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The AAPG/Datapages Combined Publications Database
Showing 11,091 Results. Searched 200,357 documents.
Velocity Anomalies and Out-of-Plane Reflections in Barnicarndy 1, Canning Basin
Y. Zhan
Australian Petroleum Production & Exploration Association (APPEA) Journal
... the data in the elevated areas. Static corrections were applied to the seismic data to compensate for the effects of variations in elevation, weathering...
2021
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... moveout (DMO) correction: NMO corrections are made under the assumption of horizontal planar reflectors. If the reflector has appreciable dip...
1992
Diagenesis and Weathering: DISCUSSION
Eliot Blackwelder
AAPG Bulletin
...Diagenesis and Weathering: DISCUSSION Eliot Blackwelder 1947 500 500 31 3. (March) In the January number of the Bulletin,(FOOTNOTE 3) W. C. Krumbein...
1947
SEISMIC EXPLORATION IN BLAINE AND PHILLIPS COUNTIES, MONTANA, AND ADJACENT PARTS OF CANADA
S. W. FRUEHLING
Montana Geological Society
... to be of low relief. Thus the necessity of achieving a high degree of accuracy of the near surface corrections is quite obvious...
1953
Abstract: Weathering and Rock Strength
John Kunaraj
Geological Society of Malaysia (GSM)
...Abstract: Weathering and Rock Strength John Kunaraj 276 Weathering and rock strength JOHN KUNARAJ, Jabatan Geologi, Universiti Malaya, Kuala Lumpur...
1982
Abstract: Weathering of Granitic Rocks
John K. Raj
Geological Society of Malaysia (GSM)
... of the original bedrock; the degree of preservation increasing with depth. Morphological Zone III (comprising Rock Mass Weathering Grades 2 and 1...
1998
Application of Schmidt hammer rebound test for weathering profile classification of granite, Paya Terubong, Penang, Malaysia
Mohamad Anuri Ghazali, Mohd Rozi Umor, Mohd Syafiq Hussin, Abdul Ghani Md. Rafek
Geological Society of Malaysia (GSM)
...Application of Schmidt hammer rebound test for weathering profile classification of granite, Paya Terubong, Penang, Malaysia Mohamad Anuri Ghazali...
2022
Spatial Variations in the Chemical Composition of Eolian Sediments in Hyperarid Regions: a Case Study from the Badain Jaran Desert, Northwestern China
Qiujie Chen, Zhuolun Li, Shipei Dong, Nai'ang Wang, Derrick Y.F. Lai, Kai Ning
Journal of Sedimentary Research (SEPM)
... of the chemical weathering in this desert, the exact environmental significance indicated by CIA should be stated explicitly before using this index as a proxy...
2018
Regional Evaluation of Cut-Slope Instability Using Statistical Methods - Northern Range, Trinidad
Stanley Rich Wharton
Geological Society of Trinidad & Tobago
... and the degree of weathering. Three main statistical tests were performed: 1. Cross-tabulation statistical test for alpha-numeric data, 2. One-Way...
1991
Paleopedology and Paleohydrology of a Volcaniclastic Paleosol Interval: Implications for Early Pleistocene Stratigraphy and Paleoclimate Record, Olduvai Gorge, Tanzania
Gail M. Ashley , Steven G. Driese
Journal of Sedimentary Research (SEPM)
... pedogenic phases. The Lower Paleosol developed at both sites, whereas the Upper Paleosol developed only at the upslope site. Mass-balance calculations...
2000
High-Frequency Detrital Signals in Eocene Fan-Delta Sandstones of Mixed Parentage (South-Central Pyrenees, Spain): A Reconstruction of Chemical Weathering in Transit
G. J. Weltje, S. O. K. J. Van Ansenwoude, P. L. De Boer
Journal of Sedimentary Research (SEPM)
... Weathering in Transit G. J. Weltje, S. O. K. J. Van Ansenwoude, P. L. De Boer 1996 Vol. 66 No. 1. (January), High-frequency sedimentation patterns in fan...
1996
Diagenesis of the Upper Proterozoic Siliciclastic Sediments of the Taoudeni Basin (West Africa) and Relation to Diabase Emplacement
Jean-Pierre Girard , Max Deynoux, Daniel Nahon
Journal of Sedimentary Research (SEPM)
... Precambrien superieur et Paleozoique de Taoudeni en Haute Volta [these 3e cycle, unpubl.]: Univ. Poitiers, 197 p. POTTER, R. W., 1977, Pressure corrections...
1989
Differential Mobility of Elements in Burial Diagenesis of Siliciclastic Rocks
Robert P. Wintsch, Cindy M. Kvale
Journal of Sedimentary Research (SEPM)
..., the calculations show that rock densities increase slightly with depth, and reveal a systematic error of up to 3% in the volume factor if a constant density...
1994
Weathering Features of a Granitic Outcrop at Sungai Batu, Penang
Lim Tow Ho
Geological Society of Malaysia (GSM)
...Weathering Features of a Granitic Outcrop at Sungai Batu, Penang Lim Tow Ho Weathering features of a granitic outcrop at Sungai Batu, Penang LIM Tow...
1995
Geochemical and Isotopic Signatures of Surficial Sediments from the Western Continental Shelf of India: Inferring Provenance, Weathering, and the Nature of Organic Matter
Siby Kurian, B. Nagender Nath, N. Chandramohana Kumar, K.K.C. Nair
Journal of Sedimentary Research (SEPM)
...Geochemical and Isotopic Signatures of Surficial Sediments from the Western Continental Shelf of India: Inferring Provenance, Weathering...
2013
High Resolution “Vibroseis” Data – Compressional and Shear-Wave Modes
D. E. Miller, D. E. Dunster
Pacific Section of AAPG
... 6 shows the same data after being corrected for weathering and elevation. The undulations are nearly gone and the slight south dip is now apparent...
1972
Provenance of Triassic-Cretaceous Sandstones in the Antarctic Peninsula: Implications for Terrane Models During Gondwana Breakup
Robert C.R. Willan
Journal of Sedimentary Research (SEPM)
..., p. 715-717. NESBITT, H.W., AND YOUNG, G.M., 1984, Prediction of some weathering trends of plutonic and volcanic rocks based on thermodynamic...
2003
Adjustments of Velocity Logs to Tie Geophone Surveys
Warren Hicks
Oklahoma City Geological Society
... averaging results from the two sides of the well. This assumption may lead to a large error due to surface weathering, dip, or a fault. End_Page 137...
1961
A Fulcrum Approach To Assessing Source-To-Sink Mass Balance Using Channel Paleohydrologic Paramaters Derivable From Common Fluvial Data Sets With An Example From the Cretaceous of Egypt
John Holbrook, Hamdalla Wanas
Journal of Sedimentary Research (SEPM)
.... An additional factor worthy of consideration is that discharge calculations from field measurements are derived not only from channel depth but also...
2014
Fluvial Sedimentation Conditioned by Quaternary Climatic Change in Central Texas
Victor R. Baker , Margarida Maria Penteado-Orellana
Journal of Sedimentary Research (SEPM)
... of the Colorado River during the Quaternary has resulted in long perio s of storage for alluvium in flanking terraces. With increasing time for weathering...
1978
Systematic Approach in the Characterisation of Granitic Weathering Profiles in Tropical Terrains
Ibrahim Komoo, Kadderi Md Desa, Hamzah Mohamad, Abdul Ghani Rafek, Tan Boon Kong
Geological Society of Malaysia (GSM)
.... Although the degree of rock mass weathering changes with depth, the general trend that the rocks are completely weathered near the surface and become less...
1991
Paleohydrology of the Eocene Las Palmas Gravels, Baja California, Mexico
Scott D. McDonough, Patrick L. Abbott
Pacific Section SEPM
... of the techniques overlapping. The largest and most anomalous values of depth came frcm calculations based on Dubpy's equation. They utilize shear stress values...
1989
Belden Shale Sections at Fossil Ridge and Mosca, Gunnison County, Colorado
Ralph Langenheim, Jr.
Earth Science Bulletin (WGA)
... and the cutbank, crosses beds of abnormal dip and strike and may cross a fault. A detailed description of the section follows: MOSCA SECTION Unit...
1978
Provenance of lower Cambrian quartz arenite on southwestern Baltica: Weathering versus recycling
Sanne Lorentzen, Tonje Braut, Carita Augustsson, Johan P. Nystuen, Jens Jahren, Niels H. Schovsbo
Journal of Sedimentary Research (SEPM)
...Provenance of lower Cambrian quartz arenite on southwestern Baltica: Weathering versus recycling Sanne Lorentzen, Tonje Braut, Carita Augustsson...
2020
Characterisation of the Weathering Profile Developed over an Amphibole Schist Bedrock in Peninsular Malaysia
J. K. Raj
Geological Society of Malaysia (GSM)
...) III + L.....J -L.. t Location of weathering profile _____ Lithological boundary Dip and strike of foliation Dip and strike of bedding I banding...
1994