 | | Journal (article/letter/editorial) | | 513–533, 2001 Boron metasomatism of the Alta stock contact aureole, Utah: Evidence from borates, mineral chemistry...77005-1892, U.S.A. ABSTRACT Geochemical study of the Alta stock and adjacent contact aureole rocks provides information... and szaibelyite) in skarn deposits around the stock. In addition, thin section alpha-track mapping implies...minerals within the stock, stockwork veins and related selvages, igneous sills near the stock, contact skarns...skarns, and in marbles up to 500 m from the stock. Forsterite, clinohumite, lizardite, and malachite contain |  | | Journal (article/letter/editorial) | | 513-525, 1994 Contact metamorphismsurroundingthe Alta stock Thermal constraintsand evidenceof advectiveheat...Geology and Geophysics,University of Utah, Salt Lake City, Utah 841 12, U.S.A. Ansrnc,cr Metamorphism...dolomites in the contact aureole of the mid-Tertiary Alta stock has produced a series of isograds with increasing...increasing metamorphic grade: talc, tremolite, forsterite, clinohumite, and periclase.Calcite + dolomite geothermometry...models of the stock suggestthat the temperature regime in the southern portion of the Alta aureole was |  | | Journal (article/letter/editorial) | | METAMORPHIC MINERALS FROM THE ALTA AUREOLE, CENTRAL WASATCH MOUNTAINS, UTAH. S. L. Hanson1, A. U. Falster2...University of New Orleans, New Orleans, LA 70148. The Alta Stock is one of several early- to mid-Tertiary intrusive...intrusive rocks in the central Wasatch Mountains, Utah. The Alta Granodiorite is, in part, intrusive into a...Deseret-Guardison formations. Emplacement and cooling of the Alta Stock metamorphosed these carbonate rocks and formed...toward the contact with the Alta Stock, include the talc, tremolite, forsterite, and periclase zones. These |  | | Journal (article/letter/editorial) | | 18O/16O-depleted periclase zone marbles in the Alta aureole, Utah: insights from ion microprobe analysis of...layers in the periclase (Per) zone of the Alta Stock aureole, Utah. These data define a steep, coherent gradient...Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, USA e-mail: bowman@earth.utah.edu J....University of Wisconsin-Madison, Madison, WI 53706, USA calculations indicate that conservative time scales...the outer half of the periclase zone of the Alta stock, Utah, contact aureole (Fig. 2). These layers (layers |  | | Journal (article/letter/editorial) | | Crandall Ave, Salt Lake City, Utah 84106 Xanthophyllite has been found near the Mountain Lake mine, Big...Big Cottonwood Canyon, Salt Lake County, Utah. Xanthophyllite occurs as small, deep green, tabular, pseudohexagonal...two intrusive masses—the Alta stock of granodiorire and the Clayton Peak stock of quartz diorite. Other...leather, diopside, idocrase, grossular, phlogopite, forsterite, aragonite, epidote, monticellite, szaibelyite...Minerals noted in this rock include periclase, forsterite, brucite, hydromagnesite and rarely, artinite |  | | Journal (article/letter/editorial) | | Crandall Ave, Salt Lake City, Utah 84106 Xanthophyllite has been found near the Mountain Lake mine, Big...Big Cottonwood Canyon, Salt Lake County, Utah. Xanthophyllite occurs as small, deep green, tabular, pseudohexagonal...two intrusive masses—the Alta stock of granodiorire and the Clayton Peak stock of quartz diorite. Other...leather, diopside, idocrase, grossular, phlogopite, forsterite, aragonite, epidote, monticellite, szaibelyite...Minerals noted in this rock include periclase, forsterite, brucite, hydromagnesite and rarely, artinite |  | | Journal (article/letter/editorial) | | 86, pages 773–779, 2001 Calcite inclusions in forsterite JOHN M. FERRY Department of Earth and Planetary... Baltimore, Maryland 21218, U.S.A. ABSTRACT Forsterite in metamorphosed siliceous dolomites commonly...matrix of the same rock. Calcite inclusions in forsterite from dolomite-bearing rocks therefore have an...inclusions in forsterite from five contact aureoles indicate that significant growth of forsterite grains continues...metamorphism since Bowen’s (1940) seminal publication. Forsterite (Fo) is an almost ubiquitous mineral in siliceous |  | | Report (issue) | | ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH BY F. C. CALKINS AND B. S. BUTLER H| WITH SECTIONS...rocks---_-_--_-------_--_-----__--_ Diorite (Clayton Peak stock)_____________ General character and occurrence--___...Petrographic details_______________ Granodiorite (Alta stock)________________ General character and occurrence-____..._____________ Quartz monzonite (Little Cottonwood stock)-___-_._____--___-_-___________ General character...---54 General features.______________-_---_--54 Alta thrust zone.__--___________-----__55 Columbus o |  | | Journal (article/letter/editorial) | | Crandall Ave, Salt Lake City, Utah 84106 Xanthophyllite has been found near the Mountain Lake mine, Big...Big Cottonwood Canyon, Salt Lake County, Utah. Xanthophyllite occurs as small, deep green, tabular, pseudohexagonal...two intrusive masses—the Alta stock of granodiorire and the Clayton Peak stock of quartz diorite. Other...leather, diopside, idocrase, grossular, phlogopite, forsterite, aragonite, epidote, monticellite, szaibelyite...Minerals noted in this rock include periclase, forsterite, brucite, hydromagnesite and rarely, artinite |  | | Journal (article/letter/editorial) | | Copyright © 1998 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/98 $19.00 1 .00 Pergamon...accordance with measurements from the Alta (Utah, USA), Ubehebe (California, USA), and Drammen (Norway) aureoles...rocks lies immediately south of the Alta stock in northern Utah. The mineralogical and isotopic evidence...evidence for syn-metamorphic fluid flow in the Alta aureole is presented by Bowman et al. (1994), Cook and...lack of appreciable isotopic depletion above the Alta-Grizzly thrust fault led Cook et al. (1997) to conclude |  | | Report (issue) | | CALITI ES OF UTAH by Kenneth C. Bullock UTAH GEOLOGICAL AND MINERAL SURVEY a division of the UTAH DEPARTMENT...JANUARY 1981 MINERALS AND MINERAL LOCALITIES OF UTAH by Kenneth C. Bullock Nature displays her most...State of Utah. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 County Listings.... . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | represented by dolomite þ calcite þ diopside þ forsterite and more 13C-depleted nature compared to dolomite...dolomite þ calcite þ tremolite þ forsterite assemblage. q 2003 Elsevier Ltd. All rights reserved. Keywords:...constitute the rock. Dolomitic marble contains forsterite, diopside, tremolite, phlogopite, dolomite, calcite... diopside or phlogopite; and serpentine from forsterite, diopside or phlogopite. Almost all of the silicate...widespread distribution of dolomite þ calcite þ forsterite assemblage. Only a few samples including diopside |  | | Journal (article/letter/editorial) | | Mountain Batholith (Death Valley National Park, USA)☆ Susanne Skora ⁎, Lukas P. Baumgartner, Torsten...northern Hunter Mountain Batholith (California, USA) in Paleozoic sediments. Wollastonite occurs as zones...metamorphism resulted in the formation of tremolite, forsterite with or without diopside, and periclase as the...they contain forsterite+dolomite+calcite, together with tremolite and/or diopside. Forsterite+dolomite+calcite±tremolite...(XCO2 b 0.3) conditions (Fig. 4). The assemblage forsterite+dolomite+calcite+diopside was likely produced |  | | Journal (article/letter/editorial) | | advection. The contact aureole around the Tertiary Alta stock, Utah, is an example of the mineralogical record...of contact metamorphosed marbles from the Alta aureole, Utah (after Bowman et al 1994). Data projected...advection. The Notch Peak contact metamorphic aureole, Utah, is an example of the chemical record for reactive...Marysville aureole, Montana Notch Peak aureole, Utah I Contact Cuillins aureole, Scotland Mary Kathleen...Dubhaich aureole, Scotland I, M Contact Alta aureole, Utah Disequil/ Evidencea gradientb 260 Facies |  | Muller, T., Baumgartner, L. P., Foster, C. T., Roselle, G. T. (2008) Forward modeling of the effects of mixed volatile reaction, volume diffusion, and formation of submicroscopic exsolution lamellae on calcite-dolomite thermometry. American Mineralogist, 93 (8) 1245-1259 doi:10.2138/am.2008.2617 | Journal (article/letter/editorial) | | setting, samples and 1 tremolite + 11 dolomite → 8 forsterite + 13 calcite + 1 H2O + 9 CO2 (1) analytical...metamorphism caused the formation of tremolite, forsterite, and finally periclase with increasing proximity...together with forsterite and/or tremolite in dolomitic marbles in the outer part of the forsterite zone. The...meta-stable reaction: 2 dolomite + 1 quartz → 1 forsterite + 2 calcite + 2 CO2 (2) However, all calcite...Representative calcite analyses from the tremolite, forsterite, and periclase zone are shown in Table 2. A counting |  | | Journal (article/letter/editorial) | | Geology,Universityof Oregon, Eugene, Oregon97403, USA Abstract. The natural occurrence of critical assemblages...phases clinohumite, calcite, dolomite, tremolite, forsterite, diopside, chlorite, and spinel in metamorphosed...clinohumite coexisting with calcite, dolomite, and forsterite is a sensitive indicator of the composition of...to the compositionally equivalent assemblage forsterite+brucite. The upper thermal stability of pure...by the following reaction : OH-clinohumite ~ 4 forsterite + periclase + H20. (2) The thermodynamic data |  | | Journal (article/letter/editorial) | | equivalent assemblages involving Mg-silicate (forsterite and/or clinohumite) + chlorite (and/or spinel)...producing clintonite involve calcite, spinel, forsterite and diopside (Rice 1979), less commonly also...by formation of abundant antigorite instead of forsterite at T < ~ 450 °C and very low XCO2 < 0.05 (Houzar...fluorine-rich marbles at the Orange County localities, New York, USA (MacKinney et al. 1988). IV Chondrodite...dotted clintonite from marbles in the Orange County, USA; white other clintonites (data source: Rice |  | Ferry, John M., Wing, Boswell A., Penniston-Dorland, Sarah C., Rumble, Douglas (2002) The direction of fluid flow during contact metamorphism of siliceous carbonate rocks: new data for the Monzoni and Predazzo aureoles, northern Italy, and a global review. Contributions to Mineralogy and Petrology, 142 (6) 679-699 doi:10.1007/s00410-001-0316-7 | Journal (article/letter/editorial) | | Johns Hopkins University, Baltimore, MD 21218, USA E-mail: jferry@jhu.edu Tel.: +1-410-5168121 Fax:... Johns Hopkins University, Baltimore, MD 21218, USA S.C. Penniston-Dorland Department of Earth and Planetary... Johns Hopkins University, Baltimore, MD 21218, USA D. Rumble III Geophysical Laboratory, 5251 Broad...Broad Branch Road NW, Washington, DC 20015-1305, USA Editorial responsibility: T.L. Grove ucts represent...Bellerophon Per marble Dolomite Calcite Brucite Forsterite Clinohumite Spinel Geikielite Baddeleyite Apatite |  | | Journal (article/letter/editorial) | | 21218, USA D. Rumble III Geophysical Laboratory, 5251 Broad Branch Road, NW Washington, DC 20015, USA Editorial...appearance of talc, tremolite (Tr), diopside (Di), forsterite (Fo), and Per in siliceous dolomitic limestones...relations in the Silver Star aureole, SW Montana, USA, are reviewed by Foote (1986). Contact metamorphism...+ humite (Hu), Hu, or Hu + chondrodite (Chn). Forsterite is either absent from or occurs in trace quantities...retrograde minerals. Periclase is hydrated to Brc. Forsterite and humite group minerals are partially to completely |  | | Book | | Avenue of the Americas, New York, NY 10013-2473, USA Cambridge University Press is part of the University...(A) Geologic sketch map of Shiprock in New Mexico, USA, showing dikes (linear features) radiating out of...Cretaceous sedimentary rocks, southern Colorado, USA 15 (A) Biotite-rich xenolith in granodiorite dike...cutting the Laramie anorthosite complex, Wyoming, USA. (B) Fine-grained granodiorite autolith in granite...magma chamber floor. Laramie anorthosite complex, USA 3.9 (A) Photo of alkali feldspar mantled with plagioclase |  | | Report (issue) | | GUIDEBOOI( OF NORTHERN UTAH Edited by Mead LeRoy Jensen Kennecott's Bingham Canyon mine, the world's...of Utah's fore~ost industry - copper production. UTAH GEOLOGICAL AND MINERALOGICAL SURVEY affiliated with...AND MINERAL INDUSTRIES University of Utah, Salt Lake City, Utah BULLETIN 82 • PRICE $4.00 • MAY... Norman C. Williams . • 17 PREHISTORIC MAN IN UTAH by fohn P. Marwitt 21 A SUMMARY, References ...View of the deposits of Danger Cave near Wendover Utah . . . . . . . . . . . 2. Cluster of Basketmaker |  | | Journal (article/letter/editorial) | | consists of dolomite (60 vol.%), calcite (30 vol.%), forsterite (5 vol.%), mica (5 vol.%) and minor amounts of... respectively. In contrast, dihedral angles for salt-rich fluids with carbonates were determined, and...metamorphism of siliceous dolomites: Alta Stock Aureole, Utah, USA. J. Petrol. 41, 739–757. Cooper, R.F...permeability, with application to the Notch Peak aureole, Utah. J. Geophys. Res. 106, 6477. Dawson, J.B., Hinton...Ushikubo, T., Valley, J.W., 2011. Formation of forsterite by silicification of dolomite during contact metamorphism |  | | Journal (article/letter/editorial) | | from the Notch Peak contact metamorphic aureole, Utah. Here, flat-lying limestones were intruded by a pluton...metalimestones from the Chester dome area, Vermont, USA (Sheppard and Schwarcz, 1970). It is worth noting...Notch Peak contact metamorphic aureole in western Utah. The Notch peak pluton (Jg in Fig. 3) is a Late...intrusion, in the central portion of the House Range, Utah (Hover-Granath et al., 1983). The surface exposure...Among the units that are intruded by the Notch Peak Stock are the Weeks (Clw in Fig. 3) and Orr Formations: |  | Bilohuščin, Vladimír, Uher, Pavel, Koděra, Peter, Milovská, Stanislava, Mikuš, Tomáš, Bačík, Peter (2017) Evolution of borate minerals from contact metamorphic to hydrothermal stages: Ludwigite-group minerals and szaibélyite from the Vysoká – Zlatno skarn, Slovakia. Mineralogy and Petrology, 111 (4) 643-658 doi:10.1007/s00710-017-0518-y | Journal (article/letter/editorial) | | is related to a biotite-amphibole granodiorite stock and quartz-diorite porphyry dyke clusters with the...Prograde stage minerals of the Mg-skarns include forsterite, diopside, spinel, magnetite, perovskite, and...Kα), metallic Ni (Ni Kα), willemite (Zn Kα), forsterite (Mg Kα), SrTiO3 (Sr Lα), albite (Na Kα), orthoclase...relatively rare, e.g. in Mount Brooks skarns, Alaska, USA (Aleksandrov and Troneva 2008) or Pitkäranta skarn...contact-metamorphic aureole around the Alta pluton, Utah, USA, where fluids emanating from granodiorite |  | | Journal (article/letter/editorial) | | GEOPHYSICS, UNIVERSITY OF WISCONSIN, MADISON, WI 53706, USA At Cima Uzza, the tonalitic Adamello batholith and...Company, P.O. Box 2189, Houston, TX 77252-2189, USA. Telephone: 713 431-4686. Fax: 713 431-7305. e-mail:...silica-poor dolostone outside the contact aureole to forsterite-grade dolomitic marble, siliceous calcite marble...clinohumite), forsterite, spinel, phlogopite, calcite, chlorite, and serpentine (after forsterite). Chlorite...occurs both as a fine-grained replacement of forsterite and spinel and as coarser-grained laths, possibly |
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