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The AAPG/Datapages Combined Publications Database

Showing 4,169 Results. Searched 200,619 documents.

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Analysis Techniques and Signal Enhancement Methods Applied to the Bellshill Lake Stratigraphic Trap Program: ABSTRACT

R. J. Graebner, D. F. Brennan

AAPG Bulletin

..., and the preservation of true amplitude information in the recording procedure. Special data processing techniques included the application of a velocity filter...

1963

Analysis Techniques and Signal Enhancement Methods Applied to Bellshill Lake Stratigraphic Trap Program: ABSTRACT

R. J. Graebner, D. F. Brennan

AAPG Bulletin

... of a velocity filter, the "pie-slice" process, to improve the signal-to-noise ratio without signal distortion and the stacking of verticall distributed...

1963

Comparison of Types of Imagery for Photogeomorphic Studies: ABSTRACT

L. H. Lattman

AAPG Bulletin

... filter combinations, black and white infrared photography, color and color infrared (false color) photography, and thermal infrared and radar imagery...

1972

Evaluation of Remote Sensors For Exploration Geomorphology: ABSTRACT

Laurence H. Lattman

AAPG Bulletin

... black and white aerial photography--including black and white infrared photography and various film-filter combinations--color aerial photography, color...

1973

Geothermal Resources and Energy in Japan Estimated from Geophysical Data: ABSTRACT

M. Hayakawa, K. Baba

AAPG Bulletin

... of running-mean-values, which acts as a kind of filter for different wavelengths. The long wavelength corresponds to a large-scale source of heat...

1974

Walker Creek Field, Arkansas--Smackover Case History: ABSTRACT

F. A. Van Overmeeren, D. E. Foulkes

AAPG Bulletin

... filter, and a broader band section, containing 0-110-Hz data, certainly adds to the trap definition. Seislog (trademark of Teknika) inversion...

1979

Application of Regional Geochemical Data to Uranium Exploration: ABSTRACT

Ralph D. D'Andrea, Jr., Don L. Shettel, Jr., Richard J. Zinkl

AAPG Bulletin

... regression analyses, aid in interpretation. A contrast filter may be used to identify areas that are significantly different from their local background...

1980

Potential Petroleum Reservoirs on Deep-Sea Fans Off Central California: ABSTRACT

P. Wilde, William R. Normark, T. E. Chase

AAPG Bulletin

... only through the crude filter of acoustic profiling. Stratigraphic traps such as buried deep-sea channels, sand lobes, and updip pinch-out sands...

1980

Early Cretaceous Stratigraphic Sequence in Chihuahua Trough, Presidio County, Texas: ABSTRACT

Donald Reck

AAPG Bulletin

... deposition, terrigenous clastic input was influential in sedimentation, and perhaps created turbid water, prohibiting development of a filter-feeding...

1981

Landsat Imagery as Tool for Determining Potential Oil and Gas Resources: ABSTRACT

Ken M. Morgan, Jack Walper, Don Morris-Jones

AAPG Bulletin

... region, and the South China Sea area. Digital Landsat data were processed to produce 1:250,000 scale edge-enhanced, false-color, and high pass filter...

1981

Mineral Exploration Using Landsat Image Processing and Interpretation Techniques: ABSTRACT

Donald R. Morris-Jones, Ken M. Morgan, Jack Walper

AAPG Bulletin

... analysis of mineral potential. Contrast-stretched false color images and high-pass filter images ranging in scale from 1:125,000 to 1:250,000 were...

1981

Use of Computer Enhanced Landsat Imagery as Planning Tool for Resource Exploration: ABSTRACT

Ken M. Morgan, Don Morris-Jones

AAPG Bulletin

...-enhanced, high pass filter, false color, and ratio). Some of the images were geometrically corrected with map controls and nonlinear deconvolution...

1982

Plant Megafossil Biostratigraphy and the Late Cretaceous Environment of the North Slope, Alaska: ABSTRACT

R. A. Spicer

AAPG Bulletin

... Albian time. The Brooks Range apparently acted as a filter for some taxa and may have locally modified the climate. There is no evidence for major plant...

1985

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