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The AAPG/Datapages Combined Publications Database
Showing 47,078 Results. Searched 200,621 documents.
A Review of the Jacksonian-Vicksburgian Boundary in the East-Central Gulf Coast by Means of Ostracoda
Herbert J. Howe
GCAGS Transactions
... OF SPECIES RECORDED IN THE PACHUTA MARL AND THEIR OCCURRENCE IN THE OVERLYING SHUBUTA CLAY TABLE 2. SPECIES OF OSTRACODS COMMON TO THE SHUBUTA CLAY AND RED...
1977
Wave-Dominated Shallow-Marine Sediments in the Lower Carboniferous of Morocco
John R. Graham
Journal of Sedimentary Research (SEPM)
... with sandstone caps interpreted as storm deposits. In the sandstones, flat lamination and low-angle cross-stratification predominate and there are abundant wave...
1982
Relations Between Cross-Bedding, Bedforms, and Flow
David M. Rubin
Special Publications of SEPM
..., behavior, and angle of climb. For example, reversals in the alongtrough migration direction of lee-side scour pits increase the dispersion of cross...
1987
Monte Carlo Simulation of Proppant Allocation in Multi-Cluster Stages Using Perforation Erosion Images
Alexei A. Savitski, Felix Todea, Somnath Mondal, Daria Spivakovska, Benjamin Lock, Patricio Fita
Unconventional Resources Technology Conference (URTEC)
... orientation angle is controlled. Technically, it may lead to a situation when the post-stimulation EHD is smaller than the reference unstimulated EHD...
2024
Comparison of Marine-Bar with Valley-Fill Stratigraphic Traps, Western Nebraska
F. A. Exum , J. C. Harms
AAPG Bulletin
... structures and textures. High-angle cross-stratification, with an average dip of 20°, is common in all valley-fill sandstone (Fig. 9). These larger cross...
1968
Classification of Faults: DISCUSSION
Chester R. Longwell
AAPG Bulletin
.... In geology--and in ordinary geometry--the common word to describe this relationship is inclined; an inclined plane is "a plane that makes an oblique angle...
1943
Nature and Significance of Rhomboid Ripples in a Silurian Sabkha Sequence, North-Central Ohio
Charles F. Kahle , Constance J. Livchak
Journal of Sedimentary Research (SEPM)
...°) truncation surfaces are common in Unit D. The unit contains some low-angle (3-10°) cross-stratification, and minor mud cracks, enter lithic gypsum...
1996
Pressured Shale and Related Sediment Deformation: Mechanism for Development of Regional Contemporaneous Faults
Clemont H. Bruce
AAPG Bulletin
... of these faults became bedding-plane type when the inclination of basinward-dipping beds equaled the critical slope angle for gravitational slide. Fault...
1973
Reservoir Delineation by Wireline Techniques
J. F. Goetz, W. J. Prins, J. F. Logar
Indonesian Petroleum Association
... sandstone and a "negative" separation of about 5 divisions in a clean water bearing dolomite. The response for these and other common lithologies is shown...
1977
Field Trip Road Log –Upper Cretaceous Sandstones –Casper –Salt Creek –Tisdale Mountain
Bruce B. Johnson, Peter F. Bryant, W.H. Curry, III, Robert Brenner
Earth Science Bulletin (WGA)
... homogeneous and uniform. Figure 4. At base of Teapot Rock, low angle cross-laminated sandstones are common and high angle cross-lamination rare in lower...
1979
Comparison of Viking Sandstone Sequences, Joffre and Caroline Fields
Gerry E. Reinson, A. E. Foscolos, T. G. Powell
CSPG Special Publications
... disseminated sand grains occur throughout, and pyrite and glauconite are common granular constituents. Zones of discontinuous sandstone laminae and lenses...
1983
Marine Origin of Paleotopographic Relief on Eolian White Rim Sandstone (Permian), Elaterite Basin, Utah
Jacqueline E. Huntoon , Marjorie A. Chan
AAPG Bulletin
... indices are also common. The presence of large-scale, high-angle cross-stratification with a unimodal paleocurrent orientation is consistent...
1987
Pine Hall Formation: Type Section Designated - Dan River Basin, Stokes County, North Carolina; #11012 (2017)
Jeffrey C. Reid, Katherine J. Marciniak, Walter T. Haven, Kenneth B. Taylor
Search and Discovery.com
... and more frequent than previously reported. A few high angle fractures occur in these strata. They are fully healed, up to several inches in length...
2017
The Pre-Tertiary Rocks
D. W. Weaver
Pacific Section of AAPG
... faulted. Some faulting is low angle and appears as subhorizontal zones of coarse-grained schistosity. These zones appear to be roughly parallel to much...
1969
Stratigraphy and Paleoenvironment of the Dinasaur Canyon Member of the Moenave Formation, Southern Navajo and Hopi Indian Reservations, Arizona
Allen H. Johnson
Four Corners Geological Society
... as large-scale, high-angle, cross-stratification is very common in modern eolian deposits (McKee, 1966). High indexed ripples may also be good environmental...
1969
Review of Marine Sand-Transporting Mechanisms
Ph. H. Kuenen
CSPG Bulletin
... (e.g. one degree), but unlubricated sand has higher angles of repose. Sand can of course be deposited by a river at less than its maximum angle...
1957
Technical Article: Finding Subtle Traps with Seismic: Interpretative Criteria Clarified
A. Easton Wren
Petroleum Exploration Society of Australia (PESA)
... coefficient is a more complex function, dependent on the angle of incidence of the energy, the amount of mode conversion (change from compressional to shear...
1986
The ichnological expression of marine and marginal marine conglomerates and conglomeratic intervals, Cretaceous Western Interior Seaway, Alberta and northeastern British Columbia
James A. MacEachern, Travis W. Hobbs
CSPG Bulletin
..., particularly within the sandstone component, while interstratification of low-angle and horizontal-planar stratification is increasingly common...
2004
The Morphology and Structure of Buried Impact Craters
P. Jan Cannon
Abilene Geological Society
...The Morphology and Structure of Buried Impact Craters P. Jan Cannon 1999 1 9 The most common and oldest planetary landform in the universe...
1999
Reservoir Modelling and Amplitude Analysis, South Lho Sukon, N. Aceh
J. C. den Boer, R. O. Ugland, W. Soeria Atmaja
Indonesian Petroleum Association
... angle for a range of shotpoints on the anomaly (open circles) and off the anomaly (solid circles). Figure 8. Four common offset gathers of Line...
1989
Eliminate Pilot Holes. An innovative solution to successful landing and production
L. Pontarelli, M. Viandante, G. Skinner, Y. Liu, B. Yang, M. Rigden
Indonesian Petroleum Association
... to: uncertainties due to seismic resolution and to geological variations within the area. The industry common practice to successfully land a well...
2014
Core Orientation from Non-Oriented Core: A Tutorial
D. C. Carter
Indonesian Petroleum Association
... each core section to be oriented The angle between the formation and the core axis must be sufficiently oblique (by > 15 degrees). Where formation...
2002
The Orientation of Discoidal Clasts in Resedimented Conglomerates, Cambro-Ordovician, Gaspe, Eastern Quebec
Hugh E. Hendry
Journal of Sedimentary Research (SEPM)
... conglomerate bed. Cross-bedding is not common and occurs only in conglomeratic sandstones and not in conglomerates. Erosion of beds underlying...
1976
PALEOENVIRONMENTAL INTERPRETATION OF THE LOWER CRETACEOUS WASECA FORMATION, UPPER MANNVILLE GROUP, LLOYDMINSTER AREA, SASKATCHEWAN
JAMES A. MACEACHERN
Saskatchewan Geological Society
..., are locally common in the shales of these lithounits. Syneresis cracks (Fig. 3 I, J) are formed by salinity changes in the fine grained sediments...
1984
Fluid Substitution as an AVO Calibration for Quantifying Uncertainty of Gas Presence in Late Miocene Binio Sandstone, Kampar Area, Central Sumatra Basin
Istiqlal Dalimunthe, Pamela Amelia Barus, Jhon Johannes Wood, Febrie Ekaninggarani
Indonesian Petroleum Association
... the relationship between amplitude and hydrocarbon. common reflection point. The amount of compressional energy recorded at the surface is dependent...
2008