 | | Journal (article/letter/editorial) | | GRAND, ISLE: L Jirrwowwux/ lot* llMt UK* U'A VERMONT Mineral Locality Index VANDALL T. K I N G P.O....Massachusetts 01776 MASSACHUSETTS Figure J. Vermont political divisions map; adapted from U.S. Geological...of New Hampshire and Vermont (1972). 324 ROCKS & MINERALS he state of Vermont is relatively small,...quar ry in the world is in Rochester (Windsor Co.), Vermont. Min eral products mined "as is" for their...maintained. (The disuse of cobblestone roads prevents Vermont from being a giant mining state today, but in the |  | | Report (issue) | | Bedrock Geologic Map of the Chester Quadrangle, Windsor County, Vermont By Nicholas M. Ratcliffe1 Open-File...endorsement by the U.S. Government. 'Reston, Va. 1995 Chester Quadrangle, VT DESCRIPTION OF MAP UNITS (major...(cover sequence rocks) COVER SEQUENCE ROCKS OF THE CHESTER DOME Waits River Formation (Lower Devonian and...phyllite; thickness variable from 0 to 10 m Chester Quadrangle, VT Calc-silicate member, light-gray-green-...volcaniclastic rocks and interbedded metasediment, Chester Quadrangle, VT for this reason the unit is interpreted |  | | Journal (article/letter/editorial) | | Through the ’Scope SEARCHING VERMONT for MICROMINERALS MARCELLE H. WEBER 1172 West Lake Avenue Guilford...last place one would look for microminerals is Vermont. One of the state’s collectors of such material...about Chester and Eden Mills (Lowell) and that’s it, but it isn’t.’’ Nor should that be all. Vermont is...photographing, and to Johannes “Hans” Swarts, Vermont micromineral collector, who met one of the authors...In the past, a pamphlet could be secured at the Vermont welcome centers listing minerals and where they |  | | Journal (article/letter/editorial) | | isotope systematics of garnets from the Gassetts Schist, Vermont (see section 3 and Vance and Holland 1993)...D. VANCE 3. PROGRADE PROCESSES IN THE GASSETTS SCHIST, VERMONT The diffusion rates of Sm and Nd, and...Holland 1993). The following discussion of the Gassetts Schist will therefore rely equally on high-quality...good illustration of this link. The Gassetts Schist, Vermont, USA contains large garnets which preserve...inclusions, such as staurolite, chloritoid, chlorite, kyanite, biotite and white mica. In a particularly elegant |  | | Journal (article/letter/editorial) | | variation in muscovite of the Gassetts Schist and associated gneiss, Vermont Appalachians Willis E. Hames...exposure near Gassetts, Vermont, contains lithologies varying from staurolite-kyanite grade aluminous...40Ar/39Ar Age of Muscovite in the Gassetts Schist A 385 Kyanite B Margarite Orthoclase Adapted...Hames et al.: 40Ar/39Ar Age of Muscovite in the Gassetts Schist and bulk compositions. Titanium substitution...along the western flank of the Chester-Athens domes near Gassetts, Vermont (Fig. 3). The aluminous schists |  | | Journal (article/letter/editorial) | | magnetite, ilmenite, chlorite, biotite, garnet, kyanite, muscovite, feldspar and quartz. The only anomalous...s / o 16 ratios of six schists f r o m Dutchess County, N e w York, to be g r e a t e r t h a n those...that of three kyanite-zone pelitic schists from the Lincoln Mountain quadrangle, Vermont, undertaken by...garnet less resistant to decomposition by BrF 5. Kyanite, which is exceptionally refractory, was fused with...AND ISOTOPIC RESULTS OF INDMDUAL AREAS Dutchess County, southeastern New York, and adjoining areas Geology |  | | Journal (article/letter/editorial) | | certain garnetiferous mica schist in south-central Vermont has beennamed Gassettsschist by C. H. Richardsonlfrom...Richardsonlfrom the excellent exposures near Gassetts station in Chester township. For the r Published by permission...Reading, Cavendish, Baltimore and Chester, Vermont: Report oJ the Vermont State Geotrogist,1927-28, p 225...Muscoviteparagonite, qtrartz, staurolite, garnet (almandite), kyanite, tourmaline, chlorite, biotite, magnetite, rutile...intrusive character. Although staurolite, garnet, and kyanite are generally indicative of so-called regional |  | | Journal (article/letter/editorial) | | Mineral Reactions in a Calc-Mica Schist from Gassetts, Vermont, U.S.A. Alan Bruce Thompson Department of...study of an interbedded calc-mica schist from Gassetts, Vermont reveals the complexities of Fe-Mg crystalline...interbedded carbonate-pelite sequence near Gassetts, Vermont was made in an attempt to elucidate some of...near the Williams River about 3 km north of Gassetts on Vermont Route 103. The calc-mica schist is adjacent...Tyson Formation, mantling the western part of the Chester gneiss dome (see Doll et al., 1961; Sheppard and |  | | Journal (article/letter/editorial) | | Geology, University of California, Davis, CA 95616, USA ABSTRACT The assemblage muscovite-quartz-staurolite-aluminium...analysis of minerals from South Royalton and Gassetts, Vermont, USA, demonstrates that subsets of the minerals... Smithsonian Institution, Washington, DC 20560, USA. for the presence of too many phases on the simplified...and written communication Worcester Mountain, Vermont Rangeley Quadrangle, Maine Snow Lake area, Manitoba...Columbia Gassetts, Vermont Truchas Peak, New Mexico Snow Peak, Idaho South Royalton, Vermont Pecos Baldy |  | | Journal (article/letter/editorial) | | and State University, Blacksburg, VA 24061-0420, USA ABSTRACT The two major Early to Middle Palaeozoic...overall MFG that lies along, or slightly above, the kyanite-sillimanite boundary on a P-T diagram. There is...Planetary Sciences, M.I.T., Cambridge, MA 02139, USA. 415 416 T . R. A R M S T R O N G , R. J . T R...State, western Connecticut, Massachusetts and Vermont. As suggested by Stanley & Ratcliffe (1985), this...noted in the text: (1) Dutchess County, New York State; (2) Westchester County, New York State; (3) Waterbury |  | | Journal (article/letter/editorial) | | calcic pelitic schists from the Strafford Dome, Vermont, USA T. M E N A R D ' A N D F. S. SPEAR' 1 Department...Rensselaer Polytechnic Institute, Troy, NY 12180, USA ABSTRACT Metamorphism of the Gile Mountain Formation...Townshend-Brownington Syncline in east-central Vermont records two nappe-style events, D1 and D2, followed...the Strafford-Willoughby Arch, staurolite and kyanite overgrew S2 in pelites, and plagioclase with increasing...tectonic history of western New Hampshire and eastern Vermont include Spear & Rumble (1986), Kohn et al. (1992) |  | | Journal (article/letter/editorial) | | metamorphic rocks of the Saxtons River areax in southern Vermont, certain facts aroused curiosity concerning the...equivalent to the schist containing kyanite at Gassetts, Vermont (Thompson, 1950; Currier, 1934,p. 335-339)...metamorphose to the higher grade assemblage,kyanite-quartz, found at Gassetts. Accordingly a specimen of schist..."GeologyoJ the southernpart oJ the Chesterd.ome,Vermont,,,submitted in May, 1954,to the faculty of Harvard...decomposessomewhere within the staurolitekyanite zone, forming kyanite and sodic plagioclase. Also within the same zone |  | | Journal (article/letter/editorial) | | petrological study of a single garnet from the Gassetts Schist, Vermont Derek Vance and Tim Holland Department...in the Acadian metamorphic terrain of eastern Vermont have been analysed for major elements and segregated...metapelite from the Gassetts Schist which crops out on the west side of the Chester Dome, SE Vermont (Fig. 1),...lodged in the Harker Collection, Cambridge. The Chester Dome (and the smaller Athens Dome to the south)...sequence by Stanley and Ratcliffe (1985). The Gassetts Schist has been assigned to the Cavendish formation |  | Millonig, Leo J., Albert, Richard, Gerdes, Axel, Avigad, Dov, Dietsch, Craig (2020) Exploring laser ablation U–Pb dating of regional metamorphic garnet – The Straits Schist, Connecticut, USA. Earth and Planetary Science Letters, 552. 116589pp. doi:10.1016/j.epsl.2020.116589 | Journal (article/letter/editorial) | | metamorphic garnet – The Straits Schist, Connecticut, USA Leo J. Millonig a,b,∗ , Richard Albert a,b , Axel...Cincinnati, P.O. Box 0013, Cincinnati, OH 45221-0013, USA b a r t i c l e i n f o Article history: Received...xenotime from The Straits Schist, western Connecticut, USA, to constrain the timing of garnet growth within...xenotime from The Straits Schist, western Connecticut, USA to evaluate if geologically meaningful ages can be...with low-grade fossiliferous meta-sediments in Vermont and southern Quebec (Hatch and Stanley, 1973) which |  | | Journal (article/letter/editorial) | | this study: the northern Appalachians (Vermont, Maine, New York, USA); North American Cordillera (North Cascades...Cascades Range, Washington; Snake Range, Nevada, USA); western Rocky Mountains (British Columbia, Canada);...University of Minnesota, Minneapolis, MN 55455, USA e-mail: dwhitney@umn.edu are characterized by high-angle...crystal system from lowest symmetry (triclinic: kyanite) to highest (isometric: garnet), and occur in metamorphic...confined to a garnet-bearing schist from SE Vermont, USA. 123 Contrib Mineral Petrol (2010) 160:591–607 |  | | Report (issue) | | GEOLOGIST ON THE MINERAL INDUSTRIES AND GEOLOGY OF VERMONT 1929-1930 SEVENTEENTH OF THIS SERIES GEORGE H...H. PERKINS State Geologist STAFF OF THE VERMONT GEOLOGICAL SURVEY 1929-1930 GEORGE H. PEinuNs, State...University of Vermont. ELBRIDGE C. JACOBS, Assistant CONTENTS Geologist, University of Vermont. CHARLES...PHYSIOGRAPHY OF VERMONT, G. H. PERKINS ..................... THE aEOLOGY OF VERMONT OCHER DEPOSITS,...107 MOUNT MONADNOCK III VERMONT, J. E. Worr ................... LIST OF VERMONT MINERALS, G. H. PERKINS |  | EUGSTER, H. P., ALBEE, A. L., BENCE, A. E., THOMPSON, J. B., WALDBAUM, D. R. (1972) The Two-Phase Region and Excess Mixing Properties of Paragonite-Muscovite Crystalline Solutions. Journal of Petrology, 13 (1) 147-179 doi:10.1093/petrology/13.1.147 | Journal (article/letter/editorial) | | standards: Na—albite, Amelia County, Virginia; K—microcline, Asbestos, Quebec; Si—kyanite, Switzerland; quartz;...a paragonite-muscovite schist near Mt. Grant, Vermont (Albec & Chodos, 1965) has a 9 per cent deficiency...a gravimetric analysis of paragonite from Gassetts, Vermont also indicates an alkali deficiency (Tables...5 Chemical analyses of micas from Gassetts and Mt. Grant, Vermont, U.S.A. / SiO, TiO, Al,Oa Fe,O, FeO...(4-70) 99-76 99-22 I Muscovite (Gassetts schist). II Paragonite (Gassetts schist). III Paragonite (II) corrected |  | | Journal (article/letter/editorial) | | Island, two muscovites+three paragonites from Gassetts, Vermont, and one muscovite from an adamellite in N...plus one single p a r a g o n i t e from Gassetts, Vermont. I n t h e c o n t e x t of questions considered...for samples from St. P a u l I s l a n d a n d Gassetts, V e r m o n t to see t h e effects of r a d i...plagioclase; Chl = chlorite Q; Pg = paragonite; K y = kyanite; Ksp = K-feldspar. Compositional Variation of...l Island, muscovite a n d paragonite from Gassetts, Vermont, a n d muscovite from a n adamellite i n N |  | | Report (issue) | | INDUSTRIES OF VERMONT 1939-1940 REPORT OF THE STATE GEOLOGIST ON THE MINERAL INDUSTRIES OF VERMONT 1939-1940...Shop, Barre, Vt. RELIEF MAP OF VERMONT - FOREWORD STATE OF VERMONT OFFICE OF STATE GEOLOGIST BURLINGTON...Board of Conservation and Development, Montpeiier, Vermont, Gentlemen: I herewith present my biennial Report...deposits and to deveolp new mineral products in Vermont. Visits to many mineral localities have been made...Fleming Museum, University of Vermont. December, 1940. Fom many years Vermont stood first among the States |  | | Journal (article/letter/editorial) | | Rensselaer Polytechnic Institute, Troy, NY 12180 USA Journal Pre-proof Abstract Metamorphic P–T paths...Orfordville Belt (Vermont), Townshend Dam (Vermont), the re Connecticut Valley Trough (Vermont), and Sifnos...Rensselaer Polytechnic Institute, Troy, NY 12180 USA na Keywords: Inclusion barometry; QuiG barometry;...Orfordville Belt (Vermont), Townshend Dam (Vermont), the re Connecticut Valley Trough (Vermont), and Sifnos...relations of aluminosilicate minerals (staurolite, kyanite, andalusite and of sillimanite) from the Kwoiek |  | | Journal (issue) | | ........ .... ...... ... .. Collecting around Chester, Vt. By John Pierce .............................ENCLOSING TOURMALINE (Tourmalinated Quartz) Jefferson County, Montana •) ROCKS and Edited and Publlahed...in the beautiful Cascade Mountains, in Deschutes County, Oregon, by chance I ran across a deposit of an...Near a small community called Hauto, in Carbon County, Pennsylvania, there is a locality for quartz crystals...Natural Science Est. QUARTZ, VAR.CHALCEDONY Emery County, Utah 72 ROCKS and MINERALS TOPAZ ON BALDFACE |  | | Journal (article/letter/editorial) | | Institute Troy, NY 12180, USA 2 Department of Geology Amherst College Amherst, MA 01002, USA Abstract. A quantitative...biotite, chloritoid, cordierite, staurolite, talc, kyanite, andalusite, sillimanite, and pyrophyllite (with...the phases pyrophyllite, aluminosilicate (i.e. kyanite, sillimanite a n d andalusite), a l m a n d i n...(Ct) (Cd) (Tc) Alpha Quartz Beta Quartz Water Kyanite Sillimanite Andalusite Pyrophyllite Muscovite K-feldspar...Chloritoid Cordierite Talc Quartz Quartz HzO Kyanite Sillimanite Andalusite Pyrophyllite Muscovite K-feldspar |  | | Journal (article/letter/editorial) | | Williams College, Williamstown, Massachusetts 01267, USA Abstract. During prograde metamorphism garnet and...in a chlorite-chloritoid schist from Jamaica, Vermont. These rocks also provide an excellent opportunity...east of the Green Mountain massif in southern Vermont (Rosenfeld 1968; Thompson and Norton 1968; Naylor...Formation near the Athens dome in southeastern Vermont, 6 km east of the Jamaica area. He suggested that...from Cambrian and Ordovician mafic schists in Vermont and also proposed that they were metamorphosed |  | | Journal (article/letter/editorial) | | California, are ametamorphicterranecharacterizedby kyanite-bearingassemblages in pelitic schists.Pelitic schistspresewea... staurolite + biotite, and garnet + biotite + kyanite. Mineral inclusionsin garnet provide evidencefor...staurolite + muscovite+ quartz -- garnet + biotite * kyanite + HrO. Estimatesof the intensiveparametersfrom...Paleozoic strata. This metamorphic core comprisesa kyanite-bearing terrane, and it has been possible to map...staurolite + biotite assemblages;squares represent kyanite + garnet + biotite assemblages.Numbers indicate |  | | Report (volume) | | Selected Bibliography of Andalusite, Kyanite Sillimanite, Dumortierite Topaz, and Pyrophyllite in the...1019-N Selected Bibliography of Andalusite, Kyanite Sillimanite, Dumortierite Topaz, and Pyrophyllite...showing the location of major deposits of the kyanite group of minerals and pyrophyllite. __________...RESOURCES SELECTED BIBLIOGRAPHY OF ANDALUSITE, KYANITE SILLIMANITE, DUMORTIERITE, TOPAZ, AND PYROPHYLLITE...bibliography is a compilation of 566 references on the kyanite, or sillimanite, group of minerals and pyrophyllite |
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