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The AAPG/Datapages Combined Publications Database
Showing 519 Results. Searched 200,756 documents.
Fluvial–Eolian Interactions In Sediment Routing and Sedimentary Signal Buffering: An Example From the Indus Basin and Thar Desert
Amy E. East, Peter D. Clift, Andrew Carter, Anwar Alizai, Sam VanLaningham
Journal of Sedimentary Research (SEPM)
...—transverse, parabolic, and linear forms indicate the prevalence of north-northeastward eolian sediment transport (Fig. 1A, C). Initial sediment...
2015
The Asteroidal Impact Theory and Some Geologic Evidence for Asteroidal Impacts on Earth: A discussion of Direct and Indirect Data of Extraterrestrial Bodies and Their Motions and How They May Have Affected Earth Structures
Robert E. Cohenour, Byron J. Sharp
Utah Geological Association
...; (4) the explosive force of the rupturing parent was sufficient to cause part of it to exceed parabolic velocity and consequently escape from the solar...
1987
Late Wisconsinan and Holocene Coastal Evolution of the Southern Shore of Lake Michigan
Michael J. Chrzastowski, Todd A. Thompson
Special Publications of SEPM
... slope is greater the ridges merge and are superim posed by parabolic dune fields Continued lake level decline and reduced lake drainage through...
1992
Low-Angle Eolian Deposits in Coastal Settings: Significant Rocky Mountain Exploration Targets
Thomas S. Ahlbrandt, Donald L. Gautier, Talat A. Bader
Rocky Mountain Association of Geologists
... decreases, bedforms change to dome, shield, parabolic, or sand sheets, and bedform migration rates may slow or the dune may ultimately merge...
1994
Chapter 8: High-Resolution Sequence Stratigraphic Architecture and Reservoir Characterization of the Mississippian Burlington-Keokuk Formation, Northwestern Arkansas
Buddy J. Price, G. Michael Grammer
AAPG Special Volumes
... the shoal that form in response to differing current regimes including linear shoulder bars (1), incipient parabolic bars (2), and parabolic bars (3...
2019
Interactions Between Tidal Flows and Ooid Shoals, Northern Bahamas
Stacy Lynn Reeder, Eugene C. Rankey
Journal of Sedimentary Research (SEPM)
... trajectories. Figure 17. Mutually evasive flow trajectories in the parabolic bars of Lily Bank, Bahamas. These flow patterns set up a net circular pattern...
2008
Clues to the medieval destabilization of the Nebraska Sand Hills, USA, from ancient pocket gopher burrows
Rebecca L. Schmeisser, David B. Loope, David A. Wedin
PALAIOS
...). Barchanoid, parabolic, and linear dunes are present in the Sand Hills, all of which are currently vegetated and stabilized. In the west-central Sand...
2009
The Evaluation of an Oil Discovery: How to Locate the Second, Third and Fourth Wells
Parke A. Dickey
Southeast Asia Petroleum Exploration Society (SEAPEX)
... it as somewhat wider. If the reflecting body is only ¼ of a Fresnel zone wide, the reflection will be reduced in amplitude and have the parabolic shape...
1980
Tiltmeter Mapping and Monitoring of Hydraulic Fracture Propagation in Coal: A Case Study in the Warrior Basin, Alabama
George A. Gazonas, Chris A. Wright, M.D. Wood
Rocky Mountain Association of Geologists
... (CU, ft,) Figure 4. Parabolic error surface of the mean-squared error versus volume obtained by varying the dimensions of the single fracture...
1988
Sand Waves on Browns Bank observed from the Shelf Diver
Georges Drapeau
Atlantic Geology
... if this feature is associated with a barchan or a parabolic dune structure. A barchan-type structure would have formed by a current flowing from the right towards...
1970
Origin of Graben in the Needles District, Canyonlands National Park, Utah
George E. McGill, Albert W. Stromquist
Four Corners Geological Society
... in a channel of rectangular, elliptic or parabolic cross section: Jour. Glaciology, v. 5, p. 661–690. Stromquist, A. W., 1975, The geometry and growth of graben...
1975
A Practical Workflow for Determining the Individual-Stage Fracture Network Using Flowback Dynamics and Microseismic Data: A Case Study
Linkai Li, Yue Wang, Xiao Guo, Zhendong Gao
Unconventional Resources Technology Conference (URTEC)
..., and tracer curve is single-peak, with fast production and sharp peak value (see Fig. 2b). Single-peak parabolic type: Reflecting the fracture network...
2021
Nahcolite and Dawsonite Resources in the Green River Formation, Picenace Creek Basin, Colorado
Thomas N. Beard, Donald B. Tait, John Ward Smth
Rocky Mountain Association of Geologists
... by quadratic equation solution of a parabolic equation relating oil yield to shale specific gravity (Smith, 1956). Specific gravity of oil-shale...
1974
Application of Nanoparticle to Enhance Foamy Oil Performance
Yishu Li, Zhongwei Du, Hairuo Qing, Yongan Gu, Fanhua Zeng
Unconventional Resources Technology Conference (URTEC)
... of asphaltene precipitation. Fluid Phase Equilibria, 277(1), 1-8. Ma, H., Yu, G., She, Y., & Gu, Y. (2017). A parabolic solvent chamber model...
2023
Pressure Transient Behaviour of Naturally Fractured Reservoirs
Doddy Abdassah
Indonesian Petroleum Association
... shows series of parabolic curves for different ω's. The slopes show a decreasing trend with time up to the inflection points as a sign of matrix...
1985
MULTISPECIES SHARK FEEDING IN THE TRANS-SAHARAN SEAWAY: EVIDENCE FROM LATE CRETACEOUS DYROSAURID (CROCODYLIFORMES) FOSSILS FROM NORTHEASTERN MALI
ROBERT V. HILL, ERIC M. ROBERTS, LEIF TAPANILA, M.L. BOUARÉ, FAMORY SISSOKO, MAUREEN A. O’LEARY
PALAIOS
... of traces that characterize modern crocodyliform feeding. These include ‘‘hook scores,’’ parabolic or J-shaped bite traces that are made during death...
2015
An Application of the Truncated Pluri-gaussian Method for Modeling Geology
A. Galli, G. Le Loch, F. Geffroy, R. Eschard
AAPG Special Volumes
... with 1. Consequently, models of semivariograms with a parabolic behavior close to the origin, such as the Gaussian model or the cardinal sine model...
2006
GROWTH-INVARIANT AND GROWTH-INDEPENDENT CHARACTERS IN EQUATORIAL SECTIONS OF HETEROSTEGINA SHELLS RELIEVE PHYLOGENETIC AND PALEOBIOGEOGRAPHIC INTERPRETATIONS
JOHANN HOHENEGGER, ANA IVIS TORRES-SILVA
PALAIOS
... regressions are difficult to interpret biologically, three parameters characterizing the parabolic function as location parameters simplify comparison...
2017
A New Method for Leak Detection in Gas Pipelines
Kegang Ling, Jun He
Unconventional Resources Technology Conference (URTEC)
... the partial differential equation and developed numerical solution to the linear parabolic partial differential equation. In his derivation friction...
2014
Quaternary Geology of the Wood River Area, Wyoming
Roy M. Breckenridge
Wyoming Geological Association
... marks, clearly indicate extensive glacial erosive action in the Kirwin vicinity. The U-shaped, or parabolic, cross-valley profiles indicating glacial...
1975
SwashGroundwaterBeach Profile Interactions
Evans Waddell
Special Publications of SEPM
... of the leading edge of an undisturbed swash is parabolic and 50 maximum at secondary depth approximated by J C l s Xs t 3 tan t2 I 2g floot 40 I...
1987
A Reconnaissance of Sedimentation on the Kosi Alluvial Fan of India
Neil A. Wells, John A. Dorr Jr.
Special Publications of SEPM
... by either lateral or vertical accretion. Vegetation is variable. Boils during floods may have formed parabolic, 3- to 5-m-long, >I-m-wide, 30- to 60cm-deep...
1987
Effects of Sea-Level Rise on Deltaic Sedimentation in South-Central Louisiana
John T. Wells
Special Publications of SEPM
... subaerial growth. Patterns o Sedimentation f Aerial photographs and satellite images show that the deltas have grown by producing parabolic lobes...
1987
Eustatic Controls on Clastic Deposition Iconceptual Framework
H. W. Posamentier, M. T. Jervey, P. R. Vail
Special Publications of SEPM
... to it. It is generally regarded as a smooth, parabolic curve, gently concave to the sky, practically flat at the mouth and steepening toward the source (Gary...
1988
Microbialite Reefs at the Close of the Proterozoic Eon: The Middle Member Deep Spring Formation at Mt. Dunfee, Nevada
Lynn K. Oliver, Stephen M. Rowland
Pacific Section SEPM
... interval, illustrating shapes of laminae; gc = gently convex; sc = steeply convex; p = parabolic. F. Microbial Horizon I, showing interbedded oolite...
2002