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The AAPG/Datapages Combined Publications Database
Showing 173 Results. Searched 195,372 documents.
Author's Reply: DISCUSSION
Theodore A. Link
AAPG Bulletin
... planes of no distortion intersect each other along a line which includes the intermediate axis (B-B)," it is obvious that the circular cross sections...
1930
Axiometer--A Mechanical Device for Locating and Measuring Pebble and Cobble Axes for Macrofabric Studies: NOTES
Henry R. Schmoll, Richard H. Bennett
Journal of Sedimentary Research (SEPM)
... with such schemes led to the development of the axiometer. As defined here, the A axis is the longest dimension of the stone, the B axis is the longest...
1961
Grain Size Measurement in Thin Section and in Grain Mount: NOTES
Richard E. Smith
Journal of Sedimentary Research (SEPM)
... determining the short (b) axis and then completing the rectangle tangent to the grain; the "a" axis is then measured perpendicular to the "b" axis. The "b...
1966
Abstracts of Theses: Structural Geology of the Northern Dogtooth Range, British Columbia
Wind, G.
CSPG Bulletin
... samples were examined. Elongation parallel to the b axis of folds is independent of elongation parallel to the a axis. Flattening takes place...
1968
Precision of Linear and Areal Measurements in Estimating Grain Size
Carol Waite Connor, John C. Ferm
Journal of Sedimentary Research (SEPM)
... analysis. The measurements made on each pebble, in addition to volume, were the A-axis (longest axis of a given plane), the B-axis (longest axis...
1966
Some Applications of the Strain Ellipsoid
Theodore A. Link
AAPG Bulletin
...). End_Page 1449------------------------------ axis (B-B), and these planes of no distortion represent circular sections through the ellipsoid whose...
1929
Bed Forms and Stratification Types of Modern Gravel Meander Lobes, Nueces River, Texas: Abstract
Thomas C. Gustavson
Dallas Geological Society
... and a water surface slope of 1.8 m/km in the study area. Stream discharge is variable and has ranged from no flow to more than 17,000 m3/s. Mean clast b...
1977
Bed Forms and Stratification Types of Modern Gravel Meander Lobes, Nueces River, Texas: Abstract
Thomas C. Gustavson
CSPG Special Publications
... and a water surface slope of 1.8 m/km in the study area. Stream discharge is variable and has ranged from no flow to more than 17,000 m3/s. Mean clast b...
1977
Abstract: Bed Forms and Stratification Types of Modern Gravel Point Bars, Nueces River, Texas, by Thomas C. Gustavson; #90972 (1976).
Search and Discovery.com
1976
Conditions of Sedimentation and Oil-Gas Prospects of the Middle Pliocene of the Northwest Border of the South Caspian Depression
G. M. Usanov, N. K. Rustambekova
Petroleum Geology: A Digest of Russian Literature
.... Map of Apsheron and Baku Archipelago. a-Axis of basin at beginning of the stage of the Productive Unit, b-axis of basin at end of stage...
1974
Abstract: Late Devonian Carbonate-Conglomerate Association in the Canning Basin, Western Australia, by A. E. Holmes; #91004 (1991)
Search and Discovery.com
1991
Abstract: Sedimentology and Geomorphology of a Modern Fan Delta, Loreto, Baja California Sur, Mexico, by D. J. Semmens; #90940 (1997).
Search and Discovery.com
1997
Abstract: Scale Invariance in Fluvial Bars: Implications for Reservoir Modelling of Fluvial Systems, by Barbara I. Holzweber and Adrian J. Hartley; #90124 (2011)
Search and Discovery.com
2011
Size and Shape of Rock-fragments in Tuscarora Scree, Fishing Creek, Lamar, Central Pennsylvania
J. C. Griffiths
Journal of Sedimentary Research (SEPM)
.... H@1TECHNIQUE AND PROCEDURE Three measurements were performed on each fragment: the longest axis, "a"; the intermediate axis, "b"; and the shortest...
1959
Fractures in Rocks of the Pokuta Fold
A. A. Orlov, A. M. Bak
Petroleum Geology: A Digest of Russian Literature
... investigation is oriented such that its main axis of deformation C has a NE direction; the intermediate axis B is NW; and the long axis A is vertical. See...
1965
New Data on the Structure of the Sedimentary Section of the South Part of the Aral Sea
O. D. Korsakov, A. I. Pilipenko
Petroleum Geology: A Digest of Russian Literature
... map of Middle and Lower Jurassic sediments (horizons IV and IV’). a-Structure contours on horizons IV and IV’; b-axis of Taldyk depression; c-segment...
1974
Abstract: Statistical Curvature Analysis Techniques for Structural Interpretation of Dipmeter Data, by C. A. Bengtson; #90963 (1978).
Search and Discovery.com
1978
Some Applications of the Strain Ellipsoid: DISCUSSION
W. J. Mead
AAPG Bulletin
... is absolutely definite (Fig. 1). The two planes of no distortion intersect each other along a line which includes the intermediate axis (B-B), and these planes...
1930
Rock-Type Controls on Downstream Changes in Clast Parameters in Sandur Systems in Southeast Iceland
David Huddart
Journal of Sedimentary Research (SEPM)
... selective sorting during transport was more important than abrasion, because b-axis measurements decreased by 9.8 mm/km while roundness did not change...
1994
Structural Petrology of the Pico Anticline, Los Angeles County, California
Lawrence C. Bonham
Journal of Sedimentary Research (SEPM)
... the mutual relations of the three B axes. One B axis coincides with the axis of the anticline. A second axis of rotation is apparent on the anticline...
1957
Information on Grain Sizes in Gravel-Bed Rivers by Automated Image Analysis: RESEARCH METHODS PAPERS
L.C. Sime, R.I. Ferguson
Journal of Sedimentary Research (SEPM)
... was overlaid with a 100-point grid and the visible b axis of each particle under a grid point was manually digitized. The median fines content at these sites...
2003
Valley Formation and Filling in Response to Neogene Magmatic Doming of Elba Island, Tuscany, Italy
Vincenzo Pascucci, Martin Gibling, Fabio Sandrelli
Special Publications of SEPM
... size and compositional data for the gravels. Clasts were removed from the outcrop for measurement. Reported sizes for clast suites are b-axis lengths...
2006
Megaclasts: Proposed Revised Nomenclature At the Coarse End of the Udden-Wentworth Grain-Size Scale for Sedimentary Particles
J. P. Terry, J. Goff
Journal of Sedimentary Research (SEPM)
... greater than boulder size (i.e., b axis > 4.1 m), as previously defined. Blair, T.C., and McPherson, J.G., 1999, Grain-size and textural classification...
2014
Deep-Sea and Fluvial Braided Channel Conglomerates: A Comparison of Two Case Studies
Frances J. Hein
CSPG Special Publications
... are generally aligned in fluvial channels with a-axis flow-transverse, b-axis imbricate upstream. Braid bar deposits are distinguished on the basis...
1984
Fault orientation variations along the strike of active normal fault systems in Italy and Greece: Implications for predicting the orientations of subseismic-resolution faults in hydrocarbon reservoirs
Gerald P. Roberts
AAPG Bulletin
...) Stratigraphic separation diagram and fault plane and slip-vector orientations for the South Alkyonides fault, showing an example of the b-axis...
2007