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The AAPG/Datapages Combined Publications Database

Showing 33,896 Results. Searched 191,995 documents.

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Paleochannel Geometry and Flow Patterns Determined from Exhumed Permian Point Bars in North-central Texas

Marc B. Edwards , Kenneth A. Eriksson , Robert S. Kier

Journal of Sedimentary Research (SEPM)

..., and the resulting irregular ridge and swale topography. FIG. 5. [Grey Scale] Straight to slightly sinuous lamination traces on a sandstone bed dipping...


Thickness Estimation Using Gradient of Spectral Amplitudes from Spectral Decomposition

Tri Wuri Asri Sulistyoati, Lita Novitasari, Sonny Winardhi

Indonesian Petroleum Association

... spectrum at given frequencies and bed thickness. However, as can be seen in Figure 2, the reverse relationship between temporal thickness and periods...


Evaluation of the Rock Properties in Structurally Deformed Areas Based on Outcrop Analogues for Offshore Fields in Azerbaijan, #51461 (2018).

Shahriyar Alkhasli, Gasham Zeynalov, Aydin Shahtakhtinskiy

Search and

.... The scope of the research includes examination of correlation between bed dip and number of DB observed along and across steeply dipping and overturned parts...


Stratigraphy of the Saline Facies of the Paradox Member of the Hermosa Formation of Southeastern Utah and Southwestern Colorado

Robert J. Hite

Four Corners Geological Society

... Creek and Ismay zones and relationship to oil, Paradox basin, Utah, in Intermountain Assoc. Petroleum Geologists Guidebook 9th Ann. Field Conf...


Transport and Deposition of Resedimented Conglomerates: The Cap Enrage Formation, Cambro-ordovician, Gaspe, Quebec

Ian C. Davies, Roger G. Walker

Journal of Sedimentary Research (SEPM)

... the bed. The relationship between shear stress (T) and dispersive pressure (P) can be expressed as [T]/[P]=tan (2) where is the dynamic angle...


Phosphate Exploration Using Gamma—Radiation Logs, Dry Valley, Idaho

Lyle A. Hale

Utah Geological Association

... relationship is genetically related to the chemical affinity of calcium and uranium ions during precipitation of the phosphorite pellets on the ancient sea...


Old Electrical Log Interpretation [Pre-1958], Chapter 3: The Normal Curve

Hilchie, D.W.

AAPG Special Volumes

... electrode was that it had better bed resolution. The major disadvantage was that it was severely influenced by the borehole. The resistivity scales on most...


Internal Stratigraphy Review and Petroleum Potential of the Lower Mississippian Lodgepole Formation Souris Valley Beds, Southern Saskatchewan

Scott G. MacKnight, Stephen L. Bend

Williston Basin Symposium

... of three depositional cycles to governing the spatial distribution of Souris Valley Bed facies variations, typically cited as peritidal, shelf, and basin...


Lithostratigraphy Versus Chronostratigraphy in Facies Correlations of Quaternary Deltas: Application of Bedding Correlation

M. Royhan Gani, Janok P. Bhattacharya

Special Publications of SEPM

.... BHATTACHARYA FIG. 11.—Computer modeling of a prograding delta. A) Bedding simulation emphasizes seaward-dipping clinoforms. Each individual bed represents 400...


Tidal Sand Wave Facies, Rancho Rojo Sandstone (Permian), Arizona

Ronald D. Kreisa, Richard J. Moiola, Arvid Nottvedt

CSPG Special Publications

..., westward dipping foresets comprise set boundaries of the large-scale cross-bed sets, but simple foresets with mudstone laminae and intraclasts...


Chapter 28: Architecture of an Aggradational Deep-water Channel Complex: Channel Complex 2, Isaac Formation, Windermere Supergroup, British Columbia, Canada

Mark D. Barton, Ciarán J. O’Byrne, Gary S. Steffens, Carlos Pirmez, Heinz Buergisser

AAPG Special Volumes

.... A) Aerial photo of study area on north side of Castle Creek glacier. Strata are dipping vertically. Shown are three channel-levee complexes...


Cleat Development in Coals of the Upper Cretaceous Mesaverde Formation, Pilot Butte Area, Wind River Reservation, Wyoming

Ronald C. Johnson, Arthur C. Clark, Richard J. Szmajter

Wyoming Geological Association

.... Ladeira, F. L., and Price, N. J., 1981, Relationship between fracture spacing and bed thickness: Journal of Structural Geology, v. 3, no. 2, p. 179-183...


Potential Proterozoic Petroleum System: Northwest Himalayan Thrust Belt, Jammu (India); #50570 (2012)

Naveen Hakhoo, Ghulam M. Bhat, Sumita Koul, Jonathan Craig, and Bindra Thusu

Search and

... target for hydrocarbon exploration. Along the back thrust at Kanthan village, gas seep samples from the Chenab River bed, analysed for bulk chemical...


Subsurface Interpretation of Intersecting Faults and Their Effects Upon Stratigraphic Horizons

George Dickinson

AAPG Bulletin

... at point N, a well would pass from the top of bed (a) to the top of bed (e); that is, beds a, b, c, and d, or 400 feet of section, would be missing...


Hutton’s Great Unconformity at Siccar Point, Scotland: Where deep time was revealed and uniformitarianism conceived

Stuart G. Archer, John R. Underhill, and Kenneth E. Peters

AAPG Bulletin

..., erosion, and renewed sedimentation through deep geologic time. At Siccar Point, gently dipping Devonian fluviatile Old Red Sandstones unconformably onlap...


Laterally accreted deposits in low efficiency turbidites associated with a structurally-induced topography (Oligocene Molare Group, Tertiary Piedmont Basin, NW Italy)

Roberto Tinterri, Andrea Civa

Journal of Sedimentary Research (SEPM)

... of erosional surface dipping towards the WSW highlighted by a sharp grain-size break and mudstone clasts (see Part A for the location of this bed...


Investigation of the Corbula Bed of Central Texas as the Product of Catastrophic Tsunami Deposition

Roger Sigler, Heather Fell, Breanda L. Kirkland, C. Van Wingerden

GCAGS Journal

...Investigation of the Corbula Bed of Central Texas as the Product of Catastrophic Tsunami Deposition Roger Sigler, Heather Fell, Breanda L. Kirkland...


Heartburn in Predicting Natural Fractures: The Effects of Differential Fracture Susceptibility in Heterogeneous Lithologies

John C. Lorenz

Rocky Mountain Association of Geologists

... to the predictive ability of the models because they can alter stress magnitudes within a given bed and because they dictate the susceptibility of the strata...


Second Day Road Log From Durango, Colorado around Northeast Rim of San Juan Basin Via Bayfield, Chimney Rock, Arboles, Allison, and ignacio, Colorado and back to Durango

James E. Fassett

Rocky Mountain Association of Geologists

... and back to Durango James E. Fassett Geology and Coal-Bed Methane Resources of the Northern San Juan Basin, Colorado and New Mexico, 1988 337...


Natural fractures in a United Kingdom shale reservoir analog, Cleveland Basin, northeast England

Jonathan Imber, Howard Armstrong, Sarah Clancy, Susan Daniels, Liam Herringshaw, Ken McCaffrey, Joel Rodrigues, João Trabucho-Alexandre, and Cassandra Warren

AAPG Bulletin

... dimension 12 cm [4.724 in.]) for scale. (D) Curve-in of bed-parallel fracture with calcite infill, toward an east–northeast-dipping normal fault (fault...


Using Structure-From-Motion Photogrammetry to Recognize Lateral Versus Forward Accretion Bedforms in the Lower Cretaceous McMurray Formation, NE Alberta, Canada

Derek A. Hayes, Eric R. Timmer, Michael J. Ranger, Jeffrey L. Kavanaugh, Murray K. Gingras

CSPG Bulletin

.... Using 3D outcrop models to achieve this allows for bed-by-bed data collection of gently-dipping strata (typically less than 20°) where bedding planes...


Subaqueous Gravel Dunes

Paul A. Carling

Journal of Sedimentary Research (SEPM)

... more closely at the relationship between bed sediment size and dune morphology. Carling (1996a, 1996b) argued that the tendency for gravel dunes and sand...


Paleohydraulic Interpretation of Antidune Bedforms with Applications to Antidunes in Gravel

John Shaw , Rolf Kellerhals

Journal of Sedimentary Research (SEPM)

..., 1962, Flume studies of the transport of pebbles and cobbles on a sand bed: Geol. Soc. Amer. Bull., v. 73, p. 1431-1436. FOLK, R. L., AND W. C. WARD...


An Appraisal of Fracture Porosity

James M. Drummond

CSPG Bulletin

... development are both related to bed competency, which varies with physical conditions. There appears to be an inverse relationship between...


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