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The AAPG/Datapages Combined Publications Database
Showing 47,088 Results. Searched 200,635 documents.
Sedimentary Facies and Reservoir Characteristics of Frontier Formation Sandstones, Southwestern Wyoming
Thomas F. Moslow , Roderick W. Tillman
AAPG Special Volumes
...-to low-angle trough cross-bedding is the prevailing stratification type. Inversely graded beds and ripples on troughs are also common. almost all...
1986
Salients, Recesses, Arcs, Oroclines, and SyntaxesA Review of Ideas Concerning the Formation of Map-view Curves in Fold-thrust Belts
Stephen Marshak
AAPG Special Volumes
..., velocity of convergence, and angle of subduction: Geophysical Research Letters, v. 5, p. 329332.Van der Voo, R., J. A. Stamatakos, and J. M. Pares...
2004
Progressive Rollover Fault-Propagation Folding: A Possible Kinematic Mechanism to Generate Regional-Scale Recumbent Folds in Shallow Foreland Belts
Fabrizio Storti , Francesco Salvini
AAPG Bulletin
... must be assumed for common step-up angles of about 30°. The occurrence of thickness changes (Mitra, 1990) is unlikely to completely compensate...
1996
Sedimentology and Diagenesis of the St. Peter Sandstone, Central Michigan Basin, United States (1)
DAVID A. BARNES , CARL E. LUNDGREN , and MARK W. LONGMAN
AAPG Bulletin
.... This lithofacies is characterized by amalgamated bedding with common planar stratification and low-angle, planar-tabular to possible hummocky...
1992
Bank Deposition in Suspended-Load Streams
Graham Taylor, K. D. Woodyer
Dallas Geological Society
.... and Watson, I., in prep: Wash load-flood peak relationships. Suspended-load streams are not common in most countries but there are many amongst...
1977
Bank Deposition in Suspended-Load Streams
Graham Taylor, K. D. Woodyer
CSPG Special Publications
.... and Watson, I., in prep: Wash load-flood peak relationships. Suspended-load streams are not common in most countries but there are many amongst...
1977
Quasi-Planar-Laminated Sandstone Beds of the Lower Cretaceous Bootlegger Member, North-Central Montana: Evidence of Combined-Flow Sedimentation
R. W. C. Arnott
Journal of Sedimentary Research (SEPM)
... should be common in the shallow-marine stratigraphic record, and its recognition should aid in interpreting high-energy, combined-flow depositional...
1993
Constraints on the Formation of Pliocene Hummocky Cross-stratification in Calabria (Southern Italy) from Consideration of Hydraulic and Dispersive Equivalence, Grain-Flow Theory, and Suspended-Load Fallout Rate
Peter G. DeCelles, William Cavazza
Journal of Sedimentary Research (SEPM)
.... Ophiomorpha is common in modern and ancient upper shoreface, sandy facies (Frey et al. 1978). The presence of large-scale, high-angle cross-strata suggests...
1992
An Automated Grain-shape Classifier
William H. Glezen, John C. Ludwick
Journal of Sedimentary Research (SEPM)
.... In particular a helical convolute of 6 inch core diameter, helix angle of 30 degrees, and a surface of End_Page 23------------------------- glazed...
1963
Salt-Ridge Hypothesis on Origin of Texas Gulf Coast Type of Faulting
Miller Quarles, Jr.
AAPG Bulletin
... the strata, and the weight of the overlying section would cause the beds to sink into the adjacent depression along a medium- to low-angle (FOOTNOTE...
1953
Concave Sand Grains in Eolian Environments: Evidence, Mechanism, and Modeling
B. T. Werner , E. Merino
Journal of Sedimentary Research (SEPM)
...) in eolian sands. Our observations indicate that well-rounded concavities are common in eolian sand grains (Fig. 1), and that concavities are produced...
1997
Diagenetic History and Reservoir Characterlstics of a Deep Minnelusa Reservoir, Hawk Point Field Powder River Basin, Wyoming
Susan W. James
Rocky Mountain Association of Geologists
... values for the air-mercury system (140’ contact angle, 480 dynedcm interfacial tension). Samples for water-oil imbibition relative permeability...
1989
Hyperspectral imaging as an aid for facies analysis in massive-appearing sediments: a case study from the middle McMurray Formation
Alina Shchepetkina, Michelle Speta, Murray K. Gingras, Benoit Rivard, S. George Pemberton
CSPG Bulletin
... observations that refine the core interpretation. Specifically, based on additional trace-fossil observations, lithosome L1 (high- and low-angle cross...
2017
Depositional Environments of the Topanga Canyon Formation, the Encinal Tongue of the Rincon Shale, and the Fernwood Tongue of the Sespe Formation, Central Santa Monica Mountains, California
Michael E. Flack
Pacific Section SEPM
.... Wedge-shaped beds containing low-angle cross laminations are common. Beds of lithosome D are tabular and continuous and range in thickness from 0.3...
1993
Stratigraphy and Depositional Environments of the Vaqueros Formation, Central Santa Monica Mountains, California
Juli G. Oborne
Pacific Section SEPM
.... Sandstone concretions, which average 2 cm in diameter, are common in the Puerco Canyon and the Corral Canyon sections. These concretions are randomly...
1993
The Nonacho Basin (Early Proterozoic), Northwest Territories, Canada: Sedimentation And Deformation In A Strike-Slip Setting
Lawrence B. Aspler, J. A. Donaldson
Special Publications of SEPM
... depositional sinistral faulting is indicated by traces of a regionally penetrative cleavage and axial surfaces of related folds that trend at an angle...
1985
Sole Marks and Combined-flow Storm Event Beds in the Brixton Formation of the Siliciclastic Archean Witwatersrand Supergroup, South Africa
Nicolas J. Beukes
Journal of Sedimentary Research (SEPM)
... Supergroup. The sole marks are excellently preserved and include a variety of marks formed by combined flow: turnabout, curvilinear, and low-angle...
1996
Case study using APDMS and RPEMS for SAWL pipes and benefits for offshore pipelay
T. S. Kathayat, Atul Srivastava, Jan de Boer, Bhavin Mapara, Mahesh Gajjar
Australian Energy Producers Journal
... measured using the APDMS for one project and RPEMS for the other project. The radii data, assessed from the newly calculated common centre of all...
2024
Facies Mosaic of the Lower Seven Rivers Formation, Mckittrick Canyon, New Mexico
Neil F. Hurley
Special Publications of SEPM
...(?) burrows (sections 7, 8, 9, and 10). Siliciclastic sediments, which are thought to be subaqueous deposits of wind-blown sand, are most common...
1989
Modern Deep Sea Sedimentation in the Makassar Strait: Insights from High-Resolution Multibeam Bathymetry and Backscatter, Sub-Bottom Profiles, and USBL-Navigated Cores
John Decker, Philip A. Teas, Rhys D. Schneider, Arthur H. Saller, Daniel L. Orange
Indonesian Petroleum Association
... interface and above the critical angle (incident angle measured from vertical in which all energy is reflected; angle depends on velocity contrast across...
2004
Seismic Sedimentological Analysis and Lithofacies Framework of the Mulga Downs Group in the Blantyre Sub-Basin, Darling Basin, Western New South Wales
Mohamed Khalifa
Petroleum Exploration Society of Australia (PESA)
.... Smaller and less common high-angle clinoforms are present in the lower part of the sequence, along with parallel reflections, similar to those interpreted...
2006
Textures in Layered Silicates: Progressive Changes Through Diagenesis and Low-Temperature Metamorphism
Jung Hoo Lee, Jung Ho Ahn, Donald R. Peacor
Journal of Sedimentary Research (SEPM)
... have irregular and curved layers with high dislocation densities and many small-angle, grainlike boundaries. In both the deeper portion (5,500 m...
1985
Geospatial Data Quality and Mapping in Shale Plays Technical and Business Impact; #40940 (2012)
Jonathan Stigant
Search and Discovery.com
... -40 to +10 meters in the CONUS. Figure 6 shows the principle of convergence angle, which is the angle between true north and grid north. This angle...
2012
Stratigraphy of the Wellborn and Manning Formations in East-Central Texas
William L. Russell
GCAGS Transactions
.... Measurements of the angle of dip made in the field show that it is highly variable, ranging from 0 to 30 degrees, with most of the measurements from 0...
1955
Complex structure pattern and its control on reservoir distribution in the Apsheron ridge of South Caspian Basin, insights from integrated study of OBN seismic
Xiao Dengyi, Li Jianlin, Song Jiawen, Zhao Min, Li Xiaoliang, Chen Xin, Qi Qunli, Chen Shuangting, Li Qiang, Wang Bo, An Fuli, Wang Li, Liu Qiang, Cui Jinglin
International Meeting for Applied Geoscience and Energy (IMAGE)
... vertical primary fault: this set of faults occurs with the palm-tree shape. Normally, the main fault is almost vertical or high angle...
2024