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The AAPG/Datapages Combined Publications Database
Showing 26,347 Results. Searched 195,731 documents.
Thickness Change Involved in the Peat-to-Coal Transformation for a Bituminous Coal of Cretaceous Age in Central Utah
Thomas A. Ryer, Anna W. Langer
Journal of Sedimentary Research (SEPM)
... 1980 Vol. 50 No. 3. (September), The ratio of the thicknesses of a layer of peat and the coal bed formed from that peat has been calculated...
1980
A Small-Scale Throughflow Outburst in a Heterolithic Ephemeral Channel
M.C. Bourke
Journal of Sedimentary Research (SEPM)
.... 249-271. DUNKERLEY, D.L., 1992, Channel geometry, bed material, and inferred flow conditions in ephemeral stream systems, Barrier Range, western NSW...
2003
Chapter 92: Sinuous Channels in Late Stages of Entrenched Deep-water Channel Complexes, Hasret Mountain Main Channel, Turkey
Bryan T. Cronin, Hasan Çelik, Andrew Hurst
AAPG Special Volumes
... Layered sheets Point bars and tabular sheets Point bars and tabular sheets Sand/Conglomerate-bed Architecture Bed-length range 5–20 m (15.5...
2007
Hurricanes as Geological Agents, South Texas Coast: GEOLOGICAL NOTES
Miles O. Hayes
AAPG Bulletin
... into density currents, spread a "pure" sand layer (1-3 centimeters thick) over formerly homogeneous mud bottom in depths of 48-60 feet and spread a graded bed...
1967
Clinoform Progradation by Turbidity Currents: Modeling and Experiments
Thomas P. Gerber, Lincoln F. Pratson, Matthew A. Wolinsky, Ron Steel, Jere Mohr, John B. Swenson, Chris Paola
Journal of Sedimentary Research (SEPM)
... on turbidity currents over an erodible bed: Journal of Hydraulic Research, v. 25, p. 123–147. Petter, A.L., and Steel, R.J., 2006, Hyperpycnal flow...
2008
Sedimentary History of the Ventura Basin, California, and the Action of Turbidity Currents
M. L. Natland, Ph. H. Kuenen
Special Publications of SEPM
... occur immediately- above and below the six- fornia, kindly pointed out in 1948 that inch, white tuff bed composed of ash and VENTURA BASIN...
1951
Lower Cretaceous Field Trip: San Antonio, Johnson City and San Marcos Areas
John R. Sandidge, Fred L. Stricklin Jr., C. I. Smith, Keith P. Young
South Texas Geological Society Special Publications
..., Stops 3 & 4: Outcrop and Near Outcrop Data, Trinity Division, Travis County Page 12 Fig. 6, Stops 5 & 6: “Corbula Bed” Relations, Outcrop...
1956
Stratigraphy and Age of the Frontier Formation and Associated Rocks, Central and Southern Bighorn Basin, Wyoming—Surface to Subsurface Correlation
Mark A. Kirschbaum, E. A. Merewether, Steven M. Condon
Rocky Mountain Association of Geologists
...) to include the Clay Spur Bentonite Bed. On outcrop in the Bighorn Basin, there are prominent altered volcanic ashes present in some sections...
2009
Paleohydrologic Techniques with Environmental Applications for Siting Hazardous Waste Facilities
M. G. Foley, J. M. Doesburg, D. A. Zimmerman
CSPG Special Publications
.... 738-746. Foley, M.G. 1978. Scour and fill in steep, sand-bed ephemeral streams. Geological Society of American Bulletin, v. 89, p. 559-570. Foley, M.G....
1984
Role of Hydraulic Sorting in the Origin of Fluvial Placers
Rudy Slingerland
Journal of Sedimentary Research (SEPM)
... velocities (U*) in the range 3-63 cm·sec-1 and bed roughnesses of 0.55, 2, 5, and 10 mm. For any value of U* and for both mineral densities...
1984
Selective Grain Entrainment by a Current from a Bed of Mixed Sizes: A Reanalysis
Paul D. Komar
Journal of Sedimentary Research (SEPM)
...Selective Grain Entrainment by a Current from a Bed of Mixed Sizes: A Reanalysis Paul D. Komar 1987 Vol. 57 No. 2. (March), The selective...
1987
The Nature and Controls on Downstream Fining Within Sedimentary Links
Stephen Rice
Journal of Sedimentary Research (SEPM)
... two Canadian gravel-bed rivers are examined. Negative exponential functions are found to be most appropriate for describing within-link grain-size...
1999
AAPG Archie Series, No. 1, Chapter 12: Low-resolution Techniques
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
... the properties of each individual thin bed through forward modeling and inversion. We can distinguish a few different categories of low-resolution analysis...
2006
Neogene Stratigraphy of Southwestern Florida
Jules R. DuBar
GCAGS Transactions
... the Floridan. The upper shell beds, now known as the Ft. Thompson formation, he called the "Venus cancellata bed." His studies resulted also in a complete...
1958
Turbidite Facies
T. H. Nilsen
Special Publications of SEPM
... to result in a bed that contained the complete (Ta_e) Bouma sequence (Figs. 37, 7-14, and 8-1). As the turbidity current flows basinward...
1984
Coal in the Powder River Basin
William J. Mapel
Wyoming Geological Association
... 164. Mapel, W. J., Schopf, J. M. and Gill, J. R., 1953, "A thick coal bed near Lake De Smet, Johnson County, Wyoming," U. S. Geol. Survey Circular 228...
1958
Early Tertiary Depositional Environments in the Rock Springs Uplift Area
Henry W. Roehler
Wyoming Geological Association
... Springs uplift area are given below. Red Bed Fluviatile The red bed fluviatile environment is diagnostic of well-drained upland areas adjacent to mountain...
1965
The Paleocene/Eocene Colton Formation: A Fluvial-Dominated Lacustrine Deltaic System, Roan Cliffs, Utah
Thomas H. Morris, Dean R. Richmond, Jorge E. Marino
Utah Geological Association
... into suspended-load (low sandstone percent), mixed-load (intermediate sandstone percent), or bed-load (high sandstone percent). Fluvial sandstone...
1991
Carrier Bed (Halo) Play in the Cretaceous Turonian Turner Sandstone, Crossbow Field Area, Powder River Basin
Stephen Sonnenberg
Unconventional Resources Technology Conference (URTEC)
...Carrier Bed (Halo) Play in the Cretaceous Turonian Turner Sandstone, Crossbow Field Area, Powder River Basin Stephen Sonnenberg URTeC: 2161 Carrier...
2020
Origin of Crow Creek Member of Pierre Shale in Central South Dakota
Dwight R. Crandell
AAPG Bulletin
..., Mobridge, Virgin Creek, Verendrye, DeGrey, Crow Creek, Gregory, and Sharon Springs. The only bed that is significantly coarser-grained than the rest...
1952
Revision of Colorado Group on Sweetgrass Arch, Montana
W. A. Cobban , C. E. Erdmann , R. W. Lemke , E. K. Maughan
AAPG Bulletin
... layers of bentonite. The middle of the member is marked by the MacGowan concretionary bed, a thi unit of dolostone and limestone that contains...
1959
Chapter 105: The Beacon Channel: A Newly Recognized Architectural Type in the Brushy Canyon Formation, Texas, USA
R. T. Beaubouef, C. Rossen, R. W. W. Lovell, W. Blount, P. Brown, B. Gilchriest, D. Helgesen, S. Jaynes, I. Kozak, S. Long, L. McBee, P. Owen, M. Rosin, D. Trainor, J. Violet
AAPG Special Volumes
.../Conglomerate-bed Architecture Bed-length range 100–200 m (328–656 ft) Bed-length average 150 m (492 ft) Bed-thickness range 0.1–1 m (0.3–3 ft...
2007
Depths of Modern Coastal Sand Clinoforms
Neil C. Mitchell, Gerhard Masselink, John M. Huthnance, Luis M. Fernandez-Salas, Francisco J. Lobo
Journal of Sedimentary Research (SEPM)
... were compared with adjacent deep-water wave properties over the period 1992–2001 in the ERA-40 reanalysis dataset. Rollover bed shear stresses were...
2012
The Characteristics and Origins of Dish and Pillar Structures
Donald R. Lowe, Robert D. LoPiccolo
Journal of Sedimentary Research (SEPM)
... of dishes and pillars within an individual bed can be related to its original water content, thickness, and grain size; to the rate and magnitude...
1974
Formation of Ripple Bands in a Wave-Convergence Zone
K. P. Black , T. R. Healy
Journal of Sedimentary Research (SEPM)
.... The bands were aligned with the dominant surface-wave orientation, and typical bed-orbital velocities exceeded the sediment threshold speed, while tidal...
1988