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The AAPG/Datapages Combined Publications Database
Showing 3,219 Results. Searched 200,626 documents.
Early Triassic microbial spheroids in the Virgin Limestone Member of the Moenkopi Formation, Nevada, USA
Sara B. Pruss, Jonathan L. Payne
PALAIOS
... microbial accretion rather than micritization of bioclasts or excretion of fecal pellets. They are much larger and more regularly spherical than typical...
2009
A Comprehensive Methodology of Evaluation of the Fracability of a Shale Gas Play
Kun Su, Atef Onaisi, Adeline Garnier
Unconventional Resources Technology Conference (URTEC)
.... The indenter might be either flat or spherical ended. With flat indenter, the force (R) at the inflexion point of force-displacement curve defines...
2014
Sedimentology and Depositional History of the Permo-Triassic Spearfish Formation, Southwestern Black Hills, South Dakota
J. M. Sabel
Wyoming Geological Association
.... The four-millimeter spherical clasts occur in a silt matrix in lenses up to one meter across and two centimeters thick. Ripple bedded units...
1984
Renewed Field Development Plan from Recently Found Uncertainty in Sungai Gelam Field, South Sumatra Basin, Jambi
Reza Rahadian, Erwin Dicky Dusyanto, Adi Widyantoro, Oki Musakti, Hendra Baskara
Indonesian Petroleum Association
... trend, 500x500x100 spherical variogram and second variable correlation coefficient varies from 0.97 down to 0.64 at the deeper zone. The second model...
2019
Pisoliths and Ooliths from Some Australian Caves and Mines
George Baker, A. C. Frostick
Journal of Sedimentary Research (SEPM)
...; they are subject to wave action at normal high tide. Features of the Floor of Angel Cave Under calm marine conditions, Angel Cave is protected from wave action...
1947
The MacKenzie Margin, Southesk-Cairn Carbonate Complex: Depositional History, Stratal Geometry and Comparison With Other Late Devonian Platform-Margins
Michael J. Shields, Helmut H.J. Geldsetzer
CSPG Bulletin
... part. The stromatoporoid biostromal facies consists of 1 to 3 m thick biostromes comprised of bulbous or spherical-shaped stromatoporoids...
1992
Facies and Geometry of Swan Hills Reef Member of Beaverhill Lake Formation (Upper Devonian), Goose River Field, Alberta, Canada
A. J. Jenik , J. F. Lerbekmo
AAPG Bulletin
... of wave action. Organic reef--that portion of the reef which is or was built directly by organisms, and is responsible for the reef's wave-resistant...
1968
Sedimentology of the Late Devonian and Early Mississippian Bakken Formation, Williston Basin
Mark G. Smith, R. Marc Bustin
Williston Basin Symposium
..., and G. D. Wach, 1992, Ichnofacies of a wave-dominated shoreline, in S. Pemberton, ed., Applications of Ichnology to Petroleum Exploration...
1995
Depositional Facies and Diagenetic Features of the Flippen Limestone, Central Jones County, Texas-Part II
David G. Morris
West Texas Geological Society
... where wave action was a dominant environmental factor. Deposition occurred where the sea gradually shoaled landward and wave base made initial...
1985
Recollections of Shell's Bellaire E&P R&D Lab
James M. Parks
Petroleum History Institute
... algae remains, similar to billion year old Pre-Cambrian rocks ; running our hands through loose spherical "beads" of ooid sands in the Bahamas...
2003
SEDIMENTARY STRUCTURES IN THE FRONTAL SANDSTONES ALONG THE PERIJA MOUNTAIN FRONT BETWEEN THE RIVERS PALMAR AND TUCUCO
Jon Sanjuán
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
... in a direction slightly different from that of the main current. The wave length varies between 5–8 cm., the amplitude from 6 to 7 mm., the ripple...
1964
The Effects of Eolian Sorting and Abrasion Upon the Shapes of Fine Quartz Sand Grains
Jim Mazzullo, Donald Sims, David Cunningham
Journal of Sedimentary Research (SEPM)
... are reached. The first is that the wind preferentially transports spherical, rounded sand grains, and this can result in the isolation and accumulation...
1986
Lithostratigraphic Analysis of the Bird Spring-Callville Group and Pakoon Formation (Pennsylvanian-Lower Permian), Southern Clark County, Nevada
David N. Lumsden, Michael T. Ledbetter , George T. Smith
Journal of Sedimentary Research (SEPM)
..., trilobites and calcispheres are sporadically abundant. Pellets. These are fine to medium sand-sized elliptical to spherical, structureless masses of micrite...
1973
Enigmatic Deep-Water Depositional Mechanisms, Upper Part of the Oquirrh Group, Utah
Teresa E. Jordan
Journal of Sedimentary Research (SEPM)
...------------------------ currents, and interbedded mudstones to quiet accumulation below wave base (Roberts and others, 1965). Bissell (1952) attributed...
1981
Submarine Cementation and Subaerial Exposure in Oligo-Miocene Temperate Carbonates, Torquay Basin, Australia
Stelios Nicolaides , Malcolm W. Wallace
Journal of Sedimentary Research (SEPM)
... was an entirely marine process, produced by relative sea-level drop and entry of the sea floor into the zone of wave reworking. Marine cementation may begin...
1997
Genesis of Lower Cretaceous "A" Sandstone, Reconcavo Basin, Brazil
Edward J. Bauer
AAPG Bulletin
.... The predominantly thick-bedded and massive character of the "A" Sandstone suggests deposition in water where effective wave base usually did...
1967
ENVIRONMENTS OF DEPOSITION AND DIAGENESIS OF THE WINNIPEGOSIS FORMATION (MIDDLE DEVONIAN), WILLISTON BASIN, NORTH DAKOTA
NANCY A. PERRIN
Williston Basin Symposium
... to packstone facies (Fig. 6-H). Two different sizes of peloids occur. Some samples contain both medium-sized, irregularly-shaped grains and small, spherical...
1982
Marine Vadose Beachrock Cementation by Cryptocrystalline Magnesian Calcite--Maui, Hawaii
James H. Meyers
Journal of Sedimentary Research (SEPM)
... transport of fine particles through beach sand may result from wave-induced pumping (Schroeder 1973; and Jindrich 1983) and is dependent...
1987
Gas Bubble and Expansion Crack Origin of "Molar-Tooth" Calcite Structures in the Middle Proterozoic Belt Supergroup, Western Montana
George Furniss, John F. Rittel, Don Winston
Journal of Sedimentary Research (SEPM)
... noted. Blobs are spherical to highly irregular bodies up to a centimeter or more across of uniform microspar identical to that of ribbons (Figs. 3B, 4A...
1998
SUBARCTIC RHODOLITH BEDS PROMOTE LONGEVITY OF CRUSTOSE CORALLINE ALGAL BUILDUPS AND THEIR CLIMATE ARCHIVING POTENTIAL
WALTER ADEY, JOCHEN HALFAR, ALEXANDER HUMPHREYS, THEW SUSKIEWICZ, DAVID BELANGER, PATRICK GAGNON, MICHAEL FOX
PALAIOS
... and Macintyre (1973) modeled the environmental relationship of these life forms as a function of wave energy and depth, and Freiwald and Henrich (1994...
2015
Stratigraphy, Petrography, and Origin of Evaporites in Jurassic Arapien Shale, Central Utah
M. Dane Picard
Utah Geological Association
.... However, this line of inquiry will be continued. Oosparite Oosparite is common among the carbonate rocks in the Arapien Shale. In thin section, spherical...
1980
Chapter 6: Origin and Significance of Thick Carbonate Grainstone Packages in Nonmarine Successions: A Case Study from the Barra Velha Formation, Santos Basin, Brazil
A. J. Barnett, M. Obermaier, J. Amthor, M. Sharafodin, M. Bolton, D. Clarke, R. Camara
AAPG Special Volumes
... and rudstones are typically relatively thin compared to those from marine basins because of limited fetch and reduced wave action producing a shallow...
2021
Glacio-Eustasy, Depositional Environments, Diagenesis, and Reservoir Character of Goen Limestone Cyclothem (Desmoinesian), Concho Platform, Central Texas
Samuel A. Marquis, Jr. , Robert L. Laury
AAPG Bulletin
..., absence of early freshwater dissolution features, local anoxic zones devoid of indigenous benthic fauna or burrows, and lack of storm wave features...
1989
Grain-Size Controls On the Morphology and Internal Geometry of River-Dominated Deltas
Alexander P. Burpee, Rudy L. Slingerland, Douglas A. Edmonds, Daniel Parsons, Jim Best, James Cederberg, Andrew McGuffin, Rebecca Caldwell, Austin Nijhuis, Jordan Royce
Journal of Sedimentary Research (SEPM)
...) Predictions of a delta's morphology, facies, and stratigraphy are typically derived from its relative wave, tide, and river energies, with sediment...
2015
Determination of Water Saturation in Vuggy Reservoirs Using a Combination of Log Data and the Maxwell-Garnett Equation: Permian Clear Fork Vuggy Dolostone, West Texas
G. B. Asquith
West Texas Geological Society
... that the Maxwell-Garnett Equation which is designed to model low frequency resistivity response in a series of large spherical pores (vugs) within finer...
2012