| | Journal (article/letter/editorial) | lake system, where abundant gypsum deposits occur (Benamaurel and Galera Gypsum units). This paper studies...petrographic and isotopic points of view. All the gypsum has been preserved as primary enabling a good characterization...alternation of gypsum and carbonate laminae accumulated suggesting a seasonal regime. Many of the gypsum laminae...in association with dark lutite levels, gypsum beds, and gypsum nodules and micronodules. Moreover, anoxic...zone, which resulted in the formation of native sulphur occurrences of economic value. In the marginal | | Bernasconi, Stefano M., Meier, Irene, Wohlwend, Stephan, Brack, Peter, Hochuli, Peter A., Bläsi, Hansruedi, Wortmann, Ulrich G., Ramseyer, Karl (2017) An evaporite-based high-resolution sulfur isotope record of Late Permian and Triassic seawater sulfate. Geochimica et Cosmochimica Acta, 204. 331-349 doi:10.1016/j.gca.2017.01.047 | Journal (article/letter/editorial) | sub-million year resolution, by analyzing exclusively gypsum and anhydrite deposits. We base our reconstruction...Switzerland and literature data from evaporites from Germany, Austria, Italy and the Middle East. We propose...precipitated gypsum may also differ from that of the original sea water sulfate. Because the gypsum precipitating...leading to an increase in δ34S in the precipitated gypsum. However, Fike and Grotzinger (2010) and Raab and...Triassic sections are outcropping in abandoned gypsum quarries. The ≈90 m thick “Riepel” section (645’210/253’850 | | | Journal (article/letter/editorial) | Howlite (silicoborocalcite) from the Winkworth gypsum quarries, the author found two nodules of unfamiliar... Nodules of selenite occasionally occur in the gypsum beds a t Winkworth, exactly resembling the amorphous...larger cavities of the altered melaphyre of this region are-delessite and green earth, calcite, mesitin...cent. iron, 2.28 nickel and cobalt, and 39.41 sulphur. The composition indicates the formula 6FeS FeS...iron, 7.19 antimony, 14.75 arsenic, and 25.12 sulphur. Or by calculation- 1.967 arsenic 0,589 antimony | | | Journal (article/letter/editorial) | cleavable mass of selenite, (gypsum). The specimen comes from the gypsum quarries at Alabaster, Iosco Co....Blue Earth Co., Minn., is noted for its marble quarries. Most of the stone is medium-grained, buff to...Scheelite, small spots in limestone, fl. blue. Sulphur, in barite nodules. Drusy Quartz, small terminations...believed that it was worked during the Civil War for sulphur, although only meager records which Mr. Veenfliet...to Princeton there are two or three limestone quarries. All three have quite a bit of calcite, mostly | | | Report (issue) | GEOLOGICAL SURVEYS MINERAL RESOURCES DIVISION GYPSUM AND ANHYDRI E By A. w. GROVES, D.Sc.(Lond...where available . •• • . 11 • CONTENTS PAGE GYPSUM AND ANHYDRITE Introduction . . . . . . . . Principal.... . . . . . . Mode of occurrence . . . . . . . Gypsum in relation to Overseas Mining Laws: Royalties...mining of gypsum deposits . Beneficiation of gypsum . . . . . . Chemical by-product gypsum . . . . .... Uses of gypsum As mined or quarried . . . . . • Crushed gypsum . . . . . . • Ground gypsum . . . . | | | Journal (article/letter/editorial) | and Mississippian samples, but only in a small region near Ottumwa. The cause of the anomalous values...in the U.S. Gypsum Company's Sperry Mine. Anhydrite is the major sulfate, although gypsum is important...Davenport member consist of nodular to finely laminar gypsum and anhydrite with varying amounts of gray limestone...contain nodular to massive brown anhydrite and gypsum, grading locally into a gray to tan siltstone....both cores vary from coarselycrystalline white gypsum to very fine pale-blue anhydrite, with few impurities | | | Book | substantial proportion of the output of the mines, quarries, raw state or in the form of manufactures and...Plasters Portland Cement 167 169 Lime 178 Gypsum and Gypsum Base Cements 185 Clay 197 PART III Fuels...635 Sulphur and Pyrite Native Sulphur 635 636 Pyrite 643 Economics Halite or of Sulphur and Pyrite...primarily by the fact that, on burning, pyrite yields sulphur dioxide fumes for the making of sulphuric acid...iron. The great competitor of pyrite, elemental sulphur, certainly cannot be spoken of as GENERAL PRINCIPLES | | | Book | Periclase 29 Brucite, Meerschaum, Steatite Gypsum 30 30 Anhydrite 30 Apatite, Phosphorite 31...39 Anthracite . . . .39 Common Coal . . . .39 Sulphur . . . Millerite, Sulphuret of Nickel 52 Copper...brown and red ironstone, by having given off their sulphur and taken up instead oxygen and wTater, or the...following: Degree ; Hardness of Talc. 2. 3? 33 Gypsum. 3. 33 33 Calcite. 4. 3? 3? Fluor Spar...course ; in many bodies, however, such as calcite, gypsum, etc., the ray divides into two parts, so that | | García-Veigas, Javier, Rosell, Laura, Cendón, Dioni I., Gibert, Luis, Martín, José M., Torres-Ruiz, José, Ortí, Federico (2015) Large celestine orebodies formed by early-diagenetic replacement of gypsified stromatolites (Upper Miocene, Montevive–Escúzar deposit, Granada Basin, Spain) Ore Geology Reviews, 64. 187-199 doi:10.1016/j.oregeorev.2014.07.009 | Journal (article/letter/editorial) | occurs within a gypsum/anhydrite–halite evaporite sequence where it replaces gypsum and gypsified stromatolites...but higher than those of the overlying gypsum unit (Agrón Gypsum; nonmarine). 87Sr/86Sr and δ34S isotope...Agrón Gypsum. The similarity in isotope values between celestine and the corresponding gypsum host in...According to that, both orebodies are diachronous. Gypsum pseudomorphs and molds, intraformational breccias...in these celestine deposits point to dissolved gypsum as the main sulfate source. Diagenetic–hydrothermal | | | Book | Elmsdale, of Nova Gypsum) Scotia. SELENITE From (Variety Elmsdale, of Gypsum) Nova Scotia. IRON...and type cleavage market. copper. (Sb2 S3) gypsum, containing It with other metals to pewter.... pigments employed as printing. an and, sulphur one limited a or and as of the a extent...effervesce shades In of yellow, structure it (Ba sulphur brown, may 4 heavier. with be S O ). It...occur soft, sky-blue Native is soluble of sulphur. showing secondary a a Chalcanthite is Its | | | Book (volume) | than the latter, for they furnish those acids of sulphur (sulphurous and sulphuric acids), which exist in...; and what is still more important, the native sulphur. All facts bearing on this subject, as well as...water small by reason of the limited occurrence of gypsum er Pe 81 Proportion of sulphate of magnesia in...LOD oe Ui LOS Tac Deposits of rock salt and gypsum pase sese 6 lil Sea water probably richer in...calcareous tufa in the iieuctons districts of Germany Deposits of gypsum 5 i. Deposits of hydrated peroxide | | | Book (chapter) | red gypsum, the fracture of which presents curved bundles of small crystalline plates ; the gypsum also...The gypseous marls again follow, then very marly gypsum, less red than the preceding, the beds of which...many masses of gypsum are met with separated by pure marls or gypseous marls ; the gypsum, with some few...places, five metres [16£ feet] thick; no trace of gypsum is again found to the summit of the last formation...been discovered in these masses of gypsum. There exists above the gypsum rocks a great height of marls, characterised | | | Report (volume) | 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..................................... Analyses of gypsum, by R. W. Stone..................................in the chemical analysis of gypsum, by George Steiger............ The gypsum industry, by R. W. Stone......... Cost of gypsum plaster...... I................................... Uses of gypsum.............. | | | Journal (article/letter/editorial) | with which were beds, veins, and intercalations of gypsum and anhydrite, and in the later formed rocks of...the ooliths is dolomite with centres of calcite, gypsum, or fluorite. Gypsiferous oolites have been proved...secondary, being deposited after the solution of the gypsum. These dolomitic and gypsiferous dolomitic oolites...dolomite and it has been known for many years that gypsum and anhydrite were associated with the Permian...5 near St. Bees Head, and in the Zechstein of Germany, and have been proved to occur in the Magnesian | | | Journal (article/letter/editorial) | a-days, instead of going into these great gypsum quarries, Versailles troops. Recent experiments of...leaving the channel completely free. calcium, sulphur, phosphorus, stearin, and paraffin are quite Each | | | Journal (article/letter/editorial) | name for similar rocks in Switzerland and South Germany. Thus, HimlackStone = Himmel·axt-stein P A. IRVING...the alluvial plain of the Humber. Much of this region was occupied in former times by Sherwood Forest;...of th e En glish Triassic rocks with those of Germany, showing th e absence of an intermediate form at...Variegated Marls and Upper Keuper Sandstone with Gypsum. 1. Lower Keuper Sandstone and Marl (" Waterstones...probably, with some portion of the Muschelkalk of Germany, and possibly synchronous with it too. LOWER KEUPER | | | Book (edition) | 133 MONOCLINIC SYSTEM 1. Normal Class (28). Gypsum Type Tartaric Acid Type 2. Hemimorphic Class (29)...System) NORMAL CLASS. (Prismatic. Holohedral.) Gypsum Type. 29. HEMIMORPHIC CLASS. Tartaric Acid Type...hence the lengths of the axes express Thus for sulphur (orthorhombic, strictly the axial ratio. see Fig...of the axes. Fig. 51 shows the unit pyramid of sulphur whose symbol is (111); it has eight similar faces...that given above. For example, in Fig. 79, of sulphur, the face lettered x is in the zone in zone (2) | | | Book | Springer-Verlag Berlin Heidelberg 2006 Printed in Germany The use of general descriptive names, registered...Schimmel Printing and binding: Stiirtz AG, Wurzburg, Germany Printed on acid-free paper 32/3141/as 5 4 3 2 1...present and past.20 Primary evaporite salts. 22 Gypsum beds.□ 23 Halite beds (chevrons and crusts).26...stylolites.50 Evaporites as uplift indicators.51 Fibrous gypsum and halite (satinspar).52 Saline clay authigenesis...Bromine profiles - brine genesis or stability?.92 Sulphur and oxygen isotopes.94 Boron Isotopes 96 Chlorine | | | Book | journal of Sedimentary Petrology "An Occurrence of Gypsum in Southwest Texas" "Modern Evaporite Deposition...Salina Salt of Michigan" "Origin and Diagenesis of Gypsum and Anhydrite" PERMISSIONS The following papers...final part introduces some co mplexities of the gypsum-anhydrite equilibrium, the substitution of Br·...Through 12 6. Masson, P. H .: "An Occurrence of Gypsum in Southwest Texas" 42 45 ]our. Sed. Petrol....27 24. Murray, R. C.: "Origin and Diagenesis of Gypsum and Anhydrite" 248 251 ]our. Sed. Petrol. , | | Jarzyna, Adrian, Bąbel, Maciej, Ługowski, Damian, Vladi, Firouz (2021) Petrographic Record and Conditions of Expansive Hydration of Anhydrite in the Recent Weathering Zone at the Abandoned Dingwall Gypsum Quarry, Nova Scotia, Canada. Minerals, 12 (1) 58 doi:10.3390/min12010058 | Journal (article/letter/editorial) | Recent Weathering Zone at the Abandoned Dingwall Gypsum Quarry, Nova Scotia, Canada 1, *, Damian Ługowski...Recent Weathering Zone at the Abandoned Dingwall Gypsum Quarry, Nova Scotia, Canada. Minerals 2022, 12...Karstwanderweg e.V., Düna 91, D-37520 Osterode, Germany; fvladi@t-online.de Correspondence: a.jarzyna@student...+48-508-749-742 (A.J.) Abstract: In the Dingwall gypsum quarry in Nova Scotia, Canada, operating in 1933–1955...have been uncovered from beneath the secondary gypsum beds of the extracted raw material. The anhydrite | | | Book | answer the purpose extremely well, and are sold in Germany at a — — — — very cheap rate. Besides occurring...perfectly distinct, as in 2. through 3. Quartz and Gypsum. Subtransparent, or semitransparent : it do not...5. Silky, or like silk. is apparent in fibrous Gypsum and Satin Spar. When combined in the same mineral...1. 2. 3. 4. Talc : the common laminated green Gypsum : a crystallized variety. Calc Spar : a transparent...for the recognition- of lithia, boracic acid, and gypsum. " 9th. Lead in a pure metallic state. " 10th Bone-ashes | | | Book (edition) | manufactured of great per; fection at Siegen, in Germany. Pasteboard models, likewise useful aids to the...in which may have values varyto oo Fig. 208, of sulphur, shows a zone of such planes, of ing from the general...are the same. forms are displayed in f. 208, of sulphur, already tions with referred c : b : to. ... The full symbol of the plane 1-3 is 3a. Sulphur. B. The hemihedral forms The vertically -oblique...is common with orthoclase basal plane. also with gypsum (f. 323). It has (f. 324); also been observed by | | | Book | easy to understand what is meant Pr (common gypsum,) In like manner the expression tetarto prismatic...Venetian Talc. f» 2 of a variety of puismatoidal Gypsum, of imperfect cleavage, and not perfectly transparent...Antimony-glance, being found equal to that of Prismatoidal Gypsum line, tic ; lying between that of Rhomboidal... the not-metallic Metal » order Blende der Sulphur. \ ; Pyrites, and Glance ; hardness from the...Genus I. Gypsum. t. Prismatoidal I St Gypsum, or Selenite, 21 Foliated Granular Gypsum, 22 23 Subsp | | | Report (volume) | Director Bulletin 871 MINERAL RESOURCES OF THE REGION AROUND BOULDER DAM BY D. F. HEWETT, EUGENE CALLAGHAN...B. N. Moore__________________________________ Sulphur, by B. N. Moore______ ....^......................rock, by B. N. Moore__-__-________________________ Gypsum, by B. N. Moore, Eugene Callaghan, and W. W. Rubey...----------------------------- ---106 6. A, Part of the quarries on the bedded magnesite deposit near Bissell,...39. Sketch traverse showing extent of the open quarries in the magnesite deposit near Bissell, Kern County | | | Book (edition) | manufactured of great perfection at Siegen, in Germany. Pasteboard models, likev/ise useful aids to the...are the same. forms are displayed in f. 208, of sulphur, already The f nil symbol of the plane 1-S is referred...referred to c'.h 3a. tlie tions '. Sulphur. B. Jlemihedral Forms. The heraibedral forms The vertically...thia may be rino; crystal lographic Bpecics. Gypsum. Orthoclase, Orthoclase. Orthoclase. Fig. 333...as is often observed in common salt, alum, and sulphur. This is due in part to their rapid growth. tliird |
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