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The AAPG/Datapages Combined Publications Database
Showing 3,219 Results. Searched 200,641 documents.
Permian Warm-to Very Cold-Water Carbonates and Cherts in Northwest Pangea
Benoit Beauchamp, André Desrochers
Special Publications of SEPM
...). Lowenergy warm-water carbonates that accumulated below wave energy warm water carbonates that accumulated below wave areas or in protected inner shelf...
1997
Deformation of Earth's Lithosphere with Reference to Tidal Couples
R. C. Bostrom, M. A. Sherif, R. H. Stockman
AAPG Special Volumes
... observed with distance in the amplitude of wave arrivals generated by nearby earthquakes. The decline was subsequently verified and is thought...
1974
Mineralogy and Petrology of the Cretaceous-Tertiary Boundary Clay Bed and Adjacent Clay-Rich Rocks, Raton Basin, New Mexico and Colorado
Richard M. Pollastro, Charles L. Pillmore
Journal of Sedimentary Research (SEPM)
... in the boundary bed was probably rapid, leading to hydrated, disordered, fine-grained clay minerals that formed into curled spherical or tubular shapes...
1987
Kinneyia-type wrinkle structures on sandstone beds: not microbially induced but deformation features caused by synsedimentary earthquakes
Brian R. Pratt
PALAIOS
... are most common in sandstones deposited in the offshore setting between fair-weather and storm wave base (Mata and Bottjer 2009). It has often been...
2021
Regional Stratigraphy and Organic Richness of the Mississippian Meramec and Associated Strata, Anadarko Basin, Central Oklahoma
Joshua C. Miller, Matthew J. Pranter, Andrew B. Cullen
Oklahoma City Geological Society
... and are interpreted to record offshore shore-face depositional environments within or below storm wave base with probable reworking by tides, storms...
2019
Summary of Middle Ordovician Stratigraphy and Tectonics, Northern Utah, Southern and Central Idaho
Robert Q. Oaks Jr., W. Calvin James, G. Gregory Francis, Warren J. Schulingkamp II
Wyoming Geological Association
... Dolostone, northcentral Utah: M.S. thesis, Utah State Univ. (unpublished). 85 p. Campbell, C. V., 1966, Truncated wave-ripple laminae. Jour. Sed...
1977
Palaeohydraulic Interpretation Using Mathematical Models of Contemporary Flow and Sedimentation in Meandering Channels
John S. Bridge
Dallas Geological Society
... similar to Allen (1970a, b), an expression for equilibrium (spherical) grain diameter, D. is where τx is effective longitudinal bed shear acting...
1977
DEPOSITIONAL ENVIRONMENT OF THE CUMMINGS COAL AND ASSOCIATED SEDIMENTS, WINTER-SENLAC AREA, WESTERN SASKATCHEWAN
NEIL A. GROENEVELD AND LAVERN D. STASIUK
Saskatchewan Geological Society
... considerable wave influence. The Cummings coal is an interbedded, thinly banded, humic coal with carbonaceous shale partings. The thickness of the coal...
1984
Palaeohydraulic Interpretation Using Mathematical Models of Contemporary Flow and Sedimentation in Meandering Channels
John S. Bridge
CSPG Special Publications
... similar to Allen (1970a, b), an expression for equilibrium (spherical) grain diameter, D. is where τx is effective longitudinal bed shear acting...
1977
CARBONATE SEDIMENTATION IN THE ELLISGROUP(JURASSIC) ON THE SOUTHERN FLANK OF BELT ISLAND, SOUTHWESTERN MONTANA
James H. Meyers
Montana Geological Society
.... Specht, R.W. and Brenner, R.L., 1979, Storm-wave genesis of bioclastic carbonates in Upper jurassic epicontinental mudstone, east...
1981
Sedimentation of the Sespe Formation in Southern California
Jeffrey L. Howard
Pacific Section of AAPG
.... In contrast to alluvial gravels, wave-worked conglomerates are more laterally persistent and less lenticular, being characterized by strong segregation...
1988
Nonmarine Sedimentation in an Active Fore Arc Basin
Richard K. Vessell, David K. Davies
Special Publications of SEPM
... facies volcaniclastic sedi to clay size crystals and glass Most spherical and average particle roundness Individual breccia beds are highly vari...
1981
Petrography and Origin of Permian Mccloud Limestone of Northern California
Ferruh Demirmen, John W. Harbaugh
Journal of Sedimentary Research (SEPM)
... there is no direct evidence of this. Calcispheres Calcispheres are minute, spherical bodies, each consisting of a dark rim which surrounds fine granular calcite...
1965
The Production of Lime Mud by Algae in South Florida
K. W. Stockman , R. N. Ginsburg , E. A. Shinn
Journal of Sedimentary Research (SEPM)
..., are present in abundance in the large wave- and current-swept areas seaward of the mud accumulations. The mud which they generate cannot accumulate...
1967
Seismic and Geologic Characteristics of Drowning Events on Carbonate Platforms(1)
R. N. ERLICH , S. F. BARRETT , and GUO BAI JU
AAPG Bulletin
.... (1989) showed the merits of this approach by using rock property data (P and S wave velocities and other data) and wavelet processing techniques...
1990
Effects of Biogenic Silica on Acoustic and Physical Properties of Clay-Rich Marine Sediments (1)
JANE S. TRIBBLE , FRED T. MACKENZIE , JOZSEF URMOS , DAVID K. O'BRIEN , and MURLI H. MANGHNANI
AAPG Bulletin
... for other sediment compositions. Several investigators (e.g., Wilkens and Handyside, 1985) have also reported variations of compressional wave velocity...
1992
Structural Model of Large Part of the Earth
Wallis S. Hamilton
AAPG Bulletin
... that concerns us was composed of spherical layers. Then, during its history, unknown movements of the interior boundaries of the region caused...
1962
Morphology, Genesis, and Distribution of Nanometer-Scale Pores in Siliceous Mudstones of the Mississippian Barnett Shale
Robert G. Loucks, Robert M. Reed, Stephen C. Ruppel, Daniel M. Jarvie
Journal of Sedimentary Research (SEPM)
... (below storm wave base), predominantly dysaerobic to anoxic foreland marine basin along the south margin of the Laurussian paleocontinent (Fig. 1) during...
2009
Detrital zircon geochronology and provenance of the Middle Cambrian Flathead Sandstone, Park County, Wyoming
David H. Malone, John P. Craddock, Stuart Kenderes
Rocky Mountain Association of Geologists
...). The analyses involved ablation of zircon with a New Wave UP193HE Excimer laser using a spot diameter of 30 microns. The ablated material was carried in helium...
2017
The IntraCONtinental BasinS (ICONS) Atlas - Applications in Eastern Australia
C. Heine, R. D. Müller
Petroleum Exploration Society of Australia (PESA)
... upwellings and downwellings respectively. The model used in this study utilises a spherical analytical flow model where relative seismic velocities...
2008
An Appraisal of the Pablo Formation of Presumed Late Paleozoic Age, Central Nevada
Robert C. Speed
Pacific Section SEPM
... is sandsized and moderately spherical but embayed and often broken; such clasts contain monocrystalline quartz. The second type occurs both in sand...
1977
Carbonate Sand Shoals in the Middle Mississippian (Valmeyeran) Salem-St. Louis-Ste. Genevieve Limestones, Illinois Basin
Robert M. Cluff
Special Publications of SEPM
... whereas other beds have 108 few coated grains or only Well formed spherical ooids are rare, and most of superficial coatings. the oolitic...
1984
Recognition of Trace Fossils in Cores
C. Kent Chamberlain
Special Publications of SEPM
... been: trace, or (b) through a spherical trace (see Fig. lA). If a slab face contains elliptical cross sections of a trace fossil, the (c) oblique...
1978
The Petrology of Lower Pennsylvanian Sewanee Sandstone, Lookout Mountain, Alabama and Georgia
Chih Shan Chen , H. Grant Goodell
Journal of Sedimentary Research (SEPM)
... are, however, that a large part of the quartz grains are fairly round and highly spherical. Furthermore, the roundness and sphericity figures given...
1964
Tidal-flat Deposition and Early Dolomitization in Upper Ordovician Rocks of Southern Appalachian Valley and Ridge
Allan M. Thompson
Journal of Sedimentary Research (SEPM)
...%, of the carbonate fraction. It typically occurs as large patches, similar in occurrence to the sparry calcite. Spherical calcite pellets make up 10...
1970