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The AAPG/Datapages Combined Publications Database
Showing 714 Results. Searched 200,691 documents.
Restoration of Cross Sections Above Intrusive Salt Domes
Roger C. Brewer , Richard H. Groshong, Jr.
AAPG Bulletin
... are consistent with the stress distributions over both sinusoidal and vertical-block uplifts (Sanford, 1959), but are only seen experimental y in steep-sided...
1993
Permeability characterization of distributary mouth bar sandstones in Prudhoe Bay field, Alaska: How horizontal cores reduce risk in developing deltaic reservoirs
Robert S. Tye, James J. Hickey
AAPG Bulletin
... views on how lithofacies and permeability are distributed in fluvially dominated distributary mouth bars. Following this insight, a sinusoidal...
2001
Displacement distributions on extensional faults: Implications for fault stretch, linkage, and seal
S. A. Stewart
AAPG Bulletin
... models was characterized by an approximately sinusoidal form (Figure 4e), having no angular apex at Dmax and a gradually tapering displacement...
2001
Innovative methods for flow-unit and pore-structure analyses in a tight siltstone and shale gas reservoir
Christopher R. Clarkson, Jerry L. Jensen, Per Kent Pedersen, Melissa Freeman
AAPG Bulletin
..., except perhaps in the upper 2 m (6.6 ft) of the data set. However, above 2209 m (7247 ft), cyclic (sinusoidal) changes in permeability appear to occur...
2012
The fluvial and lacustrine sedimentary systems and stratigraphic correlation in the Upper Triassic Xujiahe Formation in Sichuan Basin, China
Chunming Xu, Jean-Michel Gehenn, Dahua Zhao, Geyun Xie, and Mee-Kee Teng
AAPG Bulletin
... depth; GR = gamma ray; NEU = neutron; DEN = density. The sinusoidal features on BHI are planar to semiplanar surfaces in the rocks intersected...
2015
Short Junction Field Core Description and Petrophysical Analysis of the Hunton Group, Cleveland County, Oklahoma; #51217 (2016)
Tim Hunt, John Speight, Huabo Liu, Valentina Vallega, Curtis Helms, Julio Garcia
Search and Discovery.com
... beddings. Some longitudinal induced fractures might indicate deformation caused by overburden (Left and Below) Sinusoidal features characterizing bed...
2016
Evidence for Dynamic Climate Change on Sub-106-Year Scales from the Late Paleozoic Glacial Record, Tamworth Belt, New South Wales, Australia
Lauren P. Birgenheier, Christopher R. Fielding, Michael C. Rygel, Tracy D. Frank, John Roberts
Journal of Sedimentary Research (SEPM)
... ripple cross-lamination, trough cross-bedding, soft-sediment deformation features, sinusoidal ripples, and/or siltstone intraclasts (Fig. 10F). Sandstone...
2009
Mechanics of Basin Evolution and Its Relation to the Habitat of Oil in the Basin: Topical Papers
K. F. Dallmus
AAPG Special Volumes
... which gives an approximation of the length of any type of sinusoidal curve.(FOOTNOTE 4) [EQUATION] Where S = length of curve between lowest points 2h...
1958
Controls on Evolution of Cambrian-Ordovician Passive Margin, U.S. Appalachians
J. F. Read
Special Publications of SEPM
...; horizontal scale is time. Sinusoidal curve is track of Milankovitch sea-level fluctuations with time. These are superimposed on gradually falling (third...
1989
Taphonomy of modern marine Bahamian microbialites
Noah Planavsky, Robert N. Ginsburg
PALAIOS
... (Fig. 5A). Vertical sections through the microbialites also reveal elongated vugs, some of which are sinusoidal. The elongated and circular vugs...
2009
Full-Resolution 3D Radar Stratigraphy of Complex Oolitic Sedimentary Architecture: Miami Limestone, Florida, U.S.A.
Adrian Neal, Mark Grasmueck, Donald F. McNeill, David A. Viggiano, Gregor P. Eberli
Journal of Sedimentary Research (SEPM)
... dips more gently (12°) to the south. The reflections associated with F13 are therefore interpreted as sets of cross-beds deposited by sinusoidal sand...
2008
Proterozoic Shearing in the Area of the Old Mining Camps of Spencer and Vulcan, Gunnison Gold Belt, Gunnison and Saguache Counties, Colorado
James A. Dockal
Rocky Mountain Association of Geologists
... of the crystals probably lying in a plane that reflects SA. However, these are crosscut by sinusoidal lines of hornblende crystals with a moderate...
2010
Ecosystem engineering by bioturbating polychaetes in event bed microcosms
Liam G. Herringshaw, Owen A. Sherwood, Duncan McIlroy
PALAIOS
... of the segment (Gray, 1968), nereidid locomotion is sinusoidal rather than peristaltic (Heffernan and Wainwright, 1974). Nereidids are incapable of true...
2010
Structural Geology and Pressure Compartmentalization of Jonah Field, Sublette County, Wyoming
Edward M. Warner
Rocky Mountain Association of Geologists
... to the surface. Segments appear to be imbricated and sinusoidal rather than merely vertical. At the same time, this 3-D program identified a scissors fault...
1998
Complex tetrapod burrows from Middle Triassic red beds of the Argana Basin (western High Atlas, Morocco)
Sebastian Voigt, Jörg W. Schneider, Hafid Saber, Abdelkbir Hminna, Abdelouahed Lagnaoui, Hendrik Klein, Andreas Brosig, Jan Fischer
PALAIOS
... Environment Age Simple entrances; partially spiral and superimposed high frequency sinusoidal tunnels; complex terminal chambers Subhorizontal...
2011
Eurekan Structures of the Ekblaw Lake Area, Ellesmere Island, Canada
Kirk Osadetz
CSPG Special Publications
... of the Geological Society of London, v. 136, p. 705-711. Johnson, A. M. and Honea, E., 1975, Part III, transition from sinusoidal to concentric-like...
1982
Carbonate reticulated ridge structures from the lower Middle Triassic of the Luoping Area, Yunnan, southwestern China: Geobiologic features and implications for exceptional preservation of the Luoping biota
Mao Luo, Zhong-Qiang Chen, Shixue Hu, Qiyue Zhang, Michael J. Benton, Changyong Zhou, Wen Wen, Jin-Yuan Huang
PALAIOS
... microbial mats and physical agents of erosion, deposition, transformation, and deformation. In thin section, such microtextures as sinusoidal structures...
2013
Upper and Middle Devonian Ostracodes from the Beaverhill Lake Formation, Alberta, Canada
Peter McGill
CSPG Bulletin
... edge very slightly sinusoidal and paralleled on both valves by an almost imperceptible marginal flange. The anterodorsal margin of the LV of the male...
1963
Facies Analysis, Paleoenvironmental Interpretation, and Diagenetic History of Britt Sandstone (Upper Mississippian) in Portions of Caddo and Canadian Counties, Oklahoma
John Haiduk
Oklahoma City Geological Society
... the classic sinusoidal pattern of folding associated with strike-slip tectonics; they have nearly parallel axes, which intersect the preserved shear plane...
1994
Tubular Tidalites: A Biogenic Sedimentary Structure Indicative of Tidally Influenced Sedimentation
Murray K. Gingras, John-Paul Zonneveld
Journal of Sedimentary Research (SEPM)
... on burrow-infilling laminae to identify rhythmic trends in laminae thicknesses, visually fitting sinusoidal curves to the raw thickness distributions...
2015
Structural and Stratigraphic Relations of Upper Cretaceous to Lower Tertiary Orogenic Sediments in the Cedar Hills, Utah
William S. Jefferson
Utah Geological Association
... Group, and post-Indianola as shown in Table 1. Table 1. Stratigraphic relations in the Cedar Hills. Sinusoidal lines are disconformities...
1982
A Big Fan of Signals? Exploring Autogenic and Allogenic Process and Product In a Numerical Stratigraphic Forward Model of Submarine-Fan Development
Peter M. Burgess, Isabella Masiero, Stephan C. Toby, Robert A. Duller
Journal of Sedimentary Research (SEPM)
... strata despite a simple formulation. Two submarine-fan model scenarios are run, one with constant sediment input, and one with a sinusoidal variation...
2019
Bud feeding in the fossil record: a case study of leaf compressions from the Eocene Geiseltal Fossil Site, Germany
Rebecca N. Dekoster, Lutz Kunzmann, Carola Kunzmann, Victoria E. McCoy
PALAIOS
... is also not symmetric. The left and right sides of the leaf blade are separated by a wide (~ 1 mm) laticiferous midvein that forms a sinusoidal curve...
2025
The Effect of Sealevel Change on the Shelfedge and Slope of Passive Margins
Walter C. Pitman III, Xenia Golovchenko
Special Publications of SEPM
... level sealevel The landscape need not be sinusoidal as shown in Figure 8 Y is the average regional elevation above base level and dY dt is the degradation...
1983
An Entrenched Thalweg Channel on the Rhone Fan: Interpretation from a Seabeam and Seamarc I Survey
Suzanne O. Connell, William R. Normark, William B. F. Ryan, Neil H. Kenyon
Special Publications of SEPM
... or scalloped form in contrast with the abandoned thalweg downstream of the avulsion that exhibits the more typical meandering or sinusoidal form The cusps...
1991