 | | Journal (article/letter/editorial) | | Jarosite-Rich Mineral Crust on Coastal Cliffs in Central Norway: Microstructural and Geochemical Investigations...Trondheim, Norway Museum of Archaeology, University of Stavanger (UiS), 4036 Stavanger, Norway Correspondence:...Jarosite samples from two costal locations in central Norway are investigated through the application of multiple...mineralization/biomineralization of jarosite in tandem with gypsum formation and dissolution. The pH level measured...central Norway Gebremariam, K.F. Jarosite-Rich Mineral Crust on Coastal Cliffs in Central Norway: Microstructural |  | | Journal (article/letter/editorial) | | the first banded iron formations. Later, bedded gypsum deposits in Australian evaporite sequences that...unavailable for oxidation of the algal carbon (Van Valen, 1971, Towe, 1978), which must be accounted for...a hypothesis. Precambrian Res., 16: 1--10. Van Valen, L., 1971. The history and stability of atmospheric |  | | Journal (article/letter/editorial) | | primitive atmosphere (Miller and Orgel, 1974). Van Valen (1971) has outlined difficulties in accounting for...kJ/mol S. However, formation of sulfate-S (+6) in gypsum by 196 reduction of CO2 to C is almost spontaneous...4 + -~C, AG O (25 °) = +2 + 6 kJ/mol S (5) so gypsum can form spontaneously at 25 ° C at COs pressure...vascular plants. Biol. Rev., 45: 319--352. Van Valen, L., 1971. The history and stability of atmospheric |  | | Report (issue) | | journal of Palaeontology and stratigraphy. Oslo, Norway. QE701.L4 Listener. The Listener and BBC Television...(English). ANDERSEN, BJORN G. 1965 The Quaternary of Norway. In: Rankama, (ed.) , 1965, 91-138, 23 figs., 2...SHTENGELOV, E. S. 1964 ICrystal Cave of Krivche in gypsum beds of Podolii.l. I Peshchery, :!:, 49-56, 1 fig...8451967D. 850, 3 figs. See: Marshall and Butler; Van Valen, Butler, et al. BUTLER, P. M., et & 1967 Mammalia...McKENNA, M. C., RUSSELL, D. E., SLOAN, R. E., and VAN VALEN, L. ' 1964 Cimolestidae Marsh, 1889 (Mammalia): |  | | Book | | (Academy of Sciences, U. S. S. R.); Dr. Leigh Van Valen (University of Chicago); Dr. John A. Wilson (University...the Mammal Bed.) Lower Purbeck Beds Marls with gypsum, insect beds, and cockle beds Cypris Freestone...restoration of the skeleton was made (Sloan and Van Valen, 1965). Also, a partial skull of the multituberculate..."a mammal tooth" taken from the Lance beds. Van Valen (1967) reported the presence of arctocyonid, leptictid-like...otherwise unknown species or even genera" (Van Valen, 1967, p. 3). Finally, in 1974 Douglas A. Lawson |  | | Journal (article/letter/editorial) | | Caprock 6.0 8.8 II.7 + gypsum (ppm)** Stock 256 352 365 869 967 Rayburn's gypsum anhydrite anhydrite...mineralogical zones above the salt stock: anhydrite, gypsum, and calcite (MURRAY, 1966). Anhydrite constitutes...meters thick, and is comprised of anhydrite and gypsum. It is generally accepted that caprock forms by...subsequent alteration of the anhydrite to form gypsum, calcite, and other minerals (MURRAY, 1966). The...argillaceous lower Smackover (especially the basinward ~~valen~) may have been a source of some of the radiogenic |  | | Journal (article/letter/editorial) | | P•RHO-TRIAS /•rose-violet p•yllltes &quartzites, gypsum TRIAS S p•aly limestones, marly intercalatlans...metamorphosedkeratojarride unit, especially nearEmilia and San Valen- phyres. However, these rocks occur in a zone of...siderite, Pb and Zn carbonates-anglesite, anhydrite, gypsum,jarosite, alunite-silica-clayminerals (occasionallyminor...(occasionallyminor sulfides) 3c. Jarosite;alunite, gypsum,anhydrite-quartz-clayminerals (occasionallysomesulfides)...ussite and other carbonates-jarosite, alunite, gypsum, anhydrite, beudantite-silica-clayminerals mainly |  | | Journal (article/letter/editorial) | | 2:30 ROSE, Kenneth 2:45 COFFEE BREAK 3:00 VAN VALEN, Leigh 3:15 Sexual PAN, Yuerong, FLEAGLE, John...fetal" stages. juvenile 23 FIBER GLASS REINFORCED GYPSUM CEMENT, APPLICATIONS AND METHODS FOR USE IN THE...2012 Hydrocal FGR-95and Surmat is a system of gypsum cement and fiber glass mat which, when used in...filament fiber flass mat. Fiber glass reinforced gypsum cement has several attractive features lacking...S. TOMIDA,Yukimitsu III TOOMEY, Rickard S., VAN VALEN, Leigh M. VAN VALKENBERGH, Blaire WADDLE, Diane |  | | Report (issue) | | named the Harbicht Hill locality by Sloan and Van Valen (1965). Lot A, an isolated M1 (AMNH 35980, length...become apparent when Robert Sloan and Leigh Van Valen began their fieldwork in western McCone County.... Harbicht Hill, a name coined by Sloan and Van Valen (1965) for the hill where Harbicht, his son, and...the Society of Vertebrate Paleontology. Leigh Van Valen, then a graduate student at the American Museum...the museum by Darwin Harbicht (Van Valen, 1967). Intrigued, Van Valen wrote Sloan “and asked if he could |  | | Journal (article/letter/editorial) | | basalts, along with abundant bedded anhydrite and gypsum. Lead is commonly the chief ore metal, though proportions...the oxygen available for iron precipitation (van Valen 1 971). There is little evidence for this in the...comparison. Geol. Soc. Am. Bull. 79: 1 527-44 van Valen, L. 1 97 1 . The history and stability of atrnosphcric |  | | Journal (article/letter/editorial) | | significance. of which were already declining (Van Valen, 1973) in parallel with the disappearance of large...interest that the algal mat is being replaced by gypsum and that the underlying anaerobic brine is depositing...'volcanic type' ores, chalk, dolomite, anhydrite (or gypsum) and ferric e.g. the Cretaceous to Early Tertiary...sediments. Earth Planet. Sci. Left. 26, 187-195. Van Valen L. (1973)A new evolutionary law. Evolut. Theory |  | | Book | | carbonaceous shales and lignites, and thin siltstones. Gypsum and glauconite are present as well as fossil plants...terrestrial relatives of Cetacea (Fig. lA; Van Valen, 1966; Prothero et al., 1988; Thewissen, 1994),...protein genes. Nucleic Acids Res. 18:6935-6942. Van Valen. L. 1966. Deltatheridia, a new order of mammals...Cetacean Clade MAUREEN A. O'LEARY 1. Introduction Van Valen (1966, 1968, 1969, 1978) first hypothesized that...(E)Tlng and U (1987); (F) Szalay (I969a); (0) Van Valen (1966, 1978). A is based on molecular evidence, |  | | Book | | .............................................. Gypsum .............· ..................................Germany . United States . . France . Netherlands Norway . 1937 714,980 626,580 235,800 237,600 538,710...arc li�hts . ) - 146 - GYPSUM The most significant occurrences of gypsum in the world are situated...smaller deposits in many other countries. In Brazil, gypsum - known as gypsita - is being mined chiefly in...gypsita, which are distributed by 16 deposits. Gypsum deposits of minor importance are to be found at |  | | Report (issue) | | formation in stream channel ----------------- 34 B. Gypsum of the San Andres formation in sink depression...the surface is underlain by strata of limestone, gypsum, shale, sandstone, and arkose that dip gently southeastward...into sink holes, the result of solution in the gypsum that constitutes much of the rock at the surface...with ironcarbonate bands and nodules seamed with gypsum; upper part dark, carbonaceous, fissile, with plant...---------------------- 62.0 Canas member : 41. Gypsum, white and gray --------------------------------------------- |  | | Journal (issue) | | sent it was quite sure it was rock salt. It was gypsum. Neither of them tried it with his tongue. A number...number of s ecimens sent as dolomite, were the finest valen oianites ever seen ythe writer—a very easy mistake |  | | Book | | affect the neighbouring calcite, changing it into gypsum or into a whole series of other sulphates. Opals...in its chemical composition. Rock salt, sylvine, gypsum, calcite and some iron ores, such as chamosite...Bj I I I 14 rhodonite axinite a II o gypsum wolframite ntanite augne orthoclase barytes...soft, yielding environment, such as crystals of gypsum in soft clay. Crystals may also develop freely...180°) occur quite frequently, e.g. in cassiterite gypsum, and fluorite. In some cases the growth of twin |  | | Journal (issue) | | stibiconite from the district. Gypsum C aS04-2H20 White, fibrous gypsum has been reported as rare from...Sulfates Alunogen Barite Botryogen Copiapite Epsomite Gypsum Halotrichite Jarosite Melanterite Specializing...alkali massif can be found in Reis and Valen^a (1979). Valen^a and Edgar (1979) published a review of...kaolinite and a member of the smectite group. Gypsum CaS04*2H20 Gypsum is also found as nodules and crystals...and in some cases show swallow-tail twinning. The gypsum may also have inclusions of azurite and malachite |  | | Report (volume) | | oxidized parts of the stibnite veins. Brownish valen- tinite (SbgO,,), white waxy senarmontite (Sb 0...bright-green stalactites, and rarer white fibrous gypsum (CaS04 .H20). Barlte (BaSO^ occurs as thin tabular |  | | 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....kermesite antimony $15 MINERALS 17.5 per cent, valen- The calcite. to 45 ore per cent, antimony...Ontario. GYPSUM. Pure gypsum is soft, black. white mineral. When dull and and foliated. gypsum. the... chemical considerably of its it massive gypsum, Satin composition harder and per as red |  | | Book | | Caves formed by hydrothermal waters Caves formed in gypsum Lava Tubes, Weathering Caves and Pseudokarst The...carbonates such as dolomite, in evaporites such as gypsum and halite, in silicates such as sandstone and...Jean-Bernard, France; Mammoth Cave, USA evaporites, e.g., gypsum, halite, anhydrite dissolution Optimisticheskaja... e.g., Paradise Ice Caves, USA; Nilgardsbreen, Norway Kenya melt water soil, especially duplex profiles...are also found in sandstones, evaporites such as gypsum, and basalt and granites. There are caves in the |  | | Book | | climate, whereas evaporite deposits, such as salt and gypsum, indicate aridity. Deposits in semi-arid regions...cent of its livestock, and the effects reached Norway and England. That remarkable polymath Benjamin...University of Chicago palaeobiologist Leigh Van Valen did some interesting research concerning the analysis...less constant in time. To account for this, Van Valen put forward his Red Queen hypothesis. Readers of...significance of mass extinctions Not unnaturally, Van Valen thought that his work was worthy of the pages of |  | | Catalog/List | | einmal ergeben. garantiere ich dafiir: daB Sle den valen Kaufpre/8 zuriickerhalten. Zur Bezahlung: /ch bevorzuge... 25.· r-ddbld,, llinnaal, Clt; KS s .• ur vil, Norway. KS S,U ..... /kali.a; MM S.· llrislol Dry Lau...MM 2,· bis 6,-; KS S,- bi. 25,-; HS 40,Sag,trut, Norway (Vor. Rubin/Ruby); MM J,-; KS S,- bis 12.,Mlldya...8, • TAvcstib, SP, MM S,- bis 10,Blciqw,sseli, Norway: MM 3,- bis 6.· Thorikon, uurion, GR (TYP); KS...lifornio, Mexico; MM J.· bis 5,·: KS 5,· bis 8,s. Gypsum Ahrensbcrg. Eifci, FRO; MM 5,· bis 10,Glldhsmmar |  | | Book (edition) | | vitriolique. See Sulphatite. Acido vitriolo saturata. See Gypsum . Acid sulphuric. See Sulphuric acid . Acid sulphurous...sulphuret of manganese, Phil lips. 5 Alabaster. See Gypsum and Calcite. Alabaster marble . See Calcite. Alabaster...Alabastra agatato . See Gypsum. Alabastrites. See Calcite and Gypsum . Alabastrum . See Gypsum. Alalite . See...See Calcite . Albastro agato . See Gypsum. Albâtre. See Gypsum. Albâtre antique. See Calcite . Albâtre...Albâtre calcaire. See Calcite. Albâtre gypseux. See Gypsum. Albert coal. See Albertite . Albertite, Robb |  | | Journal (issue) | | specimens to early European localities such as Arendal, Norway; St. Andreasberg; Freiberg and the like. There...it meant leading our 146 Figure 10. Water-clear gypsum crystal 6.5 cm tall from the 1100 level, West 4...very interesting mineral occurrences. Figure 1. Gypsum crystals up to 10 feet long in the Santo Domingo...Panczner photo. Figure 2. Bob Jones measuring a gypsum crystal in the Santo Domingo cavern. Panczner photo...known as the “Caverna de Santo Domingo.” This is a gypsum crystal cave of major proportions, measuring over |  | | Book | | very soft ( 1- 2) can be scratched fingernail 2. Gypsum 3. Calcite soft (2- 3) 4. Fluorite 5. Apatite...:Epsomite Erionite Gonnardite Goslarite Gowerite Gypsum H ydrozincite Jameson.ice Melanterite Meneghinite...Gaylussite Gerhard tite Glauberite Goslarite Greenockite Gypsum Halite Halotrichite Hanksite Hesaidrite Hieratite...brushes, as long as the minerals are not calcite, gypsum, selenite or other porous species. Ordinary vinegar...rare.ly in crystals. The samples from Kongsberg (Norway) are quite unusual; it can be found al Freiberg |
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