEOCHRONOLOGY OF THE BIG GOSSAN SKARN, ERTSBERG-GRASBERG MINING DISTRICT, INDONESIA. Economic Geology, 113 (3) 769-778 doi:10.5382/econgeo.2018.4569 | Journal (article/letter/editorial) | | no. 3, pp. 769ā778 SCIENTIFIC COMMUNICATIONS ANDRADITE GARNET U-Pb GEOCHRONOLOGY OF THE BIG GOSSAN SKARN...Ertsberg-Grasberg mining district, on the island of New Guinea in eastern Indonesia. The skarn formed within...western edge of the 3.1 to 2.8 Ma Ertsberg diorite. Andradite garnets from eight Big Gossan samples were directly...composition of common Pb in the Big Gossan garnets. Andradite garnet U-Pb ages are compatible with district-wide...04 Ma phlogopite 40Ar/39Ar age for the skarn. The new garnet ages confirm that Big Gossan was one of the |  | Gevedon, Michelle, Seman, Spencer, Barnes, Jaime D., Lackey, Jade Star, Stockli, Daniel F. (2018) Unraveling histories of hydrothermal systems via UāPb laser ablation dating of skarn garnet. Earth and Planetary Science Letters, 498. 237-246 doi:10.1016/j.epsl.2018.06.036 | Journal (article/letter/editorial) | | Austin, TX 78712, USA Geology Department, Pomona College, Claremont, CA 91711, USA a r t i c l e i...Available online xxxx Editor: M. Bickle Keywords: andradite skarn geochronology garnet hydrothermal system...growth rates. Here we apply a new method for UāPb dating grossular-andradite (grandite) garnet via LA-ICP-MS...Pennsylvania State University, University Park, PA 16802, USA. https://doi.org/10.1016/j.epsl.2018.06.036 0012-821X/Ā©...ā¦ C though no speciļ¬c estimates for grossular-andradite garnet exists (Mezger et al., 1989; Burton et |  | | Journal (article/letter/editorial) | | National Laboratory, PO Box 808, Livermore, CA 94550, USA 2 Department of Geology and Geophysics, University...University of WisconsināMadison, Madison, WI 53706, USA A B S TR A C T High-grade metamorphic rocks were used...Orthopyroxene and clinopyroxene from Gore Mountain, New York, show a constant fractionation that is independent...Ca-poor garnet over Grs (#c. 0.5ā° at 1000 K). The new measurements are indistinguishable from expected...wollastonite mines near the villages of Lewis and Willsboro in NE New York state. All three mines are in the granulite |  | Dyar, M. D., Breves, E. A., Emerson, E., Bell, S. W., Nelms, M., Ozanne, M. V., Peel, S. E., Carmosino, M. L., Tucker, J. M., Gunter, M. E., Delaney, J. S., Lanzirotti, A., Woodland, A. B. (2012) Accurate determination of ferric iron in garnets by bulk Mossbauer spectroscopy and synchrotron micro-XANES. American Mineralogist, 97 (10) 1726-1740 doi:10.2138/am.2012.4107 | Journal (article/letter/editorial) | | Rutgers University, 610 Taylor Road, Piscataway, New Jersey 08854, U.S.A. 5 University of Chicago, Center...of the Fe2+-bearing almandine and Fe3+-bearing andradite end-members are used to characterize f in garnets...group minerals. Keywords: Garnet, almandine, andradite, grossular, Mƶssbauer spectroscopy, XANES, ferric...of the Fe2+-bearing almandine and Fe3+-bearing andradite end-members are used to characterize f in garnets...grossular, 1.31 for spessartine, and 1.29 for andradite. Woodland and Ross (1994) calculated values of |  | | Report (issue) | | W()1lasto11ilc fro111 the Lewis dcp()Sit, Willsbor(l, New Y ()rk. S111all grains of red-bro\\ 11 gar11et a11d...British Virgin Islands Canada India 51 52 Australia New Zealand Other Commonwealth Countries 53 Wollastonite...Commercial:w6llastonite, produced by Cabot Corporation, Ne~. York . facing p. 4 facing p. 4 ' PLATE II 1. Synthetic...Knoll Mine, Willsboro, New York 2. Wollastonite processing plant at Willsboro, New York Figure 1 Figure...process at Willsboro, New York Flowsheet of pilot wet magnetic beneficiation plant at Lewis, New York Flowsheet |  | | Journal (article/letter/editorial) | | impurity present in some of the grossularite and andradite specimens was removed by acid treatment. The general...reacheda peak rate about 730o. Barton Mine, I{ew York; clear red garnet (Royal Ontario Museum). The specimen...in rate. Berggiesshubel, Saxony; A specimen of andradite (variety aplome) is pale greenish yellow in color...630+ 20", is used in the tabular summary. Delaware County, Pennsylaanio; reddish brown almandite (Ward's)...brownish yellow garnet (Ward's). It is labelled andradite (polyadelphite). The garnet is intergrown, in |  | | Journal (article/letter/editorial) | | 2014 Figure 1. County map of New York State, prepared by William Besse. MAJOR NEW YORK STATE M I N E...E R A L LOC A L I T I E S N ew York State is rich in minerals of interest to collectors. A number of...Dana 1877, 1892). Herbert P. Whitlock published a New York State list in 1903. The most recent comprehensive...localities in the state is the book Minerals of New York State by David Jensen, published in 1978. Our...Mode of Occurrence Most mineral localities in New York can be categorized into three groups based on |  | | Journal (article/letter/editorial) | | the American Federation. HENRY B. GRAVES President New American Federation Officers Elected at the American...Lynchburg, Va. The Chautauqua County Gem and Mineral Society, of Dunkirk, New York The Highlands Mineral Society...Society, of Richmond Hill, Long Island, N. Y. Moore County Rockhounds Club, Inc., of Pinehurst, N. C. Northland... of Lake Placid, New York Westchester Mineral and Gem Society, of Yonkers, New York What Goes W i t h...Mineralogical Society, of Connecticut, are working on a new project, assembling a collection of Connecticut minerals |  | | Journal (article/letter/editorial) | | crystalline inclusions in the garnet. Grossularite and andradite were found to have a much lower D2 temperature...takes place at approximately 600- 700'c. When a new technique is developed to study an old problem, there...there arisesa choice of methods of use of the new data. One may set out to test each of the older hypotheses...or one may build a new set of internally consistent hypotheses to satisfy the new data. fn the field...garnet and green hornblende from the Barton Nline, New York, were previously reported to have a high temperature |  | | Journal (article/letter/editorial) | | WA 99164-2812, USA c Department of Geology, Smith College, Northampton, MA 01063, USA Istituto Nazionale...for garnets from the Crown Jewel Au-skarn deposit (USA), discusses the factors controlling incorporation...deposit range from Adr30Grs70 to almost pure andradite (Adr>99). Fe-rich garnets (Adr>90) are isotropic...data (e.g., Hmixing) in gros1 Ć¾1 1 Ć¾1 sularāandradite mixtures suggest preferential incorporation of...of 20 nA, a beam diameter of 5 lm, and using andradite (Si, Ca, and Fe), spessartine (Mn and Al), diopside |  | Baghban, Saeid, Hosseinzadeh, Mohammad Reza, Moayyed, Mohsen, Mokhtari, Mir Ali Asghar, Gregory, Daniel David, Mahmoudi Nia, Hosein (2016) Chemical composition and evolution of the garnets in the Astamal Fe-LREE distal skarn deposit, Qara-DaghāSabalan metallogenic belt, Lesser Caucasus, NW Iran. Ore Geology Reviews, 78. 166-175 doi:10.1016/j.oregeorev.2016.02.020 | Journal (article/letter/editorial) | | almandine content increases with increasing grossular/andradite ratio and increasing substitutions of Al for Fe3+...typically disseminated and has the same relief as andradite. The Cu content increases while Ni content decreases...with increasing almandine content and decreasing andradite content, indicating that the almandine structure...containing relatively more Fe2+, is more suitable than andradite and grossular to host divalent cations such as...garnet II is positively correlated with increasing andradite content, total Fe, and decreasing almandine content |  | | Journal (article/letter/editorial) | | younger Grt II (both belong to the grossular-andradite solid solution) are distinguishable: Grt II (Adr69...we present new U-Pb and trace element data for two U-rich garnet types from Beiya. Our new data are integrated...garnet samples belong mostly to the grossular-andradite solid solution. Grt I ranges in composition from...Total Almandine Spessartine Pyrope Grossular Andradite Sample 3.172 0.000 0.270 0.000 1.385 0.275 0...Total Almandine Spessartine Pyrope Grossular Andradite 0.000 0.546 0.000 1.365 0.042 0.026 0.023 2.953 |  | Sun, Bin, Liu, Yi, Yan, Yongfeng, Ye, Lei, Chen, Gang (2022) Metallogenic Mechanism and Geodynamic Background of the Changāan Chong Cu-Mo Deposit in Southern Ailaoshan Tectonic Belt: New Evidence from Garnet U-Pb Dating and In-Situ S Isotope. Minerals, 12 (11) 1389 doi:10.3390/min12111389 | Journal (article/letter/editorial) | | Cu-Mo Deposit in Southern Ailaoshan Tectonic Belt: New Evidence from Garnet U-Pb Dating and In-Situ S Isotope...Cu-Mo Deposit in Southern Ailaoshan Tectonic Belt: New Evidence from Garnet U-Pb Dating and In-Situ S Isotope...grind probe pieces to a thickness of ~0.04 mm. Andradite garnet particles with a good crystal structure...the sequence of standards NIST SRM 612, 91500, Willsboro and QC04 before the test. After each analysis...[13,40], the detailed description of QC04 and Willsboro is referred to in [13] and the U-Th-Pb isotope |  | Zhang, Shitao, Chen, Huayong, Shu, Qihai, Zhang, Yu, Chu, Gaobin, Cheng, Jiamin, Tian, Jing (2019) Unveiling growth histories of multi-generational garnet in a single skarn deposit via newly-developed LA-ICP-MS U Pb dating of grandite. Gondwana Research, 73. 65-76 doi:10.1016/j.gr.2019.04.003 | Journal (article/letter/editorial) | | on multi-generational grandite RI (grossular-andradite) garnet from the large Tonglvshan Cu-Fe-Au skarn...high-precision concordia U-Pb ages with higher andradite Mol%, euhedral and larger crystals, and relevant...especially grandite (grossular (Ca3Al2Si3O12) to andradite (Ca3Fe2Si3O12)), is a ubiquitous mineral in the...laser spot beam of 44 and 60Ī¼m, respectively. Andradite garnet (QC04) was collected from the Qicun Fe...at Tonglvshan all belong to AC the grossular-andradite (grandite) solid solution series and fall into |
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