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The AAPG/Datapages Combined Publications Database
Showing 843 Results. Searched 200,691 documents.
Environmental and Climatic Controlled Fractionation of Elements in the Mesozoic Carbonate Sequences of the Western Carpathians
Jan Veizer, Rudolf Demovic
Journal of Sedimentary Research (SEPM)
..., whether the scheme would be applicable for Precambrian. However, it may be worthy of further exploration for Paleozoic and Mesozoic rocks. Barium...
1973
Sulphate Reduction in Deep Subsurface Waters: Part VI. Oil-Field Waters
Roy L. Ginter
AAPG Special Volumes
... as the Reducing Agent) A good example of chemical reduction of sulphates is one of the major steps in the manufacture of lithophone. Barium sulphate is calcined...
1934
California Oil-Field Waters: Part VI. Oil-Field Waters
Joseph Jensen
AAPG Special Volumes
... water survey in oil wells," is accomplished in the following manner. A sufficient amount of special solution containing barium sulphate, bentonite clay...
1934
The Environmental Realities of Petroleum Exploration: Chapter 28: Part V. Legal, Political, Ethical, and Environmental Aspects of the Business
G. Rogge Marsh
AAPG Special Volumes
... to barium and chromium, and has been demonstrated only in the laboratory. Despite studies such as this, the EPA is currently developing revised...
1992
Subsurface Disposal of Liquid Industrial Wastes by Deep-Well Injection
Don L. Warner
AAPG Special Volumes
..., barium, strontium, and magnesium as relatively insoluble carbonates, sulfates, orthophosphates, fluorides, and hydroxides; (2) precipitation...
1968
Major-Element Geochemistry of Brines from the Wind Tidal Flat Area, Laguna Madre, Texas
David T. Long, Robert Gudramovics
Journal of Sedimentary Research (SEPM)
... by a Mohr titration using silver nitrate; bromide by colorimetry (Presley, 1971); and sulfate by barium sulfate precipitation (Dunk et al., 1969). FOOTNOTE...
1983
Environmental Studies of Carboniferous Sediments Part I: Geochemical Criteria for Differentiating Marine from Fresh-Water Shales
E. T. Degens, E. G. Williams, M. L. Keith
AAPG Bulletin
... expected to be diagnostic were found to be of little use for our samples. As pointed out by Degens (1957), barium, strontium, lead, copper, and manganese...
1957
Microscopic Distribution of Thorium and Uranium in Volcanic Rock Textures and Minerals
John W. Gabelman
AAPG Special Volumes
... and contributed somewhat to Bidahochi sediments. These fluids also introduced ferruginous chalcedony, barium, sulfur, chlorine, fluorine, vanadium...
1981
Uranium Mineralization of Sierra Gomez, Chihuahua, Mexico
S. M. Mitchell, P. C. Goodell, D. V. LeMone, N. E. Pingitore
AAPG Special Volumes
... of log vanadium and barium concentrations versus log molybdenum content show enrichment of these elements in mineralized samples. One sample...
1981
Genetic Relation of Various Types of Natural Gas Deposits in Japan
Ryuichi Sugisaki
AAPG Bulletin
... driven from the water sample is absorbed by barium hydroxide and then total carbonic acids is determined by back titration with normal hydrochloric...
1964
Trace-Element and Major-Element Stratigraphy in Quaternary Sediments from the Arctic Ocean and Implications for Glacial Termination
A. Aldahan , G. Possnert , R. Scherer , N. Shi , J. Backman , K. Bostrom
Journal of Sedimentary Research (SEPM)
... stages 2-4 in the Polar North Atlantic: Geology, v. 24, p. 599-602. DYMOND, J., SUESS, E., AND LYLE, M., 1992, Barium in deep-sea sediment: A geochemical...
2000
Application of Geochemistry to Stratigraphic Problems in Lower Cretaceous of Western Canada
E. M. Cameron
AAPG Bulletin
... in the Cretaceous sandstones along the Foothills of Alberta. Marked contrasts in the content of two elements, sodium and barium, between different...
1965
Sulfate Cavity Filling in the Lower Werra Anhydrite (Zechstein, Permian), Zdrada Area, Northern Poland: Evidence for Early Diagenetic Evaporite Paleokarst Formed Under Sedimentary Cover
Sofiya P. Hryniv, Tadeusz Marek Peryt
Journal of Sedimentary Research (SEPM)
... dried at 50°C. SO2 was produced by the reduction of NaPO3 and V2O5 by barium sulfate at a temperature of 850°C. CO2 was produced in a separate vacuum...
2003
A Comparison of Nanometer-Scale Growth and Dissolution Features on Natural and Synthetic Dolomite Crystals: Implications for the Origin of Dolomite
Stephen E. Kaczmarek, Duncan F. Sibley
Journal of Sedimentary Research (SEPM)
... of Dolomitization: SEPM, Special Publication 28, p. 111–121. Maiwa, K., Plomp, M., van Enckevort, W.J.P., and Bennema, P., 1998, AFM observation of barium nitrate...
2007
Continental Sabkha in Arava Valley Between Dead Sea and Red Sea: Significance for Origin of Evaporites
Abraham J. Amiel , Gerald M. Friedman
AAPG Bulletin
... salinity--with the conductivity bridge (Jackson, 1958); (3) sulfates--gravimetric determination as barium sulfate; and (4) magnesium plus calcium...
1971
Environmental Significance of Salt
Joseph D. Martinez
AAPG Bulletin
... (Selm and Hulse, 1959). They include precipitation of calcium, barium, strontium, and magnesium as carbonates, sulfates, orthophosphates, fluorides...
1971
Origin of Uraniferous Phosphatic Beds in Wilkins Peak Member of Green River Formation, Wyoming
L. V. Mott , J. I. Drever
AAPG Bulletin
... of substitutions for calcium in the carbonate End_Page 77------------------------------ minerals. This seems unlikely, however, because only barium...
1983
Hydrocarbon-Generating Potential of Humic Coals from Dry Pyrolysis (1)
SHAN-TAN LU and ISAAC R. KAPLAN
AAPG Bulletin
... to sulfate with a LECO carbon/sulfur analyzer. The sulfate was precipitated as barium sulfate, which was then converted in a vacuum line to SO[2] gas...
1990
Fractured Basement Reservoir Characterization for Fracture Distribution, Porosity and Permeability Prediction; #41106 (2012)
Marie Lefranc, Sherif Farag, Laurent Souche, and Agnes Dubois
Search and Discovery.com
... resistivity logs that might show a separation larger than usual, (3) the barium in the drilling mud, which might invade a fracture and result...
2012
Characterization of feed coals and coal combustion byproducts from the Wyodak-Anderson coal zone, Powder River Basin, Wyoming
Michael E. Brownfield
Rocky Mountain Association of Geologists
.... The mineral suites have contributed to the higher amounts of barium, calcium, magnesium, phosphorus, sodium, strontium, and titanium in the Powder River Basin...
2020
TAPHONOMIC ANALYSIS OF CAMBRIAN VERMIFORM FOSSILS OF UTAH AND NEVADA, AND IMPLICATIONS FOR THE CHEMISTRY OF BURGESS SHALE-TYPE PRESERVATION
JESSE S. BROCE, JAMES D. SCHIFFBAUER
PALAIOS
...). The Burgess Shale, Canadian Rockies, is one of the most recognized fossil Lagerst¨ tten, and exemplifies fossil preservation via compression...
2017
Permian Saline Lakes in the Aragón-Béarn Basin, Western Pyrenees
Blas L. Valero Garces, Josep Gisbert Aguilar
Special Publications of SEPM
... fractions are similar and range from 2 000 to 5 000 ppm Hundreds of ppm of strontium and manganese and tens of ppms of barium and zinc com plete...
1994
Geochemical and Hydrogeologic Methods of Prospecting for Stratigraphic Traps: Geologic Exploration Methods
Parke A. Dickey, John M. Hunt
AAPG Special Volumes
..., A. G., 1967, Emission spectrographic determination of barium, boron, iron, manganese, and strontium in oilfield waters, using a plasma arc: Appl...
1972
Geothermal Resources
C. R. B. Lister
Circum Pacific Council Publications
...-migrating fluids are the most proba ble source. The chemistry of barium suggests that the flows were most likely slow and diffuse, more from the dewatering...
1987
Taphonomy of vertebrate fossil assemblages from swampy circum-lake environments: An example from the late Eocene of Zambrana (Iberian Peninsula)
Ainara Badiola, Ana Berreteaga, Xabier Pereda-Suberbiola, Javier Elorza, Humberto Astibia, Nestor Etxebarria
PALAIOS
...). The predominant trace elements in the fossils are Ce, U, V, and, in minor proportions, Y (Supplementary Data 2–31). Barium (Ba) appears in large quantities...
2009