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The AAPG/Datapages Combined Publications Database

Showing 8,089 Results. Searched 200,619 documents.

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Carbonate Concepts from the Maldives, Indian Ocean

Edward G. Purdy, George T. Bertram

AAPG Special Volumes

... dashed line identifies the near-surface occurrence of water bottom ringing that generally obscures bona fide reflections. Occasional water depth...

1993

Growth Faulting and Salt Diapirism: Their Relationship and Control in the Carolina Trough, Eastern North America: Rifted Margins: Field Investigations of Margin Structure and Stratigraphy

William P. Dillon, Peter Popenoe, John A. Grow, Kim D. Klitgord, B. Ann Swift, Charles K. Paull, Katharine V. Cashman

AAPG Special Volumes

... seismic-reflection profiles. The difficulty in defining this horizon is discussed in the text. Near-surface locations of faults are mapped. Locations...

1982

Leonardian and Lower Guadalupian Shelf-Edge Facies in El Paso Gap Quadrangle, Southeastern New Mexico

Donald W. Boyd

West Texas Geological Society

... shifted laterally in somewhat erratic fashion. Facies distribution within the El Paso Gap Quadrangle suggests that the transition between basin...

1962

Origin of Platy Calcite Crystals in Hot-Spring Deposits in the Kenya Rift Valley

Brian Jones , Robin W. Renaut

Journal of Sedimentary Research (SEPM)

..., Morphology and composition of non-marine carbonate cements in near-surface settings, in Schneidermann, N., and Harris, P.M., eds., Carbonate Cements...

1998

A High Resolution Seismic Stratigraphy Study, Central Sumatra Basin Indonesia

Untung Suryanto, W. A. Wycherly

Indonesian Petroleum Association

... and under favorable stratigraphic and near surface conditions we were able to delineate both the distribution and approximate thickness of individual...

1984

Origin of Satin Spar Veins in Evaporite Basins

Thomas C. Gustavson, Susan D. Hovorka, Alan R. Dutton

Journal of Sedimentary Research (SEPM)

... with respect to anhydrite and halite but saturated with respect to gypsum at near-surface temperatures, and (3) transport of excess calcium sulfate, beyond...

1994

Sedimentation and basin evolution of the Oligocene-Miocene Mesohellenic basin, Greece

A. Zelilidis, D. J. W. Piper, N. Kontopoulos

AAPG Bulletin

... occur near the base of the formation (Savoyat and Monopolis, 1972). In the southern part of the Mesohellenic basin, the Kalloni Member passes laterally...

2002

An Exposed Evaporite Weld and Related Deformational Structures, Edwards Plateau, I-10 Corridor, Kerrville-Junction-Sonora Area, Texas

James J. Willis, Brian E. Lock, Kristie C. Cornell, Daniel A. Ruberg

GCAGS Transactions

... dissolution locally contributes to the overall deformation, as does calichification near the present topographic surface. Figure 1. Index map of study...

2001

Star: Shallow Time Anomaly Replacement

Michael O. Marcoux, Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

...Star: Shallow Time Anomaly Replacement Michael O. Marcoux, Lee Lu 1982 37 44 The presence of spatially varying low velocity thin layers in the near...

1982

Evolution of Permian Evaporite Basin in Texas Panhandle

Mark W. Presley

AAPG Bulletin

... Permian salt-bearing strata and associated formations in Texas Panhandle. Asterisk (*) indicates that near-surface salt dissolution by ground water...

1987

Characteristics of Deltaic Depositional Environments: PART 1

James M. Coleman, David B. Prior

AAPG Special Volumes

... the Ice Ages have strongly influenced the near-surface sedimentary patterns off the coast of Louisiana. During the Pleistocene, some 2.8 million years...

1980

Transformation of point-to-line source seismogram in a 2D geological model

Moosoo Won, Bing Zhou, Mohamed Jamal Zemerly, Mohammad Al-Khaleel, Mohamed Kamel Riahi

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the near-surface rock may be well estimated in practice. Figure 2a and b are two seismogram sets with a poor and an accurate guess model ( 𝜎 = 10...

2024

Enhancing the accuracy of DBSCANs first arrival traveltime picking using super-virtual refraction interferometry

Muhammad Awais, Sherif M. Hanafy, King Fahd

International Meeting for Applied Geoscience and Energy (IMAGE)

... interferometry: an engineering field data example: Near Surface Geophysics, 10, no. 5, 443–449, doi: https://doi.org/10.3997/1873-0604.2012032. Hanafy, S. M...

2022

Uplifting mountains and shaking deserts: volcano-tectonic earthquakes revealed by soft-sediment-deformation structures in Upper Cretaceous aeolian deposits

Luciano Alessandretti, Lucas V. Warren, Filipe G. Varejão, Raul Rassi, Maurício G.M. Dos Santos, Mariana N.M. Silva, Fernando R. Honorato, Michele J.T. Estrada, João V.O. Cunha

Journal of Sedimentary Research (SEPM)

... (shear) movement of a near-surface sediment layer with respect to the underlying bed (Plaziat et al. 1990). In this way, these reverse faults could...

2023

Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)

Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng

Indonesian Petroleum Association

... tomography for deeper intervals. In this paper, it is shown that diving wave tomography is a robust technique that improves the near surface model...

2011

DAS Microseismic Monitoring and Integration With Strain Measurements in Hydraulic Fracture Profiling

Martin Karrenbach, Andrew Ridge, Steve Cole, Kevin Boone, Dan Kahn, Jamie Rich, Ken Silver, Dave Langton

Unconventional Resources Technology Conference (URTEC)

... to the near-surface channels with little processing required. In-well Treatment URTeC 2670716 4 The sensor array active during the in-well...

2017

LOWER TRIASSIC STRANDLINE DEPOSITS IN THE TENDOY RANGE NEAR DELL, MONTANA

Richard A. Klecker

Montana Geological Society

.... Longman, M.W., 1980, Carbonate diagenetic textures from near-surface diagenetic environments: AAPG Bull., v. 64, p. 461-487...

1981

A New Method of Neostress Determination From Passive Seismic Data

Alfred Lacazette, Alan Morris

Unconventional Resources Technology Conference (URTEC)

... are embedded in clouds of smaller fractures and acoustic emissions that become exponentially more dense near the main fracture surface. Second, fluid resonance...

2015

Geochemical Variations in an Alpine Lake and Watershed Underlain by Siliciclastic Bedrock, Uinta Mountains, Utah

John W. Christensen Jr., Paul W. Jewell

Utah Geological Association

... lakes: Water Resources Research, v. 21, p. 27–32. Mellor, G. L., and Durbin, P. A., 1975, The structure and dynamics of the ocean surface mixed layer...

1998

Contrasting Styles of Lithospheric Extension: Implications for Differences Between the Basin and Range Province and Rifted Continental Margins: Chapter 5: Concepts

Jean Braun, Christopher Beaumont

AAPG Special Volumes

... boundary condition. Reference continental crust has a near-surface layer of uniform radiogenic heat production. The distribution of radiogenic heat...

1989

AAPG/Datapages Discovery Series No. 7: Multidimensional Basin Modeling - Abstracts

AAPG Special Volumes

... dissolution-precipitation mechanisms, generally induced by stress (pressure solution). Mechanical compaction is more efficient near the surface, whereas...

2003

SODIUM SULPHATE DEPOSITS OF WESTERN CANADA: GEOLOGY, MINERALOGY, AND ORIGIN

W.M. LAST AND L.A. SLEZAK

Saskatchewan Geological Society

... sulphate lakes is inadequate. DESCRIPTION OF MODERN SEDIMENTS In their natural state, the near-surface (modern) sediments of the playas consist largely...

1987

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