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| com/locate/sedgeo Vertical variations in bassanite distribution patterns in near-surface sediments, southern...Ghent, Belgium Received 15 February 2005; received in revised form 7 September 2005; accepted 7 September...area in southern Egypt contain bassanite (CaSO4d 0.5H2O), associated with gypsum (CaSO4d 2H2O), in the...by dehydration of gypsum, is marked by variations in mode of occurrence with depth. In the lowest bassanite-bearing...between gypsum crystals in pores, which is related to the protection of bassanite from rehydration in those |
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| -- Printed in The Netherlands 263 SULFUR-ISOTOPE GEOCHEMISTRY OF FRACTURE-FILLING GYPSUM IN AN ARCHEAN...Sulfur-isotope geochemistry of fracture-filling gypsum in an Archean granite near Atikokan, Ontario, Canada...Geol., 3 9 : 2 6 3 - - 2 7 2 . Gypsum occurs as fracture-f'llling material in the Eye--Dashwa lakes pluton...Sulfur-isotope analyses and mode of occurrence indicate that the gypsum is probably of Precambrian age, even...the gypsum was formed by the interaction of porewater with epidote, plagioclase and pyrite. Gypsum occurs |
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| pp. 351 to 358, of sulphur 1994 in soil and water in a Precambrian terrain, S. India GUNNAR...Vertisols containing gypsum concretions in amounts commercially extractable. Sulphur in the concretions as...as well as sulphur in atmospheric deposition and in groundwater was investigated by means of sulphur...analysis. The isotopic ratios in the gypsum fall in the same range as those in atmospheric deposition suggesting...that the sulphate is of atmospheric origin brought in by the strong monsoonal winds. The deposition contains |
 | Bojar, Ana-Voica, Barbu, Victor, Wojtowicz, Artur, Bojar, Hans-Peter, HaĆas, StanisĆaw, Duliu, Octavian (2018) Miocene SlÄnic Tuff, Eastern Carpathians, Romania, in the Context of Badenian Salinity Crisis. Geosciences, 8 (2) 73 doi:10.3390/geosciences8020073 | Journal (article/letter/editorial) |
| Miocene SlÄnic Tuff, Eastern Carpathians, Romania, in the Context of Badenian Salinity Crisis Ana-Voica...the absolute age of the Badenian salinity crisis in the bend sector of the Eastern Carpathians. Within...Within the green SlÄnic Tuff, white tuff layers were in evidence. The main element distribution of the white... As above these tuff layers discrete levels of gypsum occur, the age documents the beginning of the restrictive...restrictive circulation and formation of evaporites in this sector of Carpathians during Badenian times |
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| the Queen in Right of Canada, 2003 Catalogue No. M41-8/58E ISBN 0-660-18932-1 Available in Canada from...this publication is also available for reference in selected public libraries across Canada Cette publication...français Cover illustration Pendant: labradorite set in sterling silver. Designed and handcrafted by Ann...produced by Cornelius Wytfliet and published in Louvain in 1597. Newfoundland and Labrador are referred...that time. The single-island concept became accepted in the seventeenth century. National Archives Canada |
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| DOI 10.1007/s13146-011-0055-4 ORIGINAL ARTICLE Gypsum collapse hazards and importance of hazard mapping...2011 Springer-Verlag 2011 Abstract Collapse in gypsum terrains is a serious geological hazard and can...engineering geological data in the form of a hazard map is a useful tool in urban planning. To avoid the...collected and used in urban planing. Interpretation of future collapse occurrence requires an understanding...collapse, it is necessary to assume that collapse occurrence is determined by collapse-related factors, and |
 | Hall, A. J., Fallick, A. E., Perdikatsis, V., Photos-Jones, E. (2003) A model for the origin of Al-rich efflorescences near fumaroles, Melos, Greece: enhanced weathering in a geothermal setting. Mineralogical Magazine, 67 (2) 363-379 doi:10.1180/0026461036720102 | Journal (article/letter/editorial) |
| near fumaroles, Melos, Greece: enhanced weathering in a geothermal setting A. J. HALL1,*, A. E. FALLICK2...Archaeology, Glasgow, UK 2 ABSTR ACT Efflorescences in the geothermal field of SE Melos, Greece, contain...which could represent the Melian alumen exploited in Roman times and commended by Pliny. The efflorescences...and other cations. d34S% V-CDT values for sulphur in fumarole sublimates, solfatara soils and âveinsâ... mean 3.8% (n = 8) while Al, Ca and Mg-sulphates in diverse settings range from â4.1 to 6.8% (n = 16) |
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| . . . . . . . . . . . . . Cap aux Meules gypsum occurrence . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . Baie du Sud occurrence . . . . . . . . . . . . . . . . . . . . . . ................................... Butte Ronde occurrence . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . Ile Boudreau occurrence . . .. .. . .. ... . . . . .. . .. . .. . .....34 34 Contents (cont. ) Page Demoiselle Hill occurrence . . . . . . . . . . . . . . . . . . . . . . |
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| inventory of more than 1000 mines and mineral occurrences in Afghanistan was compiled from published literature...metals, industrial minerals, coal, and peat. Listings in the table represent several levels of information...resources were the dominant sources used for this effort. In 1995, the United Nation's Economic and Social Commission...Many of the individual mines listed in the text are not included in the summary table of this publication...gem districts are in the table. Locations in Appendix A that were identified 3 only in Bowersox and Chamberlin |
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| GYPSUM KARST IN THE WESTERN UKRAINE: HYDROCHEMISTRY AND SOLUTION RATES A.B. Klimchouk and S.D. Aksem...Ukraine; klim@klim.arrier.kiev.ua ABSTRACT: Gypsum karst in the westernUkraine underliesa largeterritoryof...higher there,due to higher rates of flowthroughthe gypsum and the largerarea of rock/solventcontact. The...solubility of gypsum and fast solution rates, sulphate ions commonly dominate in groundwaters of gypsum-karst...shed light on flow pattern and groundwater behaviour in a system. Such studies are particularly informative |
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| 2015, published in Geokhimiya, 2015, No. 9, pp. 828â841. Kinetics of Gypsum Dissolution in Water A. L. Lebedev...dissolution of different lithological varieties of gypsum was experimentally inves tigated at 5â25°C and...kinetics. It was shown that the kinetic parameters of gypsum dissolution are invariant to the initial concentrations...size of gypsum and changes during epigenetic processes. The obtained kinetic parameters of gypsum dissolution...dissolution in water will be used for the calculation of groundwa terdriven mass transfer. Keywords: lithological |
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| Feldspar 9. Fluorite 10. Gamet .. l l. Graphite 12. Gypsum 13. Kyanite 14. Limestones .. 15. Magnesite .....glasses 19. Production of crushed stone in Botswana 20. Quarry Sites in Botswana .. 21. Analyses ofMoshaneng...2. Foley gypsite deposits 3. Industrial minerals in the Gaborone - Lobatse Area 10 22 32 PLATES Plate...become renowned in their role of transforming a developing country. Of equal importance in supplying the...being imported from abroad. Gypsum, asbestos and fluorspar have yet to be found in exploitable deposits. One |
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| ABSTRACT In the Ningyo-toge area, on uranium the is emplaced surface uranium tified in found...found to be uraniferous. cipally zone. in ningyoite in the unoxidized zone, and Uranium of the other forms...demonstrated. als, the which and observation gypsum partly and statistical elements, occur commonly...together indicated allogenic carbonaceous only in the oxydized uranium of analysis quantitatively... the cor Zn and P, S, Ca, with applied and in These phosphorus was less minerals. sericite |
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| Stream-sediment samples C9 Carbonate rocks Cll Gypsum Cll Sand and gravel Cll Assessment of mineral resource...References cited C21 Appendix C23 PLATE [Plate is in pocket] 1. Mineral resource potential and geologic...identified resources and mineral resource potential in the Big Hatchet Mountains Wilderness Study Area C3...Study Area C8 4. Distribution of oil and gas leases in and near the Big Hatchet Mountains Wilderness Study...(NM-030-035) Wilderness Study Area covers 49,151 acres in the extreme southwestern corner of New Mexico (fig |
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| Selected Annotated Bibliography of Gypsum and Anhydrite in the United States and Puerto Rico By CHARLES...geographic occurrences, origin, technology, and uses of gypsum and anhydrite UNIT.ED STATES GOVERNMENT PRINTING...1920comp. Selected annotated bibliography of gypsum and anhydrite in the United States and Puerto Rico, by Charles...S. Geological Survey. Bulletin 1105) 1. Gypsum-Bibl. 2. Gypsum-U.S. 3. Anhydrite--Bib!. 4. Anhydrite-U...______________________________________________ Gypsum and anhydrite_____________________________________________ |
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| Recommendations and statements of opinion expressed in the Content are those of the author or authors and...the Content for legal advice nor as authoritative in your particular circumstances. Users should verify...operated by MNDM. Linked Web sites may not be available in French. MNDM neither endorses nor assumes any responsibility...recommended that reference to the Content be made in the following form: , ...Content: The Content may be used and reproduced only in accordance with applicable intellectual property |
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| oxide in the PNF______________________________________ 22 Comparable sources of iron oxide in northern...______________ 26 Possible sources of cat-litter in the PNF area _______________________________ 27 Volcanic...___________________________________________________ 28 Gypsum ___________________________________________________...rocks _________________________________________3 4 Gypsum ______________________________________________35...mineralogy__________________________ 51 What minerals are present in the PNF? __________________________________ 53 Introduction |
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| Director Any use of trade, product, or firm names in this publication is for descriptive purposes only...25425 Denver, CO 80225 Library of Congress Cataloging-In-Publication Data Mineral resources of the San Rafael...Appraisal of identified resources 10 10 Mining history in the San Rafael Swell region 10 Muddy Creek Wilderness...Uranium and vanadium 17 Industrial minerals 19 Gypsum 19 Sandstone 19 Limestone 20 Petrified wood 20...Uranium and vanadium 20 Industrial minerals 20 Gypsum 20 Sandstone, sand, and gravel 21 Semiprecious |
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| GEOLOGICAL SURVEYS MINERAL RESOURCES DIVISION GYPSUM AND ANHYDRI E By A. w. GROVES, D.Sc.(Lond...Dr. A . W. Groves . In consequence of the delay in printing many · modifications in the text have beconie...where available . âąâą âą . 11 âą CONTENTS PAGE GYPSUM AND ANHYDRITE Introduction . . . . . . . . Principal...properties . . . . . . . Mode of occurrence . . . . . . . Gypsum in relation to Overseas Mining Laws:...mining of gypsum deposits . Beneficiation of gypsum . . . . . . Chemical by-product gypsum . . . . . |
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| r d a m 35 [EW] Sources and dynamics of sulfur in weathered till, Western Glaciated Plains of North...ABSTRACT At three sites in the Western Glaciated Plains, Warman and Luck Lake in Saskatchewan, Canada,...River in Alberta, Canada, thick ( >t 30 m ) till sequences contain ~ 0.3-0.8% S by dry weight. In the unweathered...pyrite. The remainder, largely organic S, is enriched in 345 by 6-12o/0o relative to the pyrite. At the Bow...River site, both pyrite and organic S are enriched in 34S (by up to 9%o) relative to samples of the same |
 | Calvo, J.P., Jones, B.F., Bustillo, M., Fort, R., Alonso Zarza, A.M., Kendall, C. (1995) Sedimentology and geochemistry of carbonates from lacustrine sequences in the Madrid Basin, central Spain. Chemical Geology, 123 (1) 173-191 doi:10.1016/0009-2541(94)00161-z | Journal (article/letter/editorial) |
| geochemistry of carbonates from lacustrine sequences in the Madrid Basin, central Spain J.P. Calvo a,*, B...been investigated in Middle Miocene successions of the western side of the Madrid Basin in order to evaluate...evaluate paleoenvironments in which carbonates formed. Carbonate facies are varied and include: ( 1) calcrete...No high-Mg calcite or aragonite have been detected in any sample. Sâ80- and GâC-values range from - 8.20...predominantly calcite calcretes and to carbonate deposited in ponds at the foot of arkosic alluvium. Higher 6â*0-values |
 | | Book |
| and Pan-American Copyright Conventions. Published in the United States by Alfred A. Knopf, Inc., New...York. Prepared and produced by Chanticleer Press, in Inc., New York. Color reproductions Milan, Italy...68 minerals and 12 rocks, all commonly occurring in North America or frequently seen at shows. The geographical...charts, tells you what characteristics to look for in a mineral. "Identifying Rocks" gives practical clues...throughout. In a way, the two are like a patchwork quilt: the combination of patches in the quilt form |
 | | Journal (article/letter/editorial) |
| 25 Leading articles are in bold face type; notes, abstracts and reviews are in ordinary type. Only minerals...country. . . . .203, 432 /od 2Il Bagrowski, B. P. Occurrence of millerite at Milwaukee, Wis212 consin.. J...water. 810 Arsenopyrite, optical evidence of twinning in. (Lukesh) 619 Arsenopyrite, thermal decomposition...Jr. Detrital dihexahedral quartz crystals in a sedimen in Upper Magdalena Val145 l e y , C o l o m b...second appendix. (Hey) [Book review] Ceramic clay in Hawaii. (Wentworth, W'ells, Allen). .. Cerite, |
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| SURVEY GEOKGE OTIS SMITH, Director Bulletin 697 GYPSUM DEPOSITS OF THE UNITED STATES BY R. W. STONE....................... Mineralogy and geology of gypsum, by R. W. Stone....................... Chemical............................................... Occurrence.......................:.......................... Analyses of gypsum, by R. W. Stone...................................... Errors in the chemical analysis...analysis of gypsum, by George Steiger............ The gypsum industry, by R. W. Stone................ |
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| Ss Od NET Petrological Microscopes. Specialists in the manufacture of petrological nucroscopes for...COMMERCIAL SERVICE The Bank has over 450 Branches in South, East and Central Africa, and Agents and Correspondents...Address : Tropoutfit Piccy London . . Rocks sliced in a few seconds by the MOTTACUTTA LABORATORY ROCK CUTTING...diamondin1pregnated cutting wheel and a 4" grinding lap. Housed in a beautiful cabinet of stainless steel and enamel...) E.C.2 CABLES : PLA TIVET, LONDON Specialists In : WOLFRAM SCHEELITE CHROME MOLYBDENITE TANTALITE |
