 | | Journal (article/letter/editorial) | | District. By R. L. OLIVER. (PLATE VI) ABSTRACT Almandine-rich garnets occur as euhedral crystals in extrusive...conditions suitable for the crystallisation of almandine-rich garnet are discussed. INTRODUCTION I N...rhyodacitic welded tuff from Low Saddle, near Blea Tarn, plagioclase surrounding garnet is An7; phenocrysts...intrusive quartz-porphyry, outcropping west of Stony Tarn, Eskdale, and in Peers Gill. The present writer...locality, but garnets in Walker's slice of the Stony Tarn xenolith (Slide No. 3887) have spongy peripheries |  | Fréville, K., Cenki-Tok, B., Trap, P., Rabin, M., Leyreloup, A., Régnier, J.-L., Whitney, D. L. (2016) Thermal interaction of middle and upper crust during gneiss dome formation: example from the Montagne Noire (French Massif Central) Journal of Metamorphic Geology, 34 (5) 447-462 doi:10.1111/jmg.12188 | Journal (article/letter/editorial) | | Montpellier, Place E. Bataillon, 34090, Montpellier, France (benedicte.cenki-tok@gm.univ-montp2.fr) 2 Institut...de la F e rollerie 45071, Orl e ans Cedex 2, France 3 UMR-CNRS 6249 Chrono Environment, Universit...Techniques, 16 Route de Gray, 25030, Besancß on Cedex, France 4 Department of Geological Engineering, Faculty...gradients. Migmatitic gneiss from the core of the dome record a clockwise evolution culminating at 725 25 °C...Muscovite, celadonite, Fe-celadonite, paragonite Almandine, pyrope, grossular Cordierite, Fe-cordierite, |  | | Journal (article/letter/editorial) | | complex series, nomenclature proposed, anals., 227 Almandine, Norway, pseudomorphous after plagioclase in a...BATTEY (M. H.), DAVISON (W.), and OAKLEY (P. J.), Almandine pseudomorphous after plagioclase in a metadolerite...amphiboles, California, Oregon, Washington State, France, and Greece, compositional zoning in sodic amphiboles...MAASKANT (P.), 995 Copper mineralization, Seathwaite Tarn, Coniston, Cumbria, paragenesis, genesis, occurrence...Deerite, Oregon, California, Washington State, France, Italy, Greece, Turkey, New Caledonia, from blueschistfacies |  | Whitney, Donna L., Roger, Françoise, Teyssier, Christian, Rey, Patrice F., Respaut, J.-P. (2015) Syn-collapse eclogite metamorphism and exhumation of deep crust in a migmatite dome: The P–T–t record of the youngest Variscan eclogite (Montagne Noire, French Massif Central) Earth and Planetary Science Letters, 430. 224-234 doi:10.1016/j.epsl.2015.08.026 | Journal (article/letter/editorial) | | exhumation of deep crust in a migmatite dome: The P–T–t record of the youngest Variscan eclogite (Montagne Noire...Université Montpellier 2, 34095 Montpellier Cedex 5, France School of Geosciences, University of Sydney, Sydney...Montagne Noire of the southern Massif Central, France, is an eclogite– bearing gneiss (migmatite) dome...geochronologic investigation to show that the nappes record a metamorphic imprint at 310–300 Ma in proximity...the quartz inclusion-rich region) is 43 mol% almandine, 2 mol% spessartine, 32 mol% pyrope, and 23 mol% |  | | Journal (article/letter/editorial) | | ALMANDINE GARNET from the red embers mine Erving Franklin County Massachusetts ERIC S. GREENE 40 Church...first time (Polityka 2014). It consisted of almandine garnet crystals embedded in a shiny, dark silver...vivid burgundy-red color of the transparent gem almandine. These specimens caused a minor uproar and were...comm., 2015). Figure 6. Unprepared specimen of almandine in graphite, 39 cm. Volume 91, September/October...September/October 2016 455 Figure 7 (left). Backlit almandine garnets in graphite, with dravite. Specimen is 14 |  | | Journal (issue) | | found in a wide range of colours. Red pyrope and almandine are probably the most common and most widely used...pyrope, almandinepyrope, almandine-spessartine, spessartine, spessartine-almandine, grossular and the gem-varieties...described by Svisero et al. (1981). Almandine-pyrope The almandine-pyrope garnets are from the Fazenda...and their source is not yet known. Almandine-spessartine The almandine-spessartine garnets are from the...to orange. (Figure 2). Spessartine-almandine Spessartine-almandine varieties were collected from the substitution |  | | Journal (article/letter/editorial) | | the most common member of the garnet family, almandine, was described (Cook 2009). Garnet forms under...pleasing array of orange and red hues of both almandine and the closely related species spessartine have...It forms a complete solid-solution series with almandine. Many unanalyzed garnets are only provisionally...determined to be Sp61Alm31Pyr8 (spessartine 61%, almandine 31%, and pyrope 8%) represents a spessartine garnet...and almandine components are present in nearly equal amounts, both names are often used (almandine-spessartine) |  | | Journal (issue) | | Washington, USA; Emmanuel Fritsch, University of Nantes, France; Rui Galopim de Carvalho, Portugal Gemas, Lisbon...Surrey; Benjamin Rondeau, University of Nantes, France; George R. Rossman, California Institute of Technology...Prospectives. Association Française de Gemmologie, Paris, France, 201–204. Coloration of Green Dravite from the...Louvain-la-Neuve, Belgium Yves Guazzini Gem cutter, Thiers, France Pascal Entremont and Jean-Pierre Gauthier Centre...Centre de Recherches Gemmologiques Nantes, France References Gübelin E.J. and Koivula J.I., 2005. Photoatlas |  | | Journal (issue) | | IN TEXAS III A SUPPLEMENT TO THE MINERALOGICAL RECORD, NOVEMBER–DECEMBER 2020 Mineral Collections in...Wendell Wilson A Supplement to the Mineralogical Record, November–December 2020 MINERAL COLLECTIONS IN...Texas Volume III A Supplement to The Mineralogical Record November–December 2020 Volume 51, number 6 Publisher...Manager: Christi Cramer Published by The Mineralogical Record, Inc., © 2020 5347 N. Ridge Spring Place, Tucson...participants. 2 Supplement to The Mineralogical Record, November–December, 2020 MINERAL COLLECTIONS |  | | Journal (article/letter/editorial) | | pelitic (AFM-K, AFM-S, AKF-S) projections$ Lydéric France a,n,1, Christian Nicollet b,c,d a Géosciences...Montpellier 2—CNRS, 34095 Montpellier Cedex 05, France Clermont Université, Université Blaise Pascal...F-63000 Clermont-Ferrand, France c CNRS, UMR 6524, LMV, F-63038 Clermont-Ferrand, France d IRD, R 163, LMV,... F-63038 Clermont-Ferrand, France b a r t i c l e in f o a b s t r a c t Article history: Received...Major element 1. Introduction CMAS 3D developed by France et al. (2009) visualizes CaO–MgO–Al2O3–SiO2 (CMAS) |  | | Journal (article/letter/editorial) | | 1017/S0016756808005293 Printed in the United Kingdom Almandine garnet phenocrysts in a ∼ 1 Ga rhyolitic tuff...Abstract – We report on the newly discovered almandine garnet phenocrysts in rhyolitic ignimbrites (Sukhda...indicative xenoliths or xenocrysts, that these almandine garnets (Al78.7 Py12.3 Gr7.4 Sp1.6 ) are phenocrysts...Sukhda Tuff. Almandine of such composition is stable under high pressure. We infer that almandine crystallized...explosively. Keywords: ignimbrite, phenocryst, almandine, rhyolitic tuff, Proterozoic, India, garnet. |  | | Journal (article/letter/editorial) | | that published by the Colorado Chapter (see Min. Record 10:323-328). Like the Colorado group, our chapter...Michigamme) clinochlore var. ripidolite after almandine, grunerite, magnetite, quartz Imperial Heights...quarry—Felch France Stone C o . quarry (c)—Monroe calcite, celestite, dolomite, marcasite, pyrite France Stone...sussexite MAY/JUNE 1983 109 Figure 4: Calcite, France Stone Co. quarry, Monroe, Monroe County. Cranbrook...calcite overgrowing stalactitic goethite, after almandine, Michigamme, MarHiawatha mine, Stambaugh, Iron |  | Vielzeuf, Daniel, Champenois, Michel, Valley, John W., Brunet, Fabrice, Devidal, J.L. (2005) SIMS analyses of oxygen isotopes: Matrix effects in Fe–Mg–Ca garnets. Chemical Geology, 223 (4) 208-226 doi:10.1016/j.chemgeo.2005.07.008 | Journal (article/letter/editorial) | | Cedex 9, France CRPG–CNRS, 15 rue Notre-Dame des Pauvres, 54501 Vandoeuvre-lès-Nancy, France c Department...Normale Supérieure — 24 rue Lhomond, 75231 Paris, France Laboratoire Magmas et Volcans, Université Blaise...— CNRS, 5, rue Kessler, 63038 Clermont-Ferrand, France b e Received 9 November 2004; received in revised...for petrological studies since they are able to record changes of geological conditions through major...SpeSE UWG-2 Almandine–Grossular Almandine–Pyrope Almandine–Pyrope Almandine–Pyrope Almandine–Pyrope Grossular |  | | Journal (issue) | | THE MINERALOGICAL RECORD SEPTEMBER–OCTOBER 2006 VOLUME 37 NUMBER 5 $22 Wayne & Dona Leicht, 875 North...Wilson THE Editor Thomas P. Moore MINERALOGICAL RECORD Circulation Manager Mary Lynn Michela Associate...Associate Editors Pierre Bariand Sorbonne Paris, France Bill Birch Museum of Victoria Melbourne, Australia Michael...Schwab Orléans, France Associate Photographers Nelly Bariand Sorbonne Paris, France Dan Behnke Northbrook...collection; Bruce Cairncross photo. The Mineralogical Record (ISSN 0026-4628) is published bi-monthly for $58 |  | | Journal (article/letter/editorial) | | metamorphism, are clearly distinguishable from generally almandine-rich garnets supplied by the higher-grade metamorphic...grossular and spessartine components of these almandine-rich garnets can be used to further distinguish...variety of settings throughout the Alpine sedimentary record. © 2017 Elsevier B.V. All rights reserved. 1....Alpine-derived sediments throughout this geological record, it is important to have fingerprinting tools available...can be described in the compositional space of almandine-pyrope-spessartine-grossular. Other fractions |  | | Journal (article/letter/editorial) | | Creek rocks also record incomplete reaction of staurolite + quartz to produce almandine + sillimanite....1986). Although remnants of mafic eclogitesthat record high pressureshave been found in the northern and...instancesstaurolite is included within almandine, or partially replacedby almandine,or both. Staurolite crystallization...crystallization also predates the cessation of almandine growth in the only other known occurrenceof staurolite...The reaction staurolite + quartz * sillimanite almandine Petrographic evidence for the incomplete reaction |  | | Journal (article/letter/editorial) | | that were found in blackish schist from Brittany, France. Delametherie also accurately described sector...crystals to about 6 cm long, with dodecahedral almandine crystals in coarse mica schist, Keivy Mountains...schist, staurolite is typically associated with almandine, muscovite, biotite, kyanite, and quartz. In higher-grade...crystals can be found at Gambo Falls at Gorham where almandine is a common associate. In close competition with...prismatic crystals with abundant, large dodecahedral almandine from Green’s Farm at Roxbury, Litchfield County |  | | Journal (issue) | | Clay Center! L L The Mineralogical Record SEPTEMBER–OCTOBER 2020 • VOLUME 51 • NUMBER 5 • $25 &...5155 / info@kristalle.com The Mineralogical Record The International Magazine for Mineral Collectors... Stefano & J. K. Brizendine The Garnet Ledge almandine deposit near Wrangell, Alaska ..............685...contributions from The Fellows of the Mineralogical Record and the Sponsoring Organizations listed below.... Via (deceased) Salim Edde Lyda Hill Daniel J. Record Rob Lavinsky Wilbert A. Danner (bequeathed) Eric |  | | Journal (article/letter/editorial) | | of the Borrowdale rocks on Great Barrow and Blea Tarn Hill, also the intense pressure set up by the intrusion...(CUMBERI.AN D ) GRANITE. 20 BRIAK SIMPSOK, Burnmoor Tarn. South of Low Longrigg, near Brats Hill, faulting...near the sheepfold. South from Whinscales to Stoney Tarn, the boundary is faulted, one set of faults being...There are two portions of the roof left, one on Blea Tarn Hill and one on Great Barrow. Both these outliers...side of Devoke Water. A stream flowing into the tarn has carved out a window in which is seen a porphyritic |  | | Journal (article/letter/editorial) | | of pyrrhotite-rich hedenbergite-actinolite and almandine-hornblende skarns, are dated by a concordant U-Pb...5.9, n = 7), both defined by allanite-bearing almandine and by cogenetic scheelite. These ages demonstrate...the Fe-Mg exchange thermometry of almandine-biotite and almandine-hornblende pairs. Calcic-potassic mineral...reaction of biotite + cummingtonite + anorthite to almandine + grossular + biotite. The pressure estimate confirms...the skarn U-Pb age proceeded in stages. First, almandine was separated from gold skarn hosted by grunerite-quartz |  | | Report (issue) | | Objects BY INGRID S. WEBER 22 Classic Garnets: Almandine BY GLORIA STAEBLER AND PAUL POHWAT 28 New England...bees (page 16); photo© Bibliotheque National de France, Paris Left: Grossular from the Republic of Mali...various members). Of these fifteen species, six almandine, andradite, grossular, pyrope, spessartine, and...constitute the "pyralspite" group, named for pyrope, almandine, z and spessartine. Those with Ca + in the X-site...between pairs of end-members: pyrope and almandine or almandine and spessartine. The same occurs within |  | | Journal (article/letter/editorial) | | Université de Montpellier II, 34095 Montpellier Cedex, France Received 30 March 1998; accepted for publication...overlain by HP granulites max in the north and record P=7 kbar and T=500°C. The distribution of metamorphic...comprises quartz, mesoperthite, rare plagioclase, almandine-pyrope M.da.C. Campos Neto, R. Caby / Precambrian...stage assemblage comprises quartz, discontinuous almandine-rich garnet rims, biotite, kyanite, microcline...discontinuous <500 mm rim in equilibrium with biotite is almandine rich up to 62 mol%, with a corresponding pyrope |  | | Journal (article/letter/editorial) | | The isotopic composition of zircon and garnet: A record of the metamorphic history of Naxos, Greece L....20, 54501 Vandœuvre, France G2R, UMR-CNRS 7566, BP 239, 54506 Vandœuvre, France Received 13 November...standards used in this study were B114 (d 18O = 9.3x, France-Lanord et al., 1988; Vielzeuf et al., 2003), GrsSE...99 1.71 0.16 0.37 0.75 End member X pyrope X almandine X spessartine X grossular 0.04 0.44 0.24 0.28...partly resorbed. They are almandine and grossularrich (Table 1, Fig. 4, X almandine c 0.33, X grossular c |  | | Journal (article/letter/editorial) | | superzoned garnet consists of a reddish-brown almandine core crowded with inclusions of staurolite, chloritoid...high-pressure ŽHPrUHP. Alpine metamorphism, Ž2. the almandine inclusion-rich core of the superzoned garnet crystallized...UnitB —APolymetamorphic complexB, Ž3a. Kyanite–almandine–phengite–jadeite paraschist; Ž3b. Main marble...Hirajimar Lithos 57 (2001) 219–236 dish-brown almandine core and an inclusion-poor pinkish pyrope rim...metamorphic basement, is mainly composed of kyanite–almandine–phengite " jadeite paraschist with marble and |  | | Journal (article/letter/editorial) | | The photographs presented here are the principal record of the existence and character of the minerals...and Fisher 1902; Roberts and Rapp 1965), and from France (Palache, Berman, and Frondel 1951). Barbour and...(2001) list the pseudomorph as chlorite after almandine. We, along with R. E. Platt Jr., have collected...That analysis confirmed that the core residue is almandine, as suggested by Hausel and Jacobson (2001). Because...for the composite specimen would require that almandine (specific gravity = 4.2) occupy about 38 percent |
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Record, Fontrieu, Castres, Tarn, Occitanie, France