Maastrichtian atmospheric pCO2 and climatic reconstruction from carbonate paleosols of the Marília Formation (southeastern Brazil)

Maurícius Nascimento Menezes, Patrick Führ Dal' Bó, Jon J. Smith, Amanda Goulart Rodrigues, Álvaro Rodríguez-Berriguete

Journal of Sedimentary Research (SEPM)

.... (1985). The mineralogy of calcic and argillic horizons were determined by X-ray diffraction (XRD), for four whole samples of the Avencas pedotype...

A Multidisciplinary Analysis of Belly River-Brazeau (Campanian) Fluvial Channel Reservoirs in West-Central Alberta, Canada

Peter E. Putnam

CSPG Bulletin

... structures. Samples were subsequently selected for study via thin section microscopy (136 samples), x-ray diffraction (5 samples) and scanning electron...

The Use of Ground-Penetrating Radar for Characterizing Sediments Under Transient Flow Conditions

Michael B. Kowalsky, Yoram Rubin, Peter Dietrich

Special Publications of SEPM

... a total of 96 simulations for each survey. 2-D diffraction migrations (with a lateral summation width of 3.5 meters) were performed on the simulated...

Shale Gas Potential in Indonesia … MoreŽ to the East

Dewi Rahmalia

Indonesian Petroleum Association

... is to encourage shale gas development in Indonesia. The author used a desktop study and an X-ray diffraction study as input for this paper. From Sumatra...

Potensi ekonomi tanah ultrabes di sekitar Ranau, Sabah (IN MALAY), The economic potential of ultrabasic soils in the vicinity of Ranau, Sabah

Osama Twaiq, Hamzah Mohamad, Mohamad Md Tan, Anizan Isahak, Baba Musta, Mohd Rozi Umar

Geological Society of Malaysia (GSM)

... diffraction study confirms the occurrence of goethite as the major constituent, with occurrence of lesser amounts of gibbsite, kaolinite and rutile...

Exploring naturally fractured reservoirs: A case study

Anand Prakash, Manayer Al-Abdullah, Abu Ghneej Ali Faleh Naser, Al-Otaibi Talal Mutlaq Mohammed, Bhaskar Chakrabarti, Rinaldi Mulyono, Vishnu Chilumuri, Al-Meshilah Thuwaini, Talal F. Al-Adwani, Amar Nada Mohamad Amar, Al-Otaibi Ahmad Homoud

International Meeting for Applied Geoscience and Energy (IMAGE)

... the outputs of the diffraction image, the formation anisotropy and the rock brittleness studies. Methodology The fractures can be characterized...

Structure of Albertite from New Brunswick, Canada

Ganjavar Khavari-Khorasani

CSPG Bulletin

...Structure of Albertite from New Brunswick, Canada Ganjavar Khavari-Khorasani 1983 123 126 Vol. 31 (1983) No. 2. (June) Optical and X-ray diffraction...

A Quantitative Separation of Non-Carbonate Minerals from Carbonate Minerals

John Ellingboe, James Wilson

Journal of Sedimentary Research (SEPM)

... for this work. Hectorite was noted to be the clay most susceptible to attack by acids. X-ray diffraction patterns were obtained on the samples before...

X-ray Identification of Clay Materials in Thin Sections: METHOD PAPER

M. J. Wilson, D. R. Clark

Journal of Sedimentary Research (SEPM)

... which allows X-ray powder diffraction information to be obtained directly from small areas of clay minerals and other fine-grained material...

Seismic Recognition of Salt Diapirs: GEOLOGIC NOTES

Hans H. Lohmann

AAPG Bulletin

... based on a combination of features such as shape, virtual absence of reflections from the interior, lateral-diffraction patterns, characteristic salt...

Stochastic acquisition systems in time-dependent scattering seismic approach

Gennady Erokhin, Maria Erokhina, Alexandre Iakovlev, Kirill Safran

International Meeting for Applied Geoscience and Energy (IMAGE)

... the diffraction component of the wave field, particularly pertinent to identifying unconventional fractured-cavernous reservoirs of oil and gas. To address...

Chlorites In Reservoir Sandstones of the Guadalupian Delaware Mountain Group

Suzette D. Walling, Phillip D. Hays, Thomas T. Tieh

West Texas Geological Society

... from 3835′ to 6460′ (1176-1970 meters), were prepared and studied using optical and electron microscopy and x-ray diffraction methods to determine...

Boron Mineralization in the Louann Salt and Norphlet Shale Clarke County, Alabama

Wm. B. Simmons

GCAGS Transactions

... by x-ray diffraction, scanning electron microscopy, and energy dispersive x-ray spectrometry (EDS) analyses on the electron microprobe. Boron-Free...

Clay Mineral Investigations of Cretaceous and Quaternary Deep Sea Sediments of the North American Basin

Marian B. Jacobs

Journal of Sedimentary Research (SEPM)

... estimations of clay minerals by diffraction methods: Jour. Sedimentary Petrology, v. 24, p. 242-251. MASON, B., AND SAND, L. B., 1960, Clinoptilolite from...

Computer Simulation Models of a Hooked Beach Shoreline Configuration

C. Cary Rea , Paul D. Komar

Journal of Sedimentary Research (SEPM)

... is actually only an artifact of the deformable grid modeling technique that he used. His model became unstable when wave diffraction was included...

Significance of Applied Mineralogy to Oil Shale in the Upper Part the Parachute Creek Member of the Green River Formation, Picenace Creek Basin, Colorado

George A. Desborough, Janet K. Pitman

Rocky Mountain Association of Geologists

... are important for extractive operations. MINERAL PHASES X-ray diffraction, microprobe analysis, and bulk chemical analysis were used to study 8 core...

Differential Surface Weathering of Bighorn Dolomite

Clayton H. Johnson, Donald L. Biggs

Journal of Sedimentary Research (SEPM)

...-ray powder diffraction analyses of the rock and of the insoluble residues of some samples. The topographic expression of the Bighorn dolomite, its...

A Method for Permanent Mounting of Powder Samples For X-ray Diffraction Analyses

William E. Miller, Walter E. Hill, Jr.

Journal of Sedimentary Research (SEPM)

...A Method for Permanent Mounting of Powder Samples For X-ray Diffraction Analyses William E. Miller, Walter E. Hill, Jr. 1964 Vol. 34 No. 4. (December...

Calcite-Dolomite Ratios VS. Insoluble Content in the Lockport Formation (Niagaran) in New York State: NOTES

Donald H. Zenger

Journal of Sedimentary Research (SEPM)

... a lack of correlation between insoluble content and calcite-dolomite ratios, as determined by X-ray diffraction. This result is in contrast...

Changes in Clay Mineral Assemblages by Sampler Type

Frederic R. Siegel, J. W. Pierce

Journal of Sedimentary Research (SEPM)

.... 699-700. GIBBS, R. E., 1965, Error due to segregation in quantitative clay mineral X-ray diffraction mounting techniques: Amer. Mineralogist, v. 50...

Protodolomite Redefined

Alan M. Gaines

Journal of Sedimentary Research (SEPM)

...-order as evidenced by the unambiguous presence of order reflections in diffraction patterns. Protodolomite appears to be an intermediate phase...

An Improved Suction Apparatus for Plating Clay Specimens onto Ceramic Tiles: RESEARCH METHOD PAPER

F. E. Rhoton , E. H. Grissinger , J. M. Bigham

Journal of Sedimentary Research (SEPM)

... to segregation in quantitative clay mineral X-ray diffraction mounting techniques: American Mineralogist, v. 50, p. 741-751. KINTER, E.B., AND DIAMOND...

Seismic Modelling in 3D for Migration Testing

Search and Discovery.com

... is to be modelled. According to Ersoy (2007), Rayleigh and Sommerfeld proposed two theories of diffraction that are competitive with Kirchhoff theory...

Lithofacies and Semi-Quantitative Analysis by XRD/SEM for Evaluating the Impact of Mineralogy on Reservoir Quality of Organic Shale in Cambay Basin; #11083 (2018)

P.T. Prathimon, Swati Sharma, Amrita Roy, Jagmohan Singh

Search and Discovery.com

... samples, as determined from thin section and qualitative X-Ray Diffraction analyses comprise quartz, feldspar (plagioclase and K-feldspar), clay minerals...

Petrology of Tertiary Bentonites of Texas

Herman E. Roberson

Journal of Sedimentary Research (SEPM)

...Petrology of Tertiary Bentonites of Texas Herman E. Roberson 1964 Vol. 34 No. 2. (June), On the basis of X-ray diffraction analyses and thin-section...