 | | Journal (article/letter/editorial) | | New Hampshire Mineral Locality Index Downloaded by [University of Newcastle, Australia] at 15:01 05...entrance and arch of the Palermo mine, North Groton, Grafton County. Rob Lawrence photo, courtesy Bob...Bob Whitmore. 242 ROCKS & MINERALS lthough New Hampshire, the Granite State, is one of our smaller states...reading Jackson (1844) on the mineralogy of New Hampshire that even at this early date there was already...activity produced new localities, renewed some old localities, and resulted in new minerals being discovered |  | | Report (volume) | | Bulletin 931-P MICA-BEARING PEGMATITES OF NEW HAMPSHIRE A PRELIMINARY REPORT BY J. C. OLSON Strategic...Geologic map of the Alstead area, Keene district , New Hampshire........................ 62. Map showing locations...and feldspar mines of the Grafton district, New Hampshire ....................................... 63o...of the Keene district, New Hampshire.. Figure 38. Index map of New Hampshire showing locations of the...Valencia minob.............. 40. Plan of the Palermo mine...................... Ill 370 390 390 365 389 391 |  | | Journal (article/letter/editorial) | | understand the counterclockwise P±T evolution of the Merrimack synclinorium. The rocks were investigated with...boundaries within the melt products as well as late muscovite. Water dissolved in the melt during prograde metamorphism...Eastern Washington University, Cheney, WA 99004, USA E-mail: jennifer.thomson@mailserver.ewu.edu Tel.:...1988; Warren and Hensen 1989; Young et al. 1989; Powell and Downes 1990; Fitzsimons 1996; Carson et al...tectonic subdivisions in central Massachusetts. Merrimack synclinorium; BHA Bronson Hill anticlinorium; |  | | Journal (article/letter/editorial) | | Connecticut, USA I . 1. AGUE Department of Geology and Geophysics, Yale University, PO Box 208109, New Haven...Haven, CT 06520-8 7 09, USA ABSTRACT A petrographic and petrological analysis of exceptionally well-preserved...the Merrimack synclinorium, north-eastern Connecticut, has been carried out in order to place new field-based...estimates of the maximum burial depth of the Merrimack synclinorium during the Acadian orogeny. The formation...heat and mass transfer. Key words: Connecticut, USA; deep crust; fluid flow; fractures; P-T path. INTRODUCTION |  | | Field Trip Notes | | //' . GUIDEBOOK FOR FIELD IN ''fy,.'t:J TRIPS NEW ENGLAND NOVEMBER 10-12, 1952 Organized by the...Before visiting any of the sites described in the New England Intercollegiate Geological Conference guidebooks...Highlands of East-Central New York, Southern Vermont, and Southern New Hampshire Field Trip No. 2, Outstanding...Outstanding pegmatites of Maine and New Hampshire 73 Geology of the "Chelmsford Granite" 103 Field Trip...OF EAST-CENTRAL NEW YORK, SOUTHER Leaders: VERJ-IONT, AND SOUTHERN NEW HAMPSHIRE Marland P, Billings |  | | Report (volume) | | Prof. H. E. Gregory, Sheffield Scientific School, New Haven. Delaware.........Prof. B. L. Miller, Lehigh...Tangier Smith, Berkeley, Cal. New Jersey...... .Dr. H. B. Kummel, Trenton. New York.........Mr. D. H. Newland...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson |  | | Journal (article/letter/editorial) | | accessory-phase growth in low-pressure migmatites from SW New Hampshire JOSEPH M. PYLE* AND FRANK S. SPEAR Department...Sciences, Rensselaer Polytechnic Institute, Troy, New York 12180-3590, U.S.A. ABSTRACT Mineral compositions...found in migmatitic gneisses from near Gilsum, New Hampshire, constrain both peak metamorphic pressure (P)...sillimanite replaced cordierite, and production of muscovite indicates P > 4 kb on the cooling path. Four generations...xenotime-absent mineral assemblage as garnet + muscovite reacted to form sillimanite + biotite. Monazite |  | | Journal (article/letter/editorial) | | 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...events, D1 and D2, followed by doming. D1 formed a muscovite + biotite f ilmenite schistosity subparallel to...the assemblage albite epidote + K-feldspar + muscovite + chlorite, with grade increasing east toward...Acadian metamorphism; calcic pelites; garnet zoning; New England; P-T thermobarometry . INTRODUCTION Metamorphic |  | | Journal (article/letter/editorial) | | based on calculated data of Thompson (1976) and Powell and Holland (1998); (4) equilibtium line (12) calculated...respectively. mixing of cations at the M2 site of muscovite is calcu lated from the formula Ms 2 ( X Ms...for rocks in the area of Mount Moosilauke in New Hampshire, United States (P = 3.7 kbar, T = 500°C), X...kyanite and sillimanite in the Merrimack Synclinorium of the New Hampshire (P = 4.0 kbar, T = 590–640°C);...Qtz (sample P221). The end members taken after Powell, Holland, and Worley (1998) are asterisked. End |  | | Report (volume) | | ...... New Hampshire........................................................... 190 201 New Jersey.............. New Mexico............................................................. New York. .........F. C. Schrader: Besides giving several thousand new localities of mineral deposits and adding more than...especially from those of Arkansas, California, Colorado, New Mexico, Oregon, South Dakota, Tennessee, and Texas;...Franklin, Hampshire, and Hampden counties, Mass.: U. S. Geol. Survey Bull. 126, 1895. Jones, F. A., New Mexico |  | | Report (issue) | | Headframe, concentrator and waste dump at the Lacarne mine of Molybdenite Corporation of Canada, Limited (June...and other economic aspects (by R. J. Jones) World mine production......... .. .............. .. ... . United...Cochrane district. ..... Timiskaming district New Ryan Lake mine Nipissing district ... ...... .. .. . Net...71 71 Northern Quebec ............ .. Abitibi county .......... .. ... . Savard-Poulin claims. Preissac-Lacorne...Company, Limited ......... .... ..... .. ... . Lacorne mine ...... .... .. Other occurrences ..... . Indian |  | | Book (edition) | | INTERIOR UNITED STATES GEOLOGICAL SURVEY J. \V. POWELL, DIRECTOR USEFUL MINERALS OF THE UNITED ALBERT...channels of trade, transportation and consumption, new utilizations, and recent discoveries, have, to a...most part, have been progressive. In addition to new finds of valuable deposits, many of the occurrences...has therefore seemed advisable to pre sent such new information as may bring the whole subject more nearly...gas fields occur in almost every State except in New England and a few Southern States, but the discoveries |  | KOHN, M. J., ORANGE, D. L., SPEAR, F. S., RUMBLE, D., HARRISON, T. M. (1992) Pressure, Temperature, and Structural Evolution of West-Central New Hampshire: Hot Thrusts over Cold Basement. Journal of Petrology, 33 (3) 521-556 doi:10.1093/petrology/33.3.521 | Journal (article/letter/editorial) | | Temperature, and Structural Evolution of West-Central New Hampshire: Hot Thrusts over Cold Basement by MATTHEW J...several major Acadian structures in west-central New Hampshire by using both inclusion thermobarometry and...at mid-crustal levels. In this paper we present new petrologic * Present address: Department of Geology...July 8, 2015 Department of Geology, RPI, Troy, New York 12180 Earth Sciences Board of Studies, UC Santa...^Department of Geological Sciences, SUNY Albany, Albany, New York 12222 2 522 MATTHEW J. KOHN ET AL. and kinematic |  | | Journal (article/letter/editorial) | | view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded...more people), there is a vast territory to explore. New discoveries continue to be made. Snow cover obscures...mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many fine crystal...Beaverhead County, the pegmatites of Jefferson County, and the Snowbird mine in Mineral County continue...Highlands Centennial Nugget in 1989 in Silver Bow County. The seventh largest gold nugget found in Montana; |  | | Journal (article/letter/editorial) | | contact metamorphism in the northern Appalachians, New York K. M. DORFLER, R. J. TRACY AND M. J. CADDICK...Institute and State University, Blacksburg, VA, 24061, USA (kmdorf@vt.edu) ABSTRACT Pelitic schists from contact...surrounding mafic–ultramafic plutons in Westchester County, NY record a high-P (~0.8 GPa) high-T (~790 °C)...phite–Zn-rich Al-spinel. Both K-feldspar and muscovite are absent, and abundant biotite, plagioclase...terrane of Taconic age in southeastern New York, ~85 km north of New York City (Balk, 1927; Whitney et al |  | | Journal (article/letter/editorial) | | Sciences, Rensselaer Polytechnic Institute, Troy, New York 12180 (Received 26 August 1991; revised typescript...+ chlorite + plagioclase + epidote + quartz + muscovite + graphite + fluid. Along a path of isobaric heating...Randolph Quadrangle to the west, and the Mt. Cube, New Hampshire and Vermont, Quadrangle to the east. Three hundred...capacity data are required for graphite (Holland & Powell, 1990) and the other solid phases (Berman, 1988)...compressibilities were computed from the data of Powell & Holland (1988) using the method of Spear et al |  | | Report (issue) | | Sciences Queens College, City University of New York Flushing, New York 11367-1597 and Ph.D. Program in Earth...School and University Center 365 Fifth Avenue New York, New York 10036 and David P. West, Jr. Department...Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, USA, phone (978) 750-8400, http://www.copyright.com...99-22075 CIP Cover: Photomicrograph showing muscovite fish (dextral sense of shear) from a high strain...contrasts in Paleozoic granitic rocks of the northern New England Appalachians 005.0570 0 5 < wn Oe Boe fon |  | | Journal (article/letter/editorial) | | 850 Ma) event involved folding, thrusting along new and pre-existing faults and emplacement of granitoids...Proterozoic (850 ± 50 Ma: K–Ar ages on biotite and muscovite; Dazenko, 1984; Zvyagina, 1989) medium-pressure...domains in the vicinity of the Panimba thrust. This new foliation represents the main regional fabric element...that consists of recrystallized aggregates of muscovite– chlorite–biotite–plagioclase–quartz. The rocks...straight and ovoid margins. Flakes of biotite, muscovite and chlorite up to 1 mm in length are the predominant |  | | Journal (article/letter/editorial) | | Rensselaer Polytechnic Institute, Troy, NY 12180 USA Journal Pre-proof Abstract Metamorphic P–T paths... characterized samples from Fall Mountain, New Hampshire, is consistent with the P–T path ro inferred...Sifnos (Greece). New data from the Perry Mountain Formation, southeastern New Hampshire, suggests that...Rensselaer Polytechnic Institute, Troy, NY 12180 USA na Keywords: Inclusion barometry; QuiG barometry;... characterized samples from Fall Mountain, New Hampshire, is consistent with the P–T path ro inferred |  | | Journal (article/letter/editorial) | | mixtures of 2Ht and 3R in varying proportions. No new modifications of naturally-occurring molybdenite...chalcopyrite (Wright, 1915). 2Hr U.S.N.M.96611\ Santa Niio Mine, Patagonia Mts., 2Ht U.S.N.M. 9749U Santa Cruz Co...about this specimen Harvardunnumbered Kenawyer Mine, King's River Catryon, Fresno Co., Calif. 2Ht ...region. Tbis specimen is probabiy from the Alpine Mine, south of Lake Tahoe, where molybdenite occurs together...(Endlich, 1878). Harvard unnumbered Mountain Lion Mine, Boulder Co., Colorado. 1859 OF MOLYBDENITE Magnolia |  | | Journal (article/letter/editorial) | | Volume 97, pages 543–555, 2012 Titanium in muscovite, biotite, and hornblende: Modeling, thermometry...Reactions involving the Ti Al- Al Si exchange in muscovite, biotite, and hornblende were calibrated thermodynamically...-plagioclase-quartz (GRIPS) equilibrium and our new calibrations in rutile-absent, ilmenite-bearing rocks...thermobarometers. Keywords: Titanium, rutile, muscovite, biotite, hornblende Introduction Trace-element...Spear et al. 2006). Recently, the Ti content of muscovite/phengite was proposed as a barometer based on |  | | Journal (article/letter/editorial) | | Townsville, Queensland 4811, Australia ABSTRACT New data strongly suggest that the classical spiral garnet...garnet porphyroblasts of south-east Vermont, USA, generally did not rotate, relative to geographical...south-east Vermont, in the western New England Appalachians, USA, have often been cited as critical evidence... 1961; Spry, 1963; Powell & Treagus, 1967, 1970; MacQueen & Powell, 1977; Powell & Vernon, 1979; Schoneveld...LITHOTECTONIC UNITS Undifferentiated granite stocks El Merrimack Synclinorium Connecticut Valley-Gasp6 Synclinoriun |  | | Journal (article/letter/editorial) | | l(c). Microprobe analyses of garnet, biotite, muscovite and plagioclase are presented in Tables 1 & 2...the Bunnerviken lens are composed of biotite, muscovite, quartz, plagioclase and garnet f hornblende f...are the most common inclusions; less common are muscovite, biotite, clinozoisite, carbonate and chlorite...of growth. Brown biotite (XFe= 0.42-0.57) and muscovite are intergrown in 0.05-0.1 mm grains and are found...external foliation, have been found mainly in muscovite porphyroblasts. Small grains of pale green chlorite |  | | Book | | 955 Massachusetts Avenue, Cambridge, Mass. 02139, USA ' Allen & Unwin (Australia) Ltd, 8 Napier Street...North Sydney, NSW 2060, Australia Allen & Unwin (New Zealand) Ltd in association with the Port Nicholson...Compusales Building, 75 Ghuznee Street, Wellington I, New Zealand First published in 1990 British Library...University Press. Preface This second volume in the new series produced by the Mineralogical Society is concerned...and an example from Broken Hill, Australia Roger Powell & Jon Downes 105 ~ 5 Xll 90 93 94 95 CONTENTS |  | | Journal (article/letter/editorial) | | Rhodochrosite (specimen and cut stones), N'Chwaning mine, Hotazel, South Africa. Martin Zinn specimen and...photo. May/June: Pyromorphite,Daoping Lead Zinc mine, Guangxi, China. Fine Minerals International specimen...Rhodochrosite on sulfides, Sweet Home mine, Alma, Park County, Colorado, Martin Zinn specimen, Jeff Scovil...photo. November/December: Copper, Cliff mine, Keweenaw County, Michigan. A. E. Seaman Mineral Museum specimen...specimen, John A. Jaszczak photo. Adamite, New Mexico, 301 Adularia, Michigan, 393 Advertising cards |
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