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The AAPG/Datapages Combined Publications Database

Showing 5,805 Results. Searched 195,354 documents.

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Determination of Montmorillonite in Small Samples and Implications for Suspended-matter Studies

Brian E. Tucholke

Journal of Sedimentary Research (SEPM)

... samples from the deep ocea , where samples with a total weight of only a few milligrams are normally recovered. X-ray diffraction analysis of such small...

1974

Preparation of Oriented Clay Mineral Aggregates from Oil-Saturated Sandstones: NOTES

Walter E. Parham, Richard F. Mast

Journal of Sedimentary Research (SEPM)

.... The resolution of the various clay mineral diffraction peaks from the three natural oil-bearing sandstones is shown in figure 2. The Chubutiano Sandstone...

1963

Variation in Clay Mineral X-Ray Diffraction Results with the Quantity of Sample Mounted

Per R. Stokke , Bobb Carson

Journal of Sedimentary Research (SEPM)

... diffraction patterns from sample A, pipette on glass slide technique, with decreasing concentration of clay on the slide surface. End_Page 961...

1973

ABSTRACT: QUANTITATIVE X-RAY POWDER DIFFRACTION ANALYSIS OF MINERALS IN GUIZHOU PROVINCE COALS USING RIETVELD METHODS

Dangyu Song, Junying Zhang, Chuguang Zheng

The Society for Organic Petrology (TSOP)

... percentages obtained by XRF analysis of the LTA from the same coal samples. Key words: Mineral matter; Quantification; X-ray diffraction; Rietveld; XRF...

2006

I. Relation of Structural Section to Seismic Section

Robert E. Sheriff

AAPG Special Volumes

...: for velocity = 2 km/s and frequency = 50 Hz, the wavelength = 40 m. (From Sheriff, 1980a.) End_Page 10------------------------- diffraction. The diffraction...

1981

Electron Micrography of Till Matrix

John B. Droste, George W. White, Albert E. Vatter

Journal of Sedimentary Research (SEPM)

... of the illite-chlorite ratio. Determination of variation in chlorite-illite content with grain size from electron diffraction data may be possible...

1958

Authigenic Illites in Sandstone Reservoirs: ABSTRACT

Necip Guven, Wayne F. Hower, David K. Davies

AAPG Bulletin

... been found in pores of many sandstones which are known to be hydrocarbon reservoirs. Typical samples are from the Norphlet Formation in southern...

1979

New Method in X-Ray Quantitative Mineralogical Determination of Sedimentary Rocks: ABSTRACT

J. H. Fang, Levy Zevin

AAPG Bulletin

... is diametrically different from the classical internal method of Klug and Alexander, which requires the similarity (in chemical composition, crystallinity...

1984

A Comparison of Two Methods of Quantitative Mineralogical Analysis of Sedimentary Rocks: NOTES

M. J. Kaye , A. C. Dunham , D. M. Hirst

Journal of Sedimentary Research (SEPM)

... diffraction. The technique suffers from the limited use of the chemical data obtained; it is no longer possible to correlate mineralogy and major...

1968

Quantitative Estimations of Clay Minerals by Diffraction Methods

W. D. Johns, R. E. Grim, W. F. Bradley

Journal of Sedimentary Research (SEPM)

... with glycol, and after heating to 450°C. Diffraction data are also registered on films, using powders and oriented aggregates cut from the slides. Occasionally...

1954

ABSTRACT: Study on mineral transformation and PM formation mechanism during high-silicon coal combustion

Yongchun Zhao, Wenju Li, Yang Yan, Junying Zhang, Chuguang Zheng

The Society for Organic Petrology (TSOP)

... and microstructure of several typical high silicon coals and fly ashes from different power plants in Xuanwei area (high incidence of lung cancer) were...

2012

Sandstone Diagenesis in Exploration and Production

William R. Almon

Bulletin of South Texas Geological Society

...-ray diffraction analysis of bulk samples for 75 sandstone samples from one formation. Table 5. Average values for X-ray Diffraction analysis of less...

1978

SEM, XRD, CL, and XF Methods: Part 5. Laboratory Methods

J. B. Thomas

AAPG Special Volumes

... are then determined by measuring peak intensity or half area for the diffraction peaks of the major three to five diffraction peaks of each mineral (Figure 3...

1992

ABSTRACT: ROSE RUN PAY ZONE PETROLOGY*

Richard L. Stollar, Columbia Natural Resources, Charleston, West Virginia

Ohio Geological Society

... taken from full-diameter core and sidewall cores of the Rose Run sandstone from wells located in the producing fairway of east-central...

1994

Application of Seismic Multiattribute Analysis for Carbonate Buried Hill Reservoir Characterization

Xuetong Liu, Tongxing Xia, Jiyan Cai, Min Gong

International Meeting for Applied Geoscience and Energy (IMAGE)

... superposition or migration are different from those of reflection waves, and based on this, the separation of diffraction wave can be achieved...

2023

ABSTRACT: Permeability Development in Ordovician and Mississippian Dolomites, Wyoming and Montana

RUTH G. DEIKE

Montana Geological Society

... studies were made of selected cored intervals from two U.S. Geological Survey test holes; one in Sec. 15, T. 57 N., R. 65 W., Crook County...

1978

Ordovician Bentonites From Ontario [Abstract]

J. B. B. Orr

CSPG Bulletin

...Ordovician Bentonites From Ontario [Abstract] J. B. B. Orr 1964 922 922 Vol. 12 (1964) No. 4. (December) Five samples of Ontario Ordovician bentonite...

1964

Paleomagnetic Study of Upper Triassic Carbonate Rocks from Northwestern Sicily: ABSTRACT

Dawne M. Thibodeau

AAPG Bulletin

...Paleomagnetic Study of Upper Triassic Carbonate Rocks from Northwestern Sicily: ABSTRACT Dawne M. Thibodeau 1981 1016 1016 65 5. (May) Forty-two...

1981

Abstract: X-ray Diffraction Study of the Mineralogy of Microinclusions in Fibrous Diamond; #90172 (2014)

Evan M. Smith, Maya G. Kopylova, Leonid S. Dubrovinsky

Search and Discovery.com

...Abstract: X-ray Diffraction Study of the Mineralogy of Microinclusions in Fibrous Diamond; #90172 (2014) Evan M. Smith, Maya G. Kopylova, Leonid...

2014

ABSTRACT: Characterization of Graphite-Like Particles from Carbonized Anthracites

Sandra Rodrigues, Isabel Suarez-Ruiz, Manuela Marques, Ignacio Camean, Ana B. García

The Society for Organic Petrology (TSOP)

...ABSTRACT: Characterization of Graphite-Like Particles from Carbonized Anthracites Sandra Rodrigues, Isabel Suarez-Ruiz, Manuela Marques, Ignacio...

2009

The Determination of the Rutile Content of Beach Sands from Moana, South Australia, Using the Frantz Isodynamic Separator: NOTES

David S. Buist

Journal of Sedimentary Research (SEPM)

...The Determination of the Rutile Content of Beach Sands from Moana, South Australia, Using the Frantz Isodynamic Separator: NOTES David S. Buist 1963...

1963

Diapirs of Magdalena Delta: DISCUSSION

M. M. Ball

AAPG Bulletin

.... Fig. 1 shows how a recording boat crossing a strong reflector of small area gives rise to a diffraction curve by plotting successi e arrivals from...

1969

Clay Minerals of Laramie Formation, Golden, Colorado, Identified by X-ray Diffraction

Arthur James Gude, rd

AAPG Bulletin

... used to identify the mixed patterns from the Laramie shales and argillaceous sandstones. Fig. 3. X-ray diffraction powder pattern cones. End_Page...

1950

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