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The AAPG/Datapages Combined Publications Database
Showing 675 Results. Searched 200,630 documents.
Dolomitization and Recrystallization of Middle Silurian Reefs and Platformal Carbonates of the Guelph Formation, Michigan Basin, southwestern Ontario
Mario Coniglio, Qing Zheng, Terry R. Carter
CSPG Bulletin
... recrystallization in a rock-buffered system in a relatively closed hydrologic burial setting. This contrasts with alteration involving higher water-rock ratios...
2003
Chapter Eighteen: Gravity-Driven versus Inversion Origins for Upper Jurassic Trapping Structures of the Brae Fields, South Viking Graben, U.K. North Sea
Colin C. Turner, Robert J. Hooper
AAPG Special Volumes
... in the under-filled rift. By the end of this time, bathymetric expression of the Brae structures was largely buffered. Some amount of gravitational contraction...
2018
Intragranular Growth of Marine Aragonite and Mg-Calcite: Evidence of Precipitation from Supersaturated Seawater
Torbjorn Alexandersson
Journal of Sedimentary Research (SEPM)
... matrix is left after etching with EDTA, buffered to pH 7. In an average thin section, 30 µm in thickness, the centers of the globules consist of at least...
1972
Study of Producing Ramsey Sandstones in the Bell Canyon Formation of the Delaware Basin: Paduca Field, Lea County, New Mexico
Shazia Irum Hart
GCAGS Transactions
... on shelf margin and back-reef environments (Dutton, 2008). Its location on the edges also reflects abundance of feldspars there. Feldspars buffered...
2015
Origin of Variegated Redbeds in the Cathedral Bluffs Tongue of the Wasatch Formation (Eocene), Wyoming
Linda H. Braunagel , K. O. Stanley
Journal of Sedimentary Research (SEPM)
..., Univ. Wyoming, v. 9, p. 66-87. MEHRA, O. P., AND M. L. JACKSON, 1960, Iron oxide removal from soils and clays by a dithionite-citrate system buffered...
1977
Bathymetric Zonation and Paleoecological Significance of Microborings in Puerto Rican Shelf and Slope Sediments
David A. Budd , Ronald D. Perkins
Journal of Sedimentary Research (SEPM)
... a Shipek sampler. Sediments were wet sieved on board and particles 1.0 mm or larger were preserved in buffered formaline. Twenty-six additional samples...
1980
Sedimentology and Ichnology of the Cretaceous-Tertiary Boundary in Denmark: Implications for the Causes of the Terminal Cretaceous Extinction
A. A. Ekdale, Richard G. Bromley
Journal of Sedimentary Research (SEPM)
... the chemistry of the well-buffered ocean, but the eruptive material probably also included other gases, such as SO3, SO2, H2S, Cl, F, H2, and N2...
1984
Distribution and Ecology of Foraminifera from East Mississippi Delta Margin
Robert R. Lankford
AAPG Bulletin
..., with a small gravity corer described by Phleger (1951). The top cm., approximately 10 ml. of wet sediment, was preserved in formalin and buffered...
1959
Regional Cementation from Unconformity-Recharged Aquifer and Burial Fluids, Mississippian Newman Limestone, Kentucky
James C. Niemann, J. F. Read
Journal of Sedimentary Research (SEPM)
... heavier downdip by rock-water interaction, since the waters should become increasingly buffered by the marine sediment. Another alternative...
1988
Pervasive Subsurface Dolomitization of the Nisku Formation in Central Alberta
Hans G. Machel, James H. Anderson
Journal of Sedimentary Research (SEPM)
... composition of the matrix dolomites was partially buffered by the isotopic composition of the prec rsor limestones, which have meteoric geochemical...
1989
Fluid-Rock Interaction History During Stabilization of Early Dolomites, Upper Knox Group (Lower Ordovician), U.S. Appalachians
Isabel P. Montanez, J. Fred Read
Journal of Sedimentary Research (SEPM)
..., however, may reflect stabilization by diagenetic fluids with 87Sr/86Sr isotope compositions that were rock-buffered due to interaction with Knox...
1992
Illite/Smectite Formation and Potassium Mass Transfer During Burial Diagenesis of Mudrocks: A Study from the Texas Gulf Coast Paleocene-Eocene
D. N. Awwiller
Journal of Sedimentary Research (SEPM)
... fairly large compositional ranges. However, Fe/Mg in chlorite seems to be buffered by the whole-rock shale Fe/Mg (Velde et al. 1991), which is fairly...
1993
Gradual Establishment of Iapetan "Passive" Margin Sedimentation: Stratigraphic Consequences of Cambrian Episodic Tectonism and Eustasy, Southern Appalachians
Eugene C. Rankey , Kenneth R. Walker, Krishnan Srinivasan
Journal of Sedimentary Research (SEPM)
... truncation, depleted 18O values, and Cambrian-rock-buffered strontium values suggest that these cements are the result of very early meteoric diagenesis...
1994
Compositional Evolution of Coarse Clastic Sediments in the Southwestern United States from 1.8 to 0.2 Ga and Implications for Relationships Between the Development of Crustal Blocks and Their Sedimentary Cover
Ronadh Cox , Donald R. Lowe
Journal of Sedimentary Research (SEPM)
..., and was largely buffered by the regional sedimentary system. In addition to variations in uplift, there are variations in preserved cover thickness...
1995
Cyclic Carbonate Sedimentation in the Upper Triassic Dachstein Limestone, Austria: The Role of Patterns of Sediment Supply and Tectonics in a Platform-Reef-Basin System
Arthur K. Satterley
Journal of Sedimentary Research (SEPM)
... mechanism operates, the variability of Lofer cycles is buffered by two (interrelated) components of this platform system. The first buffer...
1996
Successions of Late Cenozoic Platform Dolomites Distinguished by Texture, Geochemistry, and Crystal Chemistry: Niue, South Pacific
C.W. Wheeler, P. Aharon, R.E. Ferrell
Journal of Sedimentary Research (SEPM)
... of cementation in MS textures to thin rims of stoichiometric Phase III dolomite to low supersaturation levels of seawater-derived fluids buffered...
1999
Organogenic Dolomitization in Peritidal to Deep-Sea Sediments: PERSPECTIVES
S.J. Mazzullo
Journal of Sedimentary Research (SEPM)
...). Pore-fluid pH also can be rapidly buffered in carbonate-rich sediments (Berner 1980; Pisciotto and Mahoney 1981). If reported dolomite 13C values...
2000
Dolomitization of Holocene Shallow-Marine Deposits Mediated by Sulfate Reduction and Methanogenesis in Normal-Salinity Seawater, Northern Belize
Chellie S. Teal, S.J. Mazzullo, William D. Bischoff
Journal of Sedimentary Research (SEPM)
... and/or methanogenesis in other reported examples of dolomitized deposits (e.g., Slaughter and Hill 1991). Although pH can be buffered rapidly in carbonate-rich...
2000
Upper Oligocene to Lowermost Miocene Strata of King George Island, South Shetland Islands, Antarctica: Stratigraphy, Facies Analysis, and Implications for the Glacial History of the Antarctic Peninsula
Alexa L. Troedson,James B. Riding
Journal of Sedimentary Research (SEPM)
... and Harland 1996). Extensive coverage by floating ice may have contributed to the scarcity of IRD in unit B, because such ice could have buffered local marine...
2002
Diagenesis of the Hild Brent Sandstones, Northern North Sea: Isotopic Evidence for the Prevailing Influence of Deep Basinal Water
Jean-Pierre Girard, Ingrid A. Munz, Harald Johansen, Jean-Claude Lacharpagne, Frederic Sommer
Journal of Sedimentary Research (SEPM)
... to remove all traces of hydrocarbons and organic matter. Samples containing carbonates intermixed with clays were treated with Na buffered 1N acetic...
2002
Organic Carbon Burial and Phosphogenesis in the Antler Foreland Basin: An Out-of-Phase Relationship During the Lower Mississippian
Matthew R. Saltzman
Journal of Sedimentary Research (SEPM)
... al. 2002); and (3) the results of quantitative modeling studies that show 13C values are likely to be rock-buffered over a wide range of diagenetic...
2003
Paleoenvironmental Controls on Upper Eocene Biosiliceous Neritic Sediments, Southern Australia
P.R. Gammon, N.P. James
Journal of Sedimentary Research (SEPM)
... altered to verdine and clinoptilolite, which was probably due to the presence of calcareous skeletons that buffered pH to <8.5, and the lack...
2003
The Late Cambrian Spice (13C) Event and the Sauk II-SAUK III Regression: New Evidence from Laurentian Basins in Utah, Iowa, and Newfoundland
Matthew R. Saltzman, Clinton A. Cowan, Anthony C. Runkel, Bruce Runnegar, Michael C. Stewart,, Allison R. Palmer
Journal of Sedimentary Research (SEPM)
...). The results of quantitative modeling studies further show that 13C values are likely to be rock-buffered over a wide range of diagenetic settings commonly...
2004
Origin of Dolomite in the Arab-D Reservoir from the Ghawar Field, Saudi Arabia: Evidence from Petrographic and Geochemical Constraints
Peter K. Swart, David L. Cantrell, Hildegard Westphal, C. Robertson Handford, Christopher G. Kendall
Journal of Sedimentary Research (SEPM)
... taken at intervals of 0.25 m. In order to isolate the dolomite, selected sieved samples with greater than 5% dolomite were treated with buffered acetic...
2005
Missing Aragonitic Biota and the Diagenetic Evolution of Heterozoan Carbonates: A Case Study from the Oligo-Miocene of the Central Mediterranean
Andrea C. Knoerich, Maria Mutti
Journal of Sedimentary Research (SEPM)
... is not well buffered by limestone-derived CO2, but rather displays the low δ13C values of the soil-derived CO2 (Allen and Matthews 1982). Cement...
2006