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The AAPG/Datapages Combined Publications Database
Showing 2,589 Results. Searched 200,619 documents.
Synsedimentary Tectonics in the Late Cretaceous-Early Tertiary Pelagic Basin of the Northern Apennines, Italy
Alessandro Montanari, Lung S. Chan, Walter Alvarez
Special Publications of SEPM
... limestones located 382 ALESSANDRO MONTANARI ET AGE MIOCENE m LITHOSTRATIGRAPHY POLARITY AL. BIOSTRATIGRAPHY I 3sCIARC 1 Late 11 m 12 m 500...
1989
Application of generalized radon transform migration to crosswell seismic geometry
Shujaat Ali, Olga Podgornova, Takashi Mizuno, Joel Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
... were summed post migration, after sign reversal of the downgoing image to address the polarity reversal. a b Figure 1: P and SH ray trace direct wave...
2024
Stratigraphic and Structural Interpretations Using Diffraction Seismograms
Richard K. Snavely , A.K.M. Sarwar
GCAGS Transactions
... into two regions. The part of the hyperbola in front of the reflection has the same polarity as the reflection while the part beneath the reflection...
1988
A Distinctive Rock Type Classification based on Acoustic Impedance Inversion in the Baturaja Carbonate Oil Reservoir, Zulu Field, PHE ONWJ
Atmaji Nugroho, Chandra Sakti, Ermin Retnowati, Said Sabbeq, Zamzam Nurzaman
Indonesian Petroleum Association
... and while dominant frequency is 25 Hz (Figure 5). Zulu seismic data was processed with reverse polarity. SEG consensus states that peak is an increased...
2019
III. Evidence of Faulting
Robert E. Sheriff
AAPG Special Volumes
..._Page 52------------------------- the diffraction curve to which the reflection is tangent, inversion of polarity of the diffraction at this point...
1981
Note 42--Records of Stratigraphic Commission for 1970-1972
Steven S. Oriel
AAPG Bulletin
... and in many parts of the world has engendered attempts to develop a polarity time-scale. This has led to concern among Watkins and other students...
1975
Subandean thrust and fold belt of northwestern Argentina: Geometry and timing of the Andean evolution
L. Echavarria, R. Hernndez, R. Allmendinger, J. Reynolds
AAPG Bulletin
...): AAPG Bulletin, v. 78, p. 873892.Cande, S. C., and D. V. Kent, 1995, Revised calibration of the magnetic polarity timescale for the late Cretaceous...
2003
Direct Seismic Indicators of Gas Hydrates in the Walker Ridge and Green Canyon Areas, Deepwater Gulf of Mexico; #80112 (2010)
W. Wei-Huu Kou
Search and Discovery.com
... polarity relative to seafloor, crosscut bedding and is parallel to seafloor. Presenter’s Notes: This is a 2D Line from SW to NE, indicating: strong...
2010
The Punta del Este Half Grabens, Offshore Uruguay: The Next Exploration Frontier in the South Atlantic, #10983 (2017).
Oscar R. Lopez-Gamundi, Hector De Santa Ana, Bruno Conti
Search and Discovery.com
... variable (landward or basinward) polarity but in some cases there is a dominant landward (westward) vergence, opposite to the present deepening...
2017
The Eastern Paratethys During the Messinian Salinity Crisis; #51651 (2020)
Yuliana Rostovtseva, Alena Rybkina
Search and Discovery.com
... is up to 38 m. In terms of magnetostratigraphy most of the Pontian are characterized by reversed polarity with an episode of normal polarity near...
2020
Diversity of Island Arcs: Japan, Philippines, Northern Moluccas*
Richard W. Murphy
Southeast Asia Petroleum Exploration Society (SEAPEX)
... indicates that Japan has formed part of the continental margin of Asia at least since Permian and probably Devonian time. Subduction polarity...
1974
The Value of Rock Magnetism to the Earth Sciences
E. R. Deutsch
CSPG Bulletin
.... REVERSALS OF MAGNETIZATION At three of the nine "stable" sites, however, the polarity of the magnetic vectors was reversed. This does not affect...
1958
Advancements in Wireline Technology – Past, Present and Future
Kenneth C. Henry
Southeast Asia Petroleum Exploration Society (SEAPEX)
... technology, and resulted in the highly successful service, known as the Combinable Magnetic Resonance tool (CMR). Geomagnetic polarity measurements have...
1998
Carbonate Bedding Cycles in Cretaceous Pelagic and Hemipelagic Sequences
Alfred G. Fischer, Timothy Herbert, Isabella Premoli Silva
Special Publications of SEPM
... by the climatic precession. Cycle probably enhanced by diagenesis. In theory, magnetic polarity stratigraphy might The Earth's magnetic provide better time...
1985
Paleocene-Eocene Faunal Zones and a Preliminary Analysis of Laramide Structural Deformation in the Clark's Fork Basin, Wyoming
Philip D. Gingerich
Wyoming Geological Association
.... Geol. Bull., v. 46. p. 2019-2032. Berggren, W.A., McKenna, M.C., Hardenbol, J., and Obradovich J.D., 1978, Revised Paleogene polarity time scale; Jour...
1983
Substrate-Slope and Temperature Controls on Carbonate Ramps: Revelations from Upper Miocene Outcrops, Se Spain
Evan K. Franseen, Robert H. Goldstein, Mark R. Farr
Special Publications of SEPM
... be determined from principal component analysis. however a polarity forthis component can inferred because demagnetization vectors trend toward...
1997
Quaternary Chronology, Paleoclimate, Depositional Sequences, and Eustatic Cycles
J. H. Beard , J. B. Sangree , L. A. Smith
AAPG Bulletin
... sediments. The bottom sample of the gravity core is probably only slightly younger than the top sample of the E67-125 core. Magnetic polarity...
1982
Successful Identification of Thin Carbonate on Paleo-Basement High: Special Case in Palembang High, South Sumatra Basin
Feriyanto, Firman Kamil, Yuyus Kusnandar, Yudi Yanto
Indonesian Petroleum Association
... increase in seismic resolution, but it can help us to pick the horizon more precisely. A polarity reversal may show an indication of gas content...
2005
Shallow gas expression of the petroleum system offshore western Poland Pomeranian Bight
Quang Nguyen, Michal Malinowski, Regina Kramarska, Dorota Kaulbarsz Polish, Christian Huebscher
International Meeting for Applied Geoscience and Energy (IMAGE)
...) (Jaworowski et al., 2010; Pokorski, 2010; Krzywiec, 2006). Shallow gas-escape related features such as gas chimneys, bright spots, polarity reversals...
2022
Broadband Seismic Technology and Beyond: Part I: The Drive for Better Bandwidth and Resolution
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... (a) giving rise to two reflection events R of same polarity (b). Resolution can be increased by increasing the high-frequency content of the seismic wavelet...
2013
A Novel Method of Deriving Weathering Statics from First Arrival Refractions
G. W. Hollingshead, R. R. Slater
Pacific Section of AAPG
... on the display represents a geophone station location so that geophone groups with reversed polarity are easily identified because of their vertical alignment...
1980
Seismic Shear Waves for Discriminating Lithology from Saturation Changes
T. L. Dobecki
Houston Geological Society Bulletin
... around and striking in the opposite direction, an S wave of opposite polarity is Figure 1. Example of hammer-impact shear wave source and field layout...
1989
Importance of Palaeomagnetic data for Devonian Stratigraphy and Palaeogeography in the USSR
A. N. Khramov
CSPG Special Publications
... sections of the USSR are of interregional stratigraphic importance and depend on comparatively short-term epochs of the recent polarity of the geomagnetic...
1967
Seismic Detection of Source Rocks
Ian Davison, Karyna Rodriguez, David Eastwell
GEO ExPro Magazine
... on SEG negative reach up to 350m, with the highest density of the shales, so the organic polarity seismic data with a strong black TOC values up to 10...
2018
Extended Abstract: The Permian Play Ground: Unlocking the Potential of the Tinowon Sandstone
Barry Smith
Petroleum Exploration Society of Australia (PESA)
... quality and resolution to image the Tinowon Sandstone. However, Mosaic has recognised lateral polarity variations as a result of seismic reflectivity...
2003