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The AAPG/Datapages Combined Publications Database

Showing 714 Results. Searched 200,693 documents.

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ABSTRACT: A New Dinosaur Ichnofauna from the Late Cretaceous of Wrangell-St. Elias National Park and Preserve, Alaska; #90125 (2011)

Fiorillo, Anthony, Adams, Thomas, Kobahyashi, Yoshitsugu

Search and Discovery.com

... to the theropoda was based on the sinusoidal shape of the impression of the middle digit. Ornithopod impressions, identified by clearly blunt and rounded digit...

2011

Abstract: Xenoliths and Xenocrysts from the Renard Kimberlites, Quebec: A Comprehensive Study of Mantle Samples to Determine the Evolution of the Superior Craton; #90172 (2014)

Lucy Hunt, Thomas Stachel, John Armstrong

Search and Discovery.com

... of the peridotitic garnets is observed. Three main patterns have been identified: (1) sinusoidal; (2) humped; and (3) sloped. Sinusoidal patterns have...

2014

Abstracts: Measuring Minor Structures in Borehole Image Logs; #90173 (2015)

Kris Vickerman and Deborah Spratt

Search and Discovery.com

... sinusoidal traces to the predominantly planar features that are common in these logs, such as fractures or bedding. The interpretation software takes...

2015

Judy Creek: A Case Study for a Two-Dimensional Sediment Deposition Simulation

David M. Scaturo, John S. Strobel, Christopher G. St. C. Kendall, Jack C. Wendte, Gautam Biswas, James Bezdek, Robert Cannon

Special Publications of SEPM

... (as described by Vail and others, 1977), with a higher order sinusoidal oscillation of sea level superimposed upon it. Reef margin and interior lagoonal facies...

1989

Linear "Lower Continental Rise Hills" Off Cape Hatteras

Peter A. Rona

Journal of Sedimentary Research (SEPM)

... on the steeper lee face. 3. Disappearance of ripples and shear flow over a smooth bottom. 4. Formation of nearly sinusoidal sand waves FIG. 4. [Grey Scale...

1969

Medano Creek, Colorado, a Model for Upper-Flow-Regime Fluvial Deposition

Richard Langford, Bryan Bracken

Journal of Sedimentary Research (SEPM)

.... 821-824. KENNEDY, J. F., 1961, Stationary waves and antidunes in alluvial channels: Cal. Inst. Tech., W. M. Keck Lab. for Hyd. and Water Res. Rept. KH...

1987

A Transgressive Shelf Sequence Exibiting Hummocky Stratification: the Cape Sebastian Sandstone (Upper Cretaceous), Southwestern Oregon

Joanne Bourgeois

Journal of Sedimentary Research (SEPM)

..., Field observations of sand transport by shoaling waves: Marine Geology, v. 13, p. 31-55. CREAGER, J. S., AND STERNBERG, R. W., 1972, Some specific...

1980

Depositional Facies of a Mud Shoreface in Suriname, South America--A Mud Analogue to Sandy, Shallow-Marine Deposits

J. M. Rine , R. N. Ginsburg

Journal of Sedimentary Research (SEPM)

... documented how fluid muds of mud banks caused sinusoidal surface waves to be dampened and converted to solitary-like waves. Solitary waves are waves...

1985

THE EARTH'S CRUST UNDER THE WILLISTON BASIN IN EASTERN SASKATCHEWAN AND WESTERN MANITOBA

Z. HAJNAL, C. M. R. FOWLER

Williston Basin Symposium

.... Some traces were significantly affected by high amplitude, coherent, sinusoidal noise. Attempts to filter by band-pass filtering failed...

1982

Deep-Reading Technologies

Kim Gunn Maver, Colin Hulme, Mark McCallum, Ajay Nalonnil

GEO ExPro Magazine

... compressional and shear energy waves, allowing for advanced wavefield analysis. Both sources are borehole friendly and distribute the energy produced over...

2009

Significance of Textural Criteria in the Recognition of Ancient Polar Deltaic Sediments

A. S. Naidu, T. C. Mowatt

Alaska Geological Society

... versus size sorting values of all sediments (figure 5) exhibits an overall sinusoidal trend. A similar pattern is less obvious between the sediment...

1976

Reservoir Quality and Diagenesis of the West Erregulla Field, North Perth Basin, Western Australia

Matthew Wright, Andrew Farley, Hannah Karena, Anthony Cortis

Australian Petroleum Production & Exploration Association (APPEA) Journal

... between river and weak waves, possibly the back of estuarine bars, in a lateral posi­ tion to the main sedimentary channel or in a lateral position close...

2022

JAX acceleration of implicit FWI and field data application

H. V. Nguyen, A. Sekar, K. Wang, T. Zhang, T. Nemeth, U. Albertin, M. Eaid, K. Nihei, E. Wang, K. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... architecture (Sitzmann, et al. 2020), where periodic sinusoidal activation functions are used to better represent the earth’s spatial features. Input...

2024

A prior regularized 3D full-waveform inversion using 2D generative diffusion models

Fu Wang, Tariq Alkhalifah, Xinquan Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., yielding a flexible tool for diffusion regularized FWI. In the real world, waves propagate inside 3D medium thus, 3D waveform inversion would more...

2024

Computation of phase velocity direction using normalized wavefields

Kwangjin Yoon, Jungkyun Hyun

International Meeting for Applied Geoscience and Energy (IMAGE)

...up and phase velocity directions are same in isotropic media, however, in anisotropic media, they are different (Tsvankin, 2001). Seismic wave is sinusoid...

2024

Subaqueous Gravel Dunes

Paul A. Carling

Journal of Sedimentary Research (SEPM)

... of kinematic waves: U.S. Geological Survey, Professional Paper 422-L, p. 1-20. LANGHORNE, D.N., HEATHERSHAW, A.D., AND READ, A.A., 1986, Gravel bedforms...

1999

Mapping Stratigraphic Traps with Electrical Transients

Jamil Azad

CSPG Bulletin

.... VELOCITY OF THE SIGNAL Electromagnetic waves travel at the velocity of 300,000 km.s-1 in space. In space there is no absorption or dispersion...

1977

High-Density Suspensions Formed Under Waves

Michael P. Lamb, Jeffrey D. Parsons

Journal of Sedimentary Research (SEPM)

...High-Density Suspensions Formed Under Waves Michael P. Lamb, Jeffrey D. Parsons 2005 386 397 Vol. 75 (2005) No. 3. (May) We performed a series...

2005

Sedimentology of Modern, Inclined Heterolithic Stratification (IHS) in the Macrotidal Han River Delta, Korea

Kyung Sik Choi,, Robert W. Dalrymple, Seung Soo Chun, Seong-Pil Kim

Journal of Sedimentary Research (SEPM)

... linked to a scarp and overlain by planar lamination (Fig 10C). This deformation may be triggered by waves, accompanied by gravity-driven downslope...

2004

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