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The AAPG/Datapages Combined Publications Database

Showing 6,048 Results. Searched 200,619 documents.

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Sedimentation on North Shelf of Puerto Rico: ABSTRACT

David M. Bush, Zev N. Grossman, Orrin H. Pilkey

AAPG Bulletin

... terrigenous deposits are continuous between rivers, sediments sources have been delineated using X-ray diffraction of the heavy mineral suites...

1981

Mineralogy and Petrology of Texaco's Hobson Uranium Deposit, Karnes County, Texas: ABSTRACT

Harry M. Dahl, Harold A. Palmer, Christie A. Callender

AAPG Bulletin

... of the roll-front. Details of the uranium mineralization were studied using thin section microscopy, autoradiography, X-ray diffraction, scanning...

1981

Burial Diagenesis of Illite/Smectite, a Kinetic Model: ABSTRACT

D. G. McCubbin, J. W. Patton

AAPG Bulletin

...Burial Diagenesis of Illite/Smectite, a Kinetic Model: ABSTRACT D. G. McCubbin, J. W. Patton 1981 956 956 65 5. (May) X-ray diffraction analysis...

1981

Diagenetic Trends in Siliceous Facies of Monterey Formation, California: ABSTRACT

Kenneth A. Pisciotto

AAPG Bulletin

...) commonly accompanies these changes. X-ray diffraction analyses of surface and subsurface samples define present boundaries of silica zones. Within...

1981

Reflection Seismic Surveys for Basin and Range Geothermal Areas--An Assessment: ABSTRACT

Howard P. Ross, William E. Glenn, Charles M. Swift

AAPG Bulletin

... primarily by the systematic termination of coherent reflections. Diffraction patterns are sometimes recognized but commonly obscured by the complex faulting...

1981

Petrology and Diagenesis of Early Miocene Deep-Sea Fan Deposits near Point Arena, California: ABSTRACT

Joann E. Welton

AAPG Bulletin

... dispersive X-ray, X-ray diffraction, nuclear magnetic resonance, electron microprobe, and thin section analysis. Rock types examined include medium to very...

1981

Provenance and Diagenesis of Clay Minerals in Sediments from Anclote River and Anchorage, West-Central Florida: ABSTRACT

Wen-An Chiou, Larry J. Doyle, William R. Bryant

AAPG Bulletin

... in west-central Florida) were examined by X-ray diffraction methods to reveal the factors controlling clay minerals distribution in paludal (swamp...

1981

Mineral Reaction Pathways and Mass Transfer in Sandstone-Shale Sequences, Brazil: ABSTRACT

Hung K. Chang, Fred T. Mackenzie

AAPG Bulletin

..., X-ray diffraction, EM, SEM, and isotopic and chemical analyses provided the basis for interpretation of mineralogy, texture, and diagenetic...

1982

Aspects of Porosity Development in a Tight Sandstone, "Clinton" of Eastern Ohio: ABSTRACT

Kenneth R. Frech, Arthur E. Burford

AAPG Bulletin

... less than 0.1 md to 1.0 md and more. Detailed study of three cores from northeast Ohio by visual, petrographic, X-ray diffraction, cathodoluminescence...

1982

Pisoliths of Fairview Valley Formation, San Bernardino County, California: ABSTRACT

J. C. Nellis

AAPG Bulletin

... of sediments. The matrix of rock samples analyzed both by X-ray diffraction and staining contains iron-free calcite, tremolite, and forsterite. Prior...

1982

Sedimentary Facies and Reservoir Characteristics of Cretaceous "J" Sandstone at Torrington Field (North), Goshen County, Wyoming--Exploration and Development Implications: ABSTRACT

David L. Mikesh, Randal F. Lafollette

AAPG Bulletin

... through examination of X-ray diffraction, scanning electron microscopy, thin-section petrography, and conventional core analysis data. Microporosity...

1983

Detrital and Authigenic Clay Minerals in Lower Morrow Sandstones of Eastern New Mexico: ABSTRACT

Jim Mazzullo, Louis J. Mazzullo

AAPG Bulletin

... is affected by the types and distributions of detrital and authigenic clay minerals present in the rocks. Thus, X-ray diffraction and scanning electron...

1984

Ferroan Carbonates Formed at Depth Require Porosity Well-Log Corrections: Hunton Group (Upper Ordovician to Lower Devonian), Deep Anadarko Basin, Oklahoma and Texas: ABSTRACT

Charles A. Sternbach, Gerald M. Friedman

AAPG Bulletin

... in the chemical compositions of dolomite (especially of iron). Bulk densities determined by measuring proportions of major minerals (X-ray diffraction...

1984

Holocene Dolomitization of Supratidal Sediments by Active Tidal Pumping, Sugarloaf Key, Florida: ABSTRACT

Jose D. Carballo, Lynton S. Land

AAPG Bulletin

... are poorly ordered, result from the recrystallization of many smaller preexisting crystallites. X-ray diffraction data indicate...

1984

Experimental Determination of Smectite Hydration States Under Diagenetic Conditions: ABSTRACT

Virginia A. Colten

AAPG Bulletin

... and temperatures that simulate burial diagenetic conditions, has been determined by X-ray diffraction analysis. A heated high-pressure X-ray cell was used...

1984

Sedimentology of Mudflow Deposits in Mississippi River Delta-Front Environment: ABSTRACT

Harry H. Roberts

AAPG Bulletin

...------------------------------ detailed x-ray radiography (for sediment structure) and x-ray diffraction (for clay mineralogy) analyses evaluated in conjunction...

1984

Geologic and Engineering Parameters Used in Stimulating Tight Gas-Bearing Sandstones by Modified Hydraulic Fracturing Techniques: North Douglas Creek Arch Field, Colorado: ABSTRACT

M. Holland, U. Ahmed, J. Strawn

AAPG Bulletin

... measured at simulated in-situ conditions. Reservoir quality within pay zones was determined by a combination of petrography, x-ray diffraction...

1984

Examination of Lower Jurassic Mudrocks Using Backscattered Electron Microscopy: ABSTRACT

David Krinsley, Kenneth Pye

AAPG Bulletin

...-ray diffraction data (XRD), particularly with respect to the clay-sized (< 2 µm) fraction of mudrocks. Backscattered electron techniques (BSE...

1984

Post-Burn Mineralogic and Trace Element Relationships from an In-Situ Oil Shale Experimental Retort: ABSTRACT

Glenn M. Mason, Robert D. Giauque, Lowell K. Spackman

AAPG Bulletin

... partitioning resulting from a true in-situ burn of Green River oil shale under field conditions. Minerals were examined by x-ray diffraction and optical...

1984

Reservoir Potential of Cretaceous Rocks, National Petroleum Reserve in Alaska: ABSTRACT

Thomas C. Mowatt

AAPG Bulletin

...-ray diffraction, and scanning electron microscope studies of core samples from Cretaceous units in nine wells from the National Petroleum Reserve...

1984

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