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The AAPG/Datapages Combined Publications Database
Showing 2,480 Results. Searched 195,387 documents.
Chapter 2: Basics of Reflection Seismology that Relate to Seismic Stratigraphy
Tom Wittick
North Texas Geological Society
... impedance than the medium above (call it A1) then the reflected pulse will have the same polarity as the incident pulse. If, on the other hand, A2...
1992
Basics of Reflection Seismic Technology
Abilene Geological Society
...) has a higher acoustic impedance than the medium above (call it A1) then the reflected pulse will have the same polarity as the incident pulse...
1993
Paleomagnetic Studies of the Samoan Islands: Results from the Islands of Tutuila and Savaii
Barbara Keating
Circum Pacific Council Publications
... are characterized by mixed polarity, and the majority of the rocks from Tutuila (the easternmost of the main volcanic islands) are reversely mag netized...
1985
The Application of an Integrated Stratigraphic Approach to the Correlation of Depositional Sequence
Gregg H. Blake
Pacific Section SEPM
... samples, the HBT component is usually either normal or reversed in polarity, however, some samples have an indeterminate polarity (Hornafius, 1984...
1990
Laboratory Orientation of Well Cores by Their Magnetic Polarity
Edward D. Lynton
AAPG Bulletin
...Laboratory Orientation of Well Cores by Their Magnetic Polarity Edward D. Lynton 1937 580 615 21 5. (May) A practical laboratory method of orienting...
1937
Magnetostratigraphic and Biostratigraphic Correlations of Late Cretaceous to Early Paleocene Strata Between Alberta and North Dakota
J. F. Lerbekmo, K. C. Coulter
CSPG Special Publications
... polarity zone 29 r in both sections. The exposed lower 40 m of the early Paleocene marine Cannonball Formation in the North Dakota section encompasses...
1984
Comparison of Published Time Scales, Paleocene - Miocene: Are the Differences Between Scales Significant for Oil Exploration?
Jason Crux, Andres Pilloud, Maritza Canache, Arelis Farias, Carmen Piemonti, Vincenzo Constanzo
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... of geomagnetic polarity is included in time scales. The chronostratic scale is a convention that has been established in the last 300 years. The process...
2000
From Chronology to Stratigraphy: Interpreting the Lower and Middle Eocene Stratigraphic Record in the Atlantic Ocean
Marie-Pierre Aubry
Special Publications of SEPM
... the geomagnetic polarity time scale (GPTS). The IMBS consists in a magnetochronology derived from the sea floor lineation pattern and calibrated by isotopic...
1995
North American Stratigraphic Code1: North American Commission on Stratigraphic Nomenclature
AAPG Bulletin
..., Geomagnetic polarity epochs and Pleistocene geochronometry: Nature, v. 198, p. 1049-1051. Cox, A. V., R. R. Doell, and G. B. Dalrymple, 1964, Reversals...
1983
Spatial Variations in Magnetic Properties and Paleomagnetic Directions in the Duperow Formation, Williston Basin
Maria Cioppa
Saskatchewan Geological Society
... close to the centre of the basin is held in magnetite and pyrrhotite. It has a steep, reverse polarity inclination, similar to that of many samples...
2006
Late Jurassic-Early Cretaceous Time Scales and Oceanic Magnetic Anomaly Block Models
James E. T. Channell, Elisabetta Erba, Masao Nakanishi, Kensaku Tamaki
Special Publications of SEPM
...). Currently popular numerical age estimates for polarity chrons, base CMO (121 Ma), CM16CM15 (137 Ma) and top CM25 (154 Ma), are consistent with constant...
1995
Abstract: Refinement of Arrival-Time Picks Using an Iterative, Cross-Correlation Based Workflow; #90224 (2015)
Jubran Akram and David W. Eaton
Search and Discovery.com
... to evaluate the performance of the proposed workflow. The initial arrival-time picks, polarity and amplitudes are perturbed randomly and an error analysis...
2015
NORTH AMERICAN STRATIGRAPHIC CODE1
AAPG Bulletin
.... 843868.Cox, A. V., R. R. Doell, and G. B. Dalrymple, 1963, Geomagnetic polarity epochs and Pleistocene geochronometry: Nature, v. 198, p. 10491051.Cox...
2005
Core Magnetostratigraphy: Chron 33r in the Southern Alberta Plains
Taslima Anwar, Andrew J. Mumpy, Dunia Blanco, Vadim A. Kravchinsky, Octavian Catuneanu
CSPG Bulletin
... important hydrocarbon bearing units in southern Alberta, including the prolific Alderson Member. Several short normal polarity intervals within C33r...
2017
Analysis and interpretation of environment sequence models in Hassi R’Mel Field in Algeria, R. Baouche, A. Nedjari, and R. Chaouchi, #50188 (2009).
Search and Discovery.com
2009
Magnetobiostratigraphy of the continental Paleocene upper Coalspur and Paskapoo formations near Hinton, Alberta
J.F. Lerbekmo, A.R. Sweet
CSPG Bulletin
... Sciences, v. 36, p. 725-741. Cande, S.C. and Kent, D.V. 1992. A new geomagnetic polarity time scale for the Late Cretaceous and Cenozoic. Journal...
2008
Magnetic Stratigraphy of the Lower-Middle Eocene Domengine, Avenal, and Yokut Sandstones, Western San Joaquin Basin, Fresno and Kings Counties, California
Donald R. Prothero
Pacific Section SEPM
... held in both magnetitite and hematite, and this remanence passed a reversal test. The Yokut Sandstone is entirely of normal polarity, whereas...
2001
Direct Evidence of Hydrocarbon Accumulations from Seismic Data
E. G. Selby
Indonesian Petroleum Association
... of Line 15 (Refer to Figures 1, 2). Figure 3. Dual Polarity Display of Line 15. Figure 4 is an enlargement of the seismic data between 1.20 and 1.80 sec...
1975
Revision of the Late Miocene, Pliocene and Pleistocene Sequence Cycles: Abstract
Walter W. Wornardt Jr, Bernard L. Shaffer, Peter R. Vail
Houston Geological Society
..., 1995 Revised calibration of the geomagnetic polarity time scale for the Late Cretaceous and Cenozoic: Journal of Geophysical Research. v. 100, no. B4 p...
1998
Preliminary Study on Paleomagnetism of the Lower-Middle Devonian Boundary Beds from Guangxi, South China
H. Liu, J. Wang, S. Bai, Z. Bai
CSPG Special Publications
.... The determination reveals that between Early and Middle Devonian times there was no geomagnetic polarity reversal. The mean geomagnetic declination was 189.7...
1988
Magnetic Stratigraphy of the Middle Miocene Bopesta Formation, Southern Sierra Nevada, California
Sean Coles, Donald R. Prothero, James P. Quinn, Carl C. Swisher III
Pacific Section SEPM
... of the neostratotype section of the Bopesta Formation (after Quinn, 1987, Plate II). Virtual geomagnetic pole (VGP) latitude is positive for normal polarity...
1997
Paleomagnetism of the Fernando Formation (Pliocene-Pleistocene), Ventura Basin, California
Joseph C. Liddicoat
Pacific Section SEPM
... of a secondary component of normal paleomagnetic polarity that was acquired after development of the anticline. The Fernando Formation in the west...
2001
Extended Abstract: The Forgotten Curvature: Applications for the Negative of the Second Derivative to Post-Stack Seismic Reflection Trace Volumes
Randy Bissell
GCAGS Transactions
... is the construction of a new seismic volume that (1) enhances resolution of seismic reflection data and (2) maintains the zero-phase, polarity, and character...
2016
Magnetostratigraphy of Frasnian-Fammenian (Devonian) Carbonates of the Canning Basin, Western Australia: #30349 (2014.)
Evaluating the Potential for Regional and Global Correlations, Eric Tohver, Ted Playton, Sergei Pisarevsky, Maodu Yan, Jeroen Hansma, Joseph Kirschvink, Kate Trinajstic, Roger Hocking, Peter Haines, Paul Montgomery
Search and Discovery.com
... (Hurley and Van der Voo, Geology, 1990). Comparison of the primary magnetic polarity record from these different environments will allow cross-checks...
2014
Magnetostratigraphic Evidence Bearing on the Magnitude of the Sub-Paskapoo Disconformity in the Scollard Canyon-Ardley Area of the Red Deer Valley, Alberta
J.F. Lerbekmo, M.E. Evans, G.S. Hoye
CSPG Bulletin
.... In this study, two sections are examined paleomagnetically for evidence of the magnitude of the disconformity. It is found that polarity zone 28 and half...
1990