Silicification of Carbonate Pebbles in a Fluvial Conglomerate by Groundwater

Earle F. McBride

Journal of Sedimentary Research (SEPM)

... conversion of opal-A to quartz has not been documented but is predicted on thermodynamic data (Williams et al. 985). The conversion of opal-A through opal...

Influences of Dolomite Precipitation on Quartz Surface Textures

Robert G. Maliva , Raymond Siever

Journal of Sedimentary Research (SEPM)

..., T., AND ORTOLEVA, P. J., 1989, Mechano-chemical coupling in stressed rocks: Geochim. Cosmochim. Acta, v. 53, p. 1243-1258. DOCKAL, J. A., 1988, Thermodynamic...

A Study of Rock-Water Interaction and Simulation of Diagenesis in the Upper Almond Sandstones of the Red Desert and Washakie Basins, Wyoming

Indu D. Meshri, Jana M. Walker

AAPG Special Volumes

... water collection and analysis procedures, better thermodynamic data, and availability of better chemical models. Location of Study Area The study...

Iron Sulfide and Carbonate Mineral Diagenesis in Baffin Bay, Texas

John W. Morse, Jeffrey C. Cornwell, Takeshi Arakaki, Saulwood Lin, Miguel Huerta-Diaz

Journal of Sedimentary Research (SEPM)

... of Stainton (1973) with a precision of 2%. The saturation state of the pore waters was calculated with respect to aragonite using appropriate thermodynamic...

Skeletal and Isotopic Composition and Paleoclimatic Significance of Late Pleistocene Carbonates, Ross Sea, Antarctica

Marco Taviani , David E. Reid , John B. Anderson

Journal of Sedimentary Research (SEPM)

... carbonate sediments is reasonably close to calcium carbonate precipitated close to or at the thermodynamic equilibrium. The observed range of 18O...

The Role of Meteoric Water in Diagenesis of Shallow Sandstones: Stable Isotope Studies of the Milk River Aquifer and Gas Pool, Southeastern Alberta: Part 1. Concepts and Principles

Fred J. Longstaffe

AAPG Special Volumes

... at low temperatures and calculation of thermodynamic equilibria. Application to laboratory and field observations: Clays and Clay Minerals, v. 26, p...

Biogeochemistry and Origin of a Phosphoritized Coprolite from Anoxic Sediment of the Santa Barbara Basin

Arndt Schimmelmann , Jeffrey D. Schuffert , M. Indira Venkatesan , Jim Leather , Carina B. Lange , Gleb N. Baturin , Alain Simon

Journal of Sedimentary Research (SEPM)

... has greater thermodynamic stability relative to coprostanol (Barton and Cookson 1956; and references therein). Our analytical results thus imply...

Moganite as an Indicator for Vanished Evaporites: A Testament Reborn?

Peter J. Heaney

Journal of Sedimentary Research (SEPM)

... and associated dolomitization: Journal of Sedimentary Petrology, v. 44, p. 421-427. JAMBOR, J.L., AND GREW, E.S., 1993, New mineral names: American...

Effects of Differential Cementation on the Sonic Velocities of Upper Cretaceous Skeletal Grainstones (Southeastern Netherlands)

Jeroen A. M. Kenter, Bruce W. Fouke, Marc Reinders

Journal of Sedimentary Research (SEPM)

... for a significant variation in the petrophysical properties of carbonate rocks is diagenetic alteration. The inherent thermodynamic metastabilit of calcite...

Authigenic Chabazite and Implications for Weathering in Sirius Group Diamictite, Table Mountain, Dry Valleys, Antarctica

Warren W. Dickinson, Rodney H. Grapes

Journal of Sedimentary Research (SEPM)

..., D.M., 1981, Some thermodynamic relationships governing the behavior of permafrost and patterned ground, in Reports of Planetary Geology Progress, 1981...

Kaolin Cements in Limestones: Potential Indicators of Organic-Rich Pore Waters During Diagenesis

R.G. Maliva , J.A.D. Dickson , A.E. Fallick

Journal of Sedimentary Research (SEPM)

...). Thermodynamic modeling by Fein and Hestrin (1994) demonstrated that depending upon stoichiometry of the aluminum-oxalate complex, the presence of calcium may...

Petrography and Geochemistry of Holocene Sands in the Western Gulf of Mexico: Implications for Provenance and Tectonic Setting

J.J. Kasper-Zubillaga , A. Carranza-Edwards , L. Rosales-Hoz

Journal of Sedimentary Research (SEPM)

... weathering trend of plutonic and volcanic rocks based on thermodynamic and kinetic considerations: Geochimica et Cosmochimica Acta, v. 48, p. 1523-1534...

Formation of Dolomite in Recent Island-Arc Sediments Due to Gas-Seawater-Sediment Interaction

Thomas Pichler , John D. Humphrey

Journal of Sedimentary Research (SEPM)

...). Activities for Mg2+, Ca2+, Fe2+, SO42-, and HCO3- are assumed to be 10-3, 10-3.7, 10-5, 10-2.6 and 100.23, respectively. Mg/Ca = 5. Thermodynamic data...

Relation Between Petroleum and Source Rock

Dietrich H. Welte

AAPG Bulletin

...., Braun, M. R., and Pimentel, G., 1953, Selected values of physical and thermodynamic properties of hydrocarbons and related compounds: Carnegie Press...

1992 AAPG International Conference, August 2-5, 1992, Sydney, N.S.W., - Abstracts, #91015 (1992).

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Clay Minerals and Petroleum-Forming Reactions During Burial and Diagenesis

William D. Johns , Akira Shimoyama

AAPG Bulletin

... Minerales Arcilla, C.S.I.C., p. 1-9. Fripiat, T. T., A. N. Telli, G. Poncelet, and T. Andre, 1965, Thermodynamic properties of adsorbed water molecules...

Hydrocarbon Generation in Gulf Coast Tertiary Sediments

Roger E. Laplante

AAPG Bulletin

... no longer can be sustained, and decomposition into compounds of greater thermodynamic stability occurs. Following the death of the organism, there are two...

Secondary Carbonate Porosity as Related to Early Tertiary Depositional Facies, Zelten Field, Libya

D. G. Bebout , Charles Pendexter

AAPG Bulletin

..., sedimentary structures, chemistry of pore fluids, time of porosity development, and the thermodynamic and kinetic processes involved. This study...

Porosity Dependence on Temperature: Limits on Maximum Possible Effect

Lee P. Stephenson

AAPG Bulletin

... porosity reduction in a given time. Thermodynamic equilibrium may, or may not, be approached in any of these processes at any stage of the porosity...

Diagenesis and Primary Migration in Upper Jurassic Claystone Source Rocks in North Sea

Holger Lindgreen

AAPG Bulletin

... frequent radius of 16-19A found with N2 (Sing, 1976) probably indicates thermodynamic instability of liquid nitrogen at p/p0 = 0.4, rather than...

Parameters Influencing Porosity in Sandstones: A Model for Sandstone Porosity Prediction

M. Scherer

AAPG Bulletin

...). Such an interrelationship makes predictions based on thermodynamic equilibrium considerations difficult, if not impossible. Quantification...

Temperature Variations in South Texas Subsurface

Daniel P. Bodner , John M. Sharp, Jr.

AAPG Bulletin

.... Keenan, J. H., F. G. Keyes, P. G. Hill, and J. G. Moore, 1978, Steam tables--thermodynamic properties of water including vapor, liquid, and solid phases...

Regional Trends in Water Chemistry, Smackover Formation, Southwest Arkansas: Geochemical and Physical Controls (1)

EVA P. MOLDOVANYI and LYNN M. WALTER

AAPG Bulletin

... species in subsurface waters. Thermodynamic modeling and aqueous speciation of Smackover Formation brines, however, is complicated by the high ionic...

An upwelling model for the Phosphoria sea: A Permian, ocean-margin sea in the northwest United States

David Z. Piper, Paul Karl Link

AAPG Bulletin

...., and B. L. Lewis, 1991, Thermodynamic modeling of trace metal speciation in the Black Sea, in E. Izdar and J. W. Murray, eds., Black Sea...

Climatic significance of Holocene beachrock sites along shorelines of the Red Sea: Reply

Gerald M. Friedman

AAPG Bulletin

... sheets), each of which has its own response times and thermodynamic properties (Bard, 2002, p. 32).The computed sea-surface temperatures cited...