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The AAPG/Datapages Combined Publications Database
Showing 21,305 Results. Searched 195,452 documents.
Vein Formation in Relation to Burial Diagenesis in the Miocene Monterey Formation, Arroyo Burro Beach, Santa Barbara, California
Peter Eichhubl, James R. Boles
Pacific Section SEPM
... the susceptibility of a rock layer to fracturing. In addition to altering rock rheology, diagenetic reactions may also affect fracture formation by changing...
1998
Early Marine Lithification and Hardground Development on A Miocene Ramp (Maiella, Italy): Key Surfaces to Track Changes in Trophic Resources in Nontropical Carbonate Settings
Maria Mutti, Daniel Bernoulli
Journal of Sedimentary Research (SEPM)
... layer. Our study suggests that hardgrounds in nontropical carbonates might be used as indicators of circulation changes and can provide a useful link...
2003
Diagenesis of Sandstones in Lower Cook Inlet Basin, Alaska, and its Implications for Petroleum Plays
J. G. Bolm, Thane H. McCulloh, Richard J. Stewart
Alaska Geological Society
... and replacement of silicates by calcite have been significant in sandstones that contain or are near an accumulation of calcareous shell material. Elsewhere...
1983
A New AVO Attribute for Hydrocarbon Prediction and Application to the Marmousi II Dataset, #41764 (2016).
Changcheng Liu, Prasad Ghosh
Search and Discovery.com
... for water-bearing layer which can be misleading whereas J attribute is more sensitive to hydrocarbon. J attribute is less ambiguous in hydrocarbon detection...
2016
Cyclic Sedimentation of Primary Dolomite and Limestone
Dev. D. Sarin
Journal of Sedimentary Research (SEPM)
... could have caused the replacement of the limestone layer at irregularly spaced intervals and this would have resulted in the separation of tabul r...
1962
Dolomitization Interrupted by Silicification
R. V. Dietrich , C. R. B. Hobbs, Jr. , W. D. Lowry
Journal of Sedimentary Research (SEPM)
... that the paragentic sequence given in fig. 1 applies to but a single layer. The writers also consider it prudent to emphasize that the outlined sequence probably...
1963
Thermoluminescence: A Tool for the Environmental Analysis of Recent Sediment Cores
Harry H. Roberts, William E. Graves
Journal of Sedimentary Research (SEPM)
... of core structure and inclusions; a. slickensided fracture; b. root burrow replaced by iron oxide; c. calcium carbonate nodule; d. slit layer. C...
1972
Zeolite-Opal Rocks from the Western Wichita Mountains, Oklahoma
Matt Hamilton
Oklahoma City Geological Society
...-layer phase. High-magnification imaging was not possible, as even with extended coating times the samples began to charge quickly. Because precise...
2021
Sedimentology and Diagenesis of Miocene Colemanite-Ulexite Deposits (Western Anatolia, Turkey)
Cahit Helvaci , Federico Orti
Journal of Sedimentary Research (SEPM)
... the (macroscopic) replacement of precursor ulexite; this replacement occurred during either early diagenesis or (more probably) late diagenesis. Minor evidence...
1998
Algal Aragonite-encrusted Pisoids from a Lower Carboniferous Schizohaline Lagoon
V. P. Wright
Journal of Sedimentary Research (SEPM)
... Carboniferous Llanelly Formation of South Wales contain both algal and fascicular-optic calcite laminae. The latter are here interpreted as a replacement...
1981
Effects of Grand-Cycle Cessation on the Diagenesis of Upper Cambrian Carbonate Deposits in the Southern Appalachians, U.S.A.
Bosiljka Glumac, Kenneth R. Walker
Journal of Sedimentary Research (SEPM)
... in the subtidal deposits provided an additional local source of iron for the formation of replacement saddle dolomite. The subtidal deposits also...
2002
Diagenetic Albitization of Detrital K-feldspar in Jurassic, Lower Cretaceous, and Tertiary Clastic Reservoir Rocks from Offshore Norway, I. Textures and Origin
Girish C. Saigal , Sadoon Morad, K. Bjorlykke, P. K. Egeberg, P. Aagaard
Journal of Sedimentary Research (SEPM)
... the precipitation of albite, and rates of albite precipitation increase with depth, favoring pseudomorphic replacement of K-feldspars. Other factors...
1988
Zeolitic Diagenesis of Mio-pliocene Rocks of the Silver Peak Range, Esmeralda County, Nevada
Paul T. Robinson
Journal of Sedimentary Research (SEPM)
... by a nearly complete replacement of primary plagioclase and a marked color change. Diagenetically altered rocks, on the other hand, are very extensive...
1966
Soft-tissue preservation in Miocene frogs from Libros, Spain: Insights into the genesis of decay microenvironments
Maria E. McNamara, Patrick J. Orr, Stuart L. Kearns, Luis Alcalá, Pere Anadón, Enrique Peñalver Mollá
PALAIOS
... carbonaceous bacterial biofilm enveloped by the phosphatized remains of the mid-dermal Eberth-Katschenko layer, external to which is a second, thinner...
2009
Pseudo- and Dubiofossils from the Newland Limestone (Belt Supergroup, Late Precambrian), Montana
Allan M. Gutstadt
Journal of Sedimentary Research (SEPM)
... by replacement along fractures and bedding planes. Newlandia frondosa and N. lamellosa, also named by Walcott, could be algal stromatolites...
1975
Mahakam Delta Core Workshop:TM‐62 Core Synthesis a Tight G Zone Reservoir, Tambora Field, East Kalimantan
Thomas Y. Yoga, Firdaus Tampilang
Indonesian Petroleum Association
...-layer illite/smectite contains 25-35% smectite layers. grains and were observed in all of the sandstones. The proportion of quartz overgrowths...
2016
Two-Stage Neomorphism of Jurassic Aragonitic Bivalves: Implications for Early Diagenesis
James P. Hendry , Peter W. Ditchfield , James D. Marshall
Journal of Sedimentary Research (SEPM)
..., but Lincolnshire bivalves show evidence for two distinct stages of replacement. Staining, cathodoluminescence, and backscatter scanning electron...
1995
Origin of Dolomites in the Monterey Formation: Pismo and Huasna Basins, California
R. I. Kablanow, R.C. Surdam, D. Prezbindowski
Special Publications of SEPM
... contains dolomite as matrix, cements, concretions, replacement features, and as fracture fillings. Some dolomites apparently represent a single...
1984
Evaporites and Petroleum: DISCUSSION
N. A. Kudryavtsev
AAPG Bulletin
..., and what is the mechanism for precipitation from saturated waters covered by a dilute layer? Both difficulties cannot be overcome. In great sea basins...
1971
Diagenesis of the Maxon Sandstone (Early Cretaceous), Marathon Region, Texas: A Diagenetic Quartzarenite
Earle F. McBride
Journal of Sedimentary Research (SEPM)
... during invasion of meteoric water introduced during a low stand of sea level, followed by extensive cementation and grain replacement by calcite. C...
1987
Evidence for Early Aragonite in Paleo-Lacustrine Sediments
Rita-Maria Riccioni, Patrick W. G. Brock, B. Charlotte Schreiber
Journal of Sedimentary Research (SEPM)
... evaporative sediments of the Newark Basin (Passaic Formation), developed as pseudomorphic replacement of precursor, more soluble minerals such as glauberite...
1996
Improving Burial and Thermal History Modeling Based on Geochemistry and Progressive Clay Mineralogical Transformation in Devonian Shales - Examples from the Duvernay and Muskwa Formations in Western Canada, #51582 (2019).
Raphael Wust, Sam Tu,
Search and Discovery.com
... of the basin buried to ~900 m (~3000 ft) depth, but are absent in rocks at ~1300 m (~4300 ft) depth where mixed-layer smectite-illite clay minerals are present...
2019
Radiaxial Fibrous Calcite: A Reappraisal
Alan C. Kendall
Special Publications of SEPM
... (involving a complex replacement of an earlier acicular cement) has not been challenged, although some misgivings were expressed in Kendall...
1985
Summary of the Diagenetic History of the Upper Cretaceous Forbes, Starkey, and Winters Formations, Sacramento Basin, California
Karl A. Mertz Jr.
Pacific Section SEPM
... and/or replacement of unstable aluminosilicate grains, generation of abundant secondary porosity, and selective cementation through formation of a suite...
1990
Bentonite Mining Near Kaycee, Wyoming
Thomas Thorson
Wyoming Geological Association
... of the distinctive features of these cabins is the thick layer of bentonite which is found on the roofs. Bentonite was found to be an effective sealant of wind...
1976