 | | Journal (article/letter/editorial) | | .(F,OH)41+-: {SiO+}a-, Al3+ 02- : 1Mg,Fe)2+ The new hypothetical garnet endmembers: +)2Si3O1 CarAlznrFrz...contact of Grenville marble and syenite south of Lake Bonaparte in Lake Bonaparte Quadrangle, New York (GOV...(GOV 25-4) and east of Port Leyden in Port Leyden Quadrangle,(PL 1197,PL l27l-283). Primary coexisting minerals...wollastonite, pale-green diopside, sphene, calcite, K-feldspar and quartz (Valley and Essene,1980a).In handsamplethis...sphalerite + pyrite + pyrrhotite (Brown et al.,1978). Port Leyden is locatedjust within the granulite facies and |  | | Journal (article/letter/editorial) | | OXYGEN AND CARBON ISOTOPIC COMPOSITION OF GRENVILLE MARBLE, AND AN APPRAISAL OF EQUILIBRIUM IN THE DISTRIBUTION...K1N 6N5, Canada ABSTRACT Marble occurs abundantly in a portion of the Grenville Province of the Canadian...In the Otter Lake area of western Quebec, major marble units, which are obviously metamorphosed limestone...retrograde serpentine and brucite, whereas minor marble units, which are evidently metasomatic rocks, consist... Ca pyroxene, Ca amphibole, biotite, garnet, K-feldspar, scapolite, and titanite. The oxygen and carbon |  | Essene, Eric J., Claflin, Christopher L., Giorgetti, Giovanna, Mata, Pilar M., Peacor, Donald R., Ć rkai, PĆ© ter, Rathmell, Mark A. (2005) Two-, three- and four-feldspar assemblages with hyalophane and celsian: implications for phase equilibria in BaAl2Si2O8-CaAl2Si2O8-NaAlSi3O8-KAlSi3O8. European Journal of Mineralogy, 17 (4) 515-535 doi:10.1127/0935-1221/2005/0017-0515 | Journal (article/letter/editorial) | | Mineral. 2005, 17, 515-535 Two-, three- and four-feldspar assemblages with hyalophane and celsian: implications...MI 48109-1063 USA College Preparatory School, 353 Crenshaw Road, Houston TX 77034 USA 3Dipartimento di...Semiconductor, 234 Oxford Street, South Portland ME 04101 USA 2YES Abstract: The occurrences of natural coexisting...association from the Uppony Mountains, Hungary, and in Grenville marbles from Ontario. Analyses show very little...in albite and only limited Na in hyalophane. One marble from the garnet zone has albite (Ab95-98), oligoclase |  | | Journal (article/letter/editorial) | | d18O anorthosite massifs of the southern Grenville Province: new evidence from the Morin Complex, Quebec...a major volumetric component of the southern Grenville Province, and provides an important probe of the...the Grenville Province, and have the highest known d18O values for anorthosites in the Grenville. Although...in terms of radiogenic isotope systematics, the new oxygen isotope data indicate the presence high d18O...Geology, Colgate University, Hamilton, NY 13346, USA e-mail: wpeck@mail.colgate.edu J. W. Valley Department |  | | Journal (article/letter/editorial) | | Gait, Royal Ontario Museum; Dr. William Kelly, New York State GeĀ ological Survey; Dr. Robert King, National...Museums of Canada. The accepted abstracts follow. A NEW O C C U R R E N C E O F R U T I L E IN HASTINGS C...Concession V I I , Wollaston Township, Hastings County. The new occurrence is only 4 km east of Coe Hill, where...a very dark gray, micaceous marble of the Grenville Province. This marble makes up the Urbach Lake Anticline...occurrence, the marble has been severely folded. No rutile occurs diĀ rectly within the marble, but it is |  | | Journal (article/letter/editorial) | | 2113/gscanmin.45.5.1293 STRONTIUM IN FELDSPARS OF HIGH-K PROTEROZOIC IGNEOUS ROCKS OF THE ROBITAILLE SUITE...6N5, Canada Abstract Near Buckingham, Quebec, Sr-, K-rich rocks exposed in small, Mesoproterozoic, volcano-plutonic...of the Robitaille suite overlie or intrude the Grenville metasedimentary sequence and are cut by Neoproterozoic...alkali-feldspar trachyte, lamprophyres (kersantite and minette), monzodiorite and alkali-feldspar syenite...with aureoles of Sr-rich, dolomitized calcitic marble. In 20 samples from three igneous complexes, Sr |  | | Journal (article/letter/editorial) | | high-grade metamorphic terrane in the western Grenville Province of the Canadian Precambrian Shield, consist...is equal to 0.6 to 0.7, Na / (K + Na) in discrete crystals of K-feldspar is equal to 0.06, and Na / (Na...and syenite are interlayered with amphibolite, K-feldspar ā biotite (veined) gneiss and other rock components...complexes. K-feldspar amphibolite formed from Ca-pyroxene granulite with an addition of K, Rb, Sr, and...scapolite skarn, possibly formed from dolomite marble with an addition of all major elements except Mg |  | | Show/Event (guide) | | Facilities - Cindi and Keith Newman and able crew What's New in Minerals - Jeff Scovil Registration Desk - Jane...Symposium! This year our speaker roster again has five new people, who are giving seven talks, and two familiar...excellent cover. Jeff Scovil will again lead off What's New on Saturday. We hope you enjoy all the various activities...r the first several years, it was funded by the "New Hampshire syndicate". Since then it has been funded...the recent research into diamonds, discussing the new technology for creating synthetic diamonds, and explaining |  | | Journal (article/letter/editorial) | | Gait, Royal Ontario Museum; Dr. William Kelly, New York State Geological Survey; Dr. Robert J. King, Tewksbury...ADDITIONAL MINERALOGY OF THE KOSS QUARRY, MARATHON COUNTY, WISCONSIN. I: W.Buchholz,' A. U. FalsteCz and... of Geology and Geophysics, University of New Orleans, New Orleans, LA 70148. The recently opened Koss...Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, and Utah but not for midwestern or eastern...locality information down to the Kommun (equivalent to county) level, and map and literature references-an inspiration |  | | Journal (article/letter/editorial) | | REACTION ZONES AT BOUNDARIES BETWEEN AMPHIBOLITE AND K-FELDSPAR GNEISS, OTTER LAKE AREA, QUEBEC, CANADA RALPH...the Otter Lake area of Quebec, in the southern Grenville Province of the Canadian Shield, mineral zones...deformed sheets of amphibolite and the enclosing K-feldspar gneiss. The zones consist of a biotiterich subzone...amphibolite, and one with abundant plagioclase (free of K-feldspar) adjacent to gneiss. Thus biotite and plagioclase...crystallized at the expense of hornblende and K-feldspar. Referring to amphibolite as A, the entire reaction-zone |  | | Journal (article/letter/editorial) | | Maine Mineral & Gem Museum; Dr. Marian Lupulescu, New York State Museum; Dr. George Robinson, St. Lawrence...Hanson, Adrian College; and Dr. Steven Chamberlain, New York State Museum. Eighteen abstracts were submitted...follow. GASH vEINS NEAR BIGELOW, ST. LAWRENCE COUNTY, NEW YORK. S. C. Chamberlain1, D. G. Bailey2, and D...Carlin Jr.3 13140 CEC, Center for Mineralogy, New York State Museum, Albany, NY 12230; 2Geosciences Dept...so-called gash veins (GV) in St. Lawrence County, New York, we have discovered a cluster of these veins |  | Camacho, A., Lee, J.K.W., Fitz Gerald, J.D., Zhao, J., Abdu, Y.A., Jenkins, D.M., Hawthorne, F.C., Kyser, T.K., Creaser, R.A., Armstrong, R., Heaman, L.W. (2012) Planar defects as Ar traps in trioctahedral micas: A mechanism for increased Ar retentivity in phlogopite. Earth and Planetary Science Letters, 341. 255-267 doi:10.1016/j.epsl.2012.05.041 | Journal (article/letter/editorial) | | University, PO Box 6000, Binghamton, NY 13902-6000, USA e Department of Earth and Atmospheric Sciences, University...samples from a small marble outcrop ( 500 m2) in the Frontenac Terrane, Grenville Province, Ontario....reserved. Keywords: Ar retentivity diffusion Grenville Province ionic porosity stable isotopes transmitted...coexisting trioctahedral micas in a single marble outcrop from the Grenville Province in Canada that show a 40Ar/39Ar...enigmatic age difference. 2. Geological setting The Grenville Province covers an area approximately 1900 km |  | | Journal (article/letter/editorial) | | Precambrian Carbonate Rocks in a Portion of the Grenville Province byRALPH KRETZ with chemical analyses...1979) ABSTRACT Marble occurs abundantly in a 31,000 km2 segment of the southern Grenville Province of the...biotite-gamet gneiss, and amphibolite to form the Grenville Group. An 1800 km2 area on the western margin...which may be divided into two groups: (I) major marble, with calcite, dolomite, graphite, phlogopite,... (II) minor marble, with pink calcite, phlogopite, Ca amphibole, Ca pyroxene, K feldspar, scapolite, |  | | Journal (article/letter/editorial) | | Pegmatite-Related Mo Skarn from the Southwestern Grenville Province, Ontario, Canada: Phase Equilibria and...Geology, University of New Brunswick, Fredericton, New Brunswick, Canada E3B 5A3 AND K. SUZUKI Institute...granitic pegmatite-related, skarn system in the Grenville province. An Re-Os age of 1069 Ā± 11 Ma was obtained...graphite-bearing calc-silicate-calcite-dolomite marble, which is locally intercalated with clinopyroxenite... A narrow zone of endoskarn (<1 m; scapoliteK feldspar-Ca clinopyroxene) and wider, zoned exoskarn (<10 |  | | Journal (article/letter/editorial) | | high-grade metamorphic terrane in the Mid-Proterozoic Grenville Province (Otter Lake Area), Mg concentration gradients...about albite microcrystals in K-feldspar are viewed as stranded MgāCa and NaāK interdiffusion gradients,...addition of hydrogen and minor Ti, Zn, F, Cl and K from beyond the reaction zone. Also, centimetric reaction...biotite and plagioclase, at boundaries between K-feldspar gneiss and deformed amphibolite dykes, evidently...reaction, strained hornblende (in amphibolite) + K-feldspar (in gneiss) ā biotite (in amphibolite) + plagioclase |  | | Journal (article/letter/editorial) | | Mo-BEARING SKARN AT THE ZENITH DEPOSIT, SOUTHWESTERN GRENVILLE PROVINCE, RENFREW AREA, ONTARIO, CANADA STEFANO...granites intrude metasedimentary units of the Grenville Supergroup, Composite Arc Belt, in the Renfrew...graphic pegmatites with mixed calciteādolomite marble, para-amphibolite and gneiss at the Zenith molybdenite...in the form of discordant veins within foliated marble. Mineral zoning in the skarn consists of diopsideāmicrocline...interpreted to reflect metasomatic replacement of marble by infiltration of a silica-rich orthomagmatic |  | | Report (issue) | | Page i Proterozoic tectonic evolution of the Grenville orogen in North America Edited by Richard P. Tollo...George Washington University Washington, D.C. 20052 USA Louise Corriveau Geological Survey of Canada GSC-QuĆ©bec...Geosciences Skidmore College Saratoga Springs, New York 12866 USA Mervin J. Bartholomew Department of Earth...Tennessee 38152 USA Memoir 197 3300 Penrose Place, P.O. Box 9140 ā Boulder, Colorado 80301-9140, USA 2004 MWR197...Place, P.O. Box 9140, Boulder, Colorado 80301-9140, USA. Copyright is not claimed on any material prepared |  | | Journal (article/letter/editorial) | | 14, 1992/ Accepted October 23, 1992 Abstract. Grenville dolomitic marbles and calc-silicates at Stephen...equilibrium with the syenites (6180 =8.8-10.2%o). Marble 613C(Cc) values are -0.1 to -3.2%0; the lack of...s to 10 .2o m 2 for fluid flow lasting 0.1-1Ma. Marble 6180(Cc) values do not correlate well with distance...correlation between the degree of resetting of marble 5180(Cc) values with the abundance of submillimetre-wide... fluid fluxes, the d u r a t i o n of fluidr o c k i n t e r a c t i o n events, the relative i m p o |  | Cooper, Alan F., BoztuÄ, Durmus, Palin, J. Michael, Martin, Candace E., Numata, Mihoko (2011) Petrology and petrogenesis of carbonatitic rocks in syenites from central Anatolia, Turkey. Contributions to Mineralogy and Petrology, 161 (5) 811-828 doi:10.1007/s00410-010-0566-3 | Journal (article/letter/editorial) | | metasomatic alteration and syntectic melting of marble. Carbonatites and associated calcite-syenites exhibit...characteristics (Ab-rich plagioclase, Ba-rich K-feldspar, low-Mg# biotite) that are petrogenetically more...geochemically coherent group that is distinct from the marble country rock and xenolith population, but similar...Geology Department, University of Otago, Dunedin, New Zealand e-mail: alan.cooper@stonebow.otago.ac.nz...Chemistry Department, University of Otago, Dunedin, New Zealand suggesting the pluton is composite. Overall |  | Feneyrol, J., Ohnenstetter, D., Giuliani, G., Fallick, A. E., Rollion-Bard, C., Robert, J.-L., Malisa, E. P. (2012) EVIDENCE OF EVAPORITES IN THE GENESIS OF THE VANADIAN GROSSULAR 'TSAVORITE' DEPOSIT IN NAMALULU, TANZANIA. The Canadian Mineralogist, 50 (3) 745-769 doi:10.3749/canmin.50.3.745 | Journal (article/letter/editorial) | | metasomatized graphitic gneiss overlain by a dolomitic marble unit. These rocks belong to the Neoproterozoic...crystallization in quartz-calcite veins. The dolomitic marble unit hosts an anhydritegypsum-dolomite lens (lens...Ba-bearing minerals (feldspar, phlogopite), with up to 7.5 wt.% BaO for feldspar. Lithium (up to 2.0 wt...hosted in graphitic gneiss strongly associated with marble (Bridges 1974, Feneyrol et al. 2010a). The presence...tsavorite-bearing graphitic gneiss and associated marble, characterized by vanadian and F-rich minerals |  | | Journal (article/letter/editorial) | | Gait, Royal Ontario Museum; Dr. William Kelly, New York State Geological Survey; Dr. Robert King, National...Bioengineering, Syracuse University, Syracuse, New York 13244-1240. We previously reported unusual square...CRYSTALS FROM T H E THIRTEENTH L A K E QUADRANGLE, WARREN COUNTY, NEW Y O R K . V. H. Collins and J. S. Collins...Collins, R . D . 1, Old Trail Road, Johnstown, New York 12095. Serendibite is a rare triclinic borosilicate...in thickness. The veins appear to cut the Grenville Marble. Crystals up to several millimeters are occasionally |  | | Journal (issue) | | T/"T~\T C t m T T K I ) A s A 1 I V Kw VJ-i-J WaYne &-,Dona L^icht, 875 North Pacific Coas|flighwa^...^ w e7!! be h ere w h en you WEB: ,h ttp //W w w :k rista lle.co m #' E-ni^fi: .le ic b t^ ik r ista lle...Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...in y u lite from the W illard m in e, P ershing County, N e v a d a ....................................with him. W.E.W. FROM THE NEW EDITOR After such a fulsome introduction by the (new) Editor-in-Chief, I feel |  | | Report (issue) | | t.t,,?; , ti it .$ ,II Vor. 414\i 4.,,f-',T. .k IflY fl 14..ie 'if .qiii,.....)1; r A 0 iiA 44...4}if,' i . k ,11 1 fāsi " t,,I.,..,. 1 4(I 1 tt . t, ill ā¢ i rrf ,.ā q tr '104 .414 ,k; -;.1.73...BaImat--Edwards district, northwest Adirondack Mountains, New York .; ; 3 )(:), 31 2 4 :.t itA.:1(.. ā¢tt o (4*i...Balmat-Edwards district, northwest Adirondack Mountains, New York, by A. E. J. Engel. 357 p., 31 pl., 22 figs.,...Purpose and scope Acknowledgments Geologic setting Grenville Lowlands Metasedimentary rocks Stratigraphy Lithologic |  | | Journal (article/letter/editorial) | | Fe-Nb-REE deposit at Bayan Obo is hosted by a dolomite marble within the thrust complex of marbles, quartzites...grained facies of the large (0.5 ā¢ 10 kin) dolomite marble which hosts the REE ore body has ~50 per mil values...finer-grained recrystallized and REE-mineralized dolomite marble which occurs close to the ore bodies has 8 0 between...layering. KEYWORDS:carbonatite, dolomite, limestone, marble, Bayan Obo, oxygen isotopes, carbon isotopes, strontium...processed. The deposit is hosted by a dolomite marble, the origin of which is controversial. Several |  | | Book (volume) | | 01225 442836) Distributors USA AAPG Bookstore PO Box 979 Tulsa OK 74101-0979 USA (Orders: Tel. (918) 584-2555...Affiliated East-West Press PVT Ltd G-1/16 Ansari Road New Delhi 110 002 India (Orders: Tel. (11) 327-9113 Fax...been many improved and new techniques for investigating minerals, producing a new body of data and often...temperatures and pressures at which they were formed. New techniques have greatly extended the ranges of temperature...quite complex chemical systems. In geochronology, the KāAr and āĀ°Arā*Ā°Ar methods have been very widely applied |
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