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The AAPG/Datapages Combined Publications Database
Showing 1,537 Results. Searched 200,357 documents.
Abstract: Automated Cuttings Analysis for Unconventional Applications
Don Hall
West Texas Geological Society
... quadrupole mass spectrometry, X-ray fluorescence analysis and diffuse-reflectance infrared Fourier-transform spectroscopy. All analyses are performed...
2018
ABSTRACT: THE APPLICATION OF FREQUENCY SPECTRAL ANALYSIS OF LOGGING CURVES ON SEDIMENTARY CYCLE STUDIES IN COAL-BEARING STRATA
Fengjie Li, Duoyun Wang
The Society for Organic Petrology (TSOP)
... cycles caused by climate changes. Key words: Logging curves; Milankovitch cycles; Fast fourier transform; Ordos basin; Yan’an Formation 114...
2006
Abstract: Infrared spectrum of an individual fossil pollen grain measured as an organic maturation index
T. Aizawa, T. Ohbuchi, Y. Ujiié
The Society for Organic Petrology (TSOP)
... Infrared spectra for individual fossil pollen grains were measured by means of Fourier transform infrared spectroscopy with infrared microscope (micro...
2008
ABSTRACT: Structural characteristics and molecular representations of bark liptobiolite of Permian from China
Ya’nan Guo, Yuegang Tang
The Society for Organic Petrology (TSOP)
... spectroscopy (NMR), high-resolution transmission electron microscopy (HRTEM) and Fourier transform infrared (FT-IR) spectroscopy were employed to analyze...
2012
ABSTRACT: Infrared Microspectroscopy: An Efficient Tool for Micro-Scale Characterization of Organic Matter
P. Landais and A. Rochdi
The Society for Organic Petrology (TSOP)
... analysis. Fourier transform infrared (FTIR) spectroscopy is a widely used technique in organic geochemistry which facilitates the functional analysis...
1990
Abstract: DMO and NMO as Applied in Seismic Data Processing
Jiunnyih Chen
Geological Society of Malaysia (GSM)
... by Fourier transform. offset continuation, single channel DMO ... etc. and the improvements of these techniques are widely recognized. But every technique...
1988
Abstract: Multiple and Noise Attenuation with Tau-P Seismic Data Processing
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... transfrom from the 2-D Fourier transform. Compared to conventional processing in the (x, t) plane, the T-p domain has several advantages. This study...
1990
ABSTRACT: Quantitative Paleobathymetry Using Oxygen Isotopes and Shape Changes in Benthic Foraminifera, by Anthony C. Gary, Douglas F. Williams, and Nancy Healy-Williams; #91038 (2010)
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2010
ABSTRACT: Comparative Anatomy of Changes in Post-Jurassic Global Sea Level and Spreading Rates, by John D. Pigott, Michael N. Austin, and Larry A. Willis; #91030 (2010)
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2010
ABSTRACT: Fast PC-Based Burial/Thermal Modeling, by J. Dye, P. B. Visscher, J. H. Fang, S. Johnson, A. M. J. Davis, and R. Tipping; #91022 (1989)
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1989
ABSTRACT: Interaction of Marine and Fluvial Clastic Sedimentation, Central Italy, Tyrrhenian Coast, by S. Evangelista, W. E. Full, and P. Tortora; #91022 (1989)
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1989
ABSTRACT: Biostratigraphic Application of Shape Analysis and EXTENDED CABFAC-FUZZY QMODEL to Sphaeroidinellopsis Lineage, by Anthony C. Gary; #91022 (1989)
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1989
Sources of Shoaling in Charleston Harbor, Fourier Grain Shape Analysis: REPLY
Robert Ehrlich, P. Jeffrey Brown
Journal of Sedimentary Research (SEPM)
...Sources of Shoaling in Charleston Harbor, Fourier Grain Shape Analysis: REPLY Robert Ehrlich, P. Jeffrey Brown 1979 Vol. 49 No. 2. (June), COLQUHOUN...
1979
Determination of Relative Provenance Contributions in Samples of Quartz Sand Using Q-mode Factor Analysis of Fourier Grain Shape Data
Carolyn Brauer Hudson, Robert Ehrlich
Journal of Sedimentary Research (SEPM)
...Determination of Relative Provenance Contributions in Samples of Quartz Sand Using Q-mode Factor Analysis of Fourier Grain Shape Data Carolyn Brauer...
1980
Abstract: Benthic Foraminifera Morphology: A Tool for Paleoenvironmental and Paleowater Depth Interpretations, by A. C. Gary; #91004 (1991)
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1991
Examples of Optical Analysis and Filtering of Seismic Record Sections: ABSTRACT
J. A. Long
AAPG Bulletin
... to produce a diffraction pattern which is the two-dimensional Fourier transform of the section itself. By using suitable lenses, the diffraction...
1965
Abstract: Sampling 3-D Seismic Data, by V. Bardan; #90990 (1993).
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1993
Abstract: Red Sea Heat Flow Through Time, by J. D. Pigott, G. Tefferra, J. M. Forgotson Jr., E. Gebretsadik, and A. Al Ahdal; #90956 (1995).
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1995
Abstract: Seismic Data Processing in Anisotropic Media, by V. Celis; #90951 (1996).
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1996
Tuscarora Sandstone (Silurian), Central Pennsylvania: Preliminary Quantitative Grain Shape Analyses of Cotter's (1982) Facies--Fluvial, Estuarine, Beach, and Marine(?) Shelf: ABSTRACT
James M. Parks, Robert A. Gallagher, Edward Cotter
AAPG Bulletin
... unmodified. Preliminary results comparing the Fourier Analysis (FA) methods of Ehrlich and colleagues (1970 to 1982) and Boon (1982) with the Rotat d...
1982
ABSTRACT: Grain Size, Diagenesis and Permeability Prediction in Reservoir Sands, by C. M. Prince, R. Ehrlich, and C. J. Murray; #91021 (2010)
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2010
Abstract: Spatial Analysis of Fabric Elements in the Berea Sandstone through Petrographic Image Analysis, by M. B. Carr and C. A. Paschke; #90937 (1998)
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1998
Relationship of Morphologic Variation and Environment in Recent Bolivina (Foraminiferida) from Northwestern Gulf of Mexico: ABSTRACT
Anthony C. Gary, Nancy Healy-Williams
AAPG Bulletin
..., was quantified by an automated video digitizer using closed-form Fourier series anal ses. Significant variations in shape outline components were tested...
1984
Morphostratigraphy of Foraminifera Via Automated Image Analysis: ABSTRACT
N. Healy-Williams, L. Robbins, R. Ehrlich
AAPG Bulletin
... specimens per hour. The subsequent analysis of shape changes is via closed-form Fourier se ies and multivariate statistical techniques. Through...
1984
COGS--Computer Oriented Geological Society: ABSTRACT
James A. Thomson
AAPG Bulletin
... statistics, interactive geophysical modeling, double-Fourier analysis, and telecommunications, among others. Future presentations will include expert systems...
1984