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The AAPG/Datapages Combined Publications Database

Showing 6,052 Results. Searched 200,639 documents.

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Abstract: The Occurrence, Genesis and Characteristics of Primary Kaolinitic Clay Occurrence at Km 12-13, Bukit Lampas, Spg. Pulaipos Slim, Ipoh

Kamar Shah Ariffin, Haryati Abdul Rahman, Hashim Husin, Kahirul Anwar Abdul Hadi

Geological Society of Malaysia (GSM)

... diffraction (XRD), Differential Thermal Analysis (DTA), Thermo gravimetric analysis (TGA), Scanning Electron Microscope (SEM), Fourier Transform Infra...

2006

The Occurrence of Glauconite in Monterey Bay, California, Diversity, Origins, and Sedimentary Environmental Significance

James R. Hein , Alan O. Allwardt, Gary B. Griggs

Journal of Sedimentary Research (SEPM)

... morphologies and cleavage studied from scanning electron photomicrographs and X-ray diffraction data sug est several parent materials, even within a single...

1974

Abstract: Separation of Seismic Diffractions and Specular Reflections: A Tool for Improved Processing, Imaging and Interpretation (Geophysics Poster 21)

Riaz Alai, M Hafizal Mad Zahir, Amar Ghaziah, Eric Verschuur

Geological Society of Malaysia (GSM)

... and conventional seismic data processing is applied on the total recorded data. On the other hand, the diffraction energy can be instrumental in fault and fractures...

2011

Identification of Mineral Particles in Fine Grained Lacustrine Sediments with Transmission Electron Microscope and X-Ray Energy Dispersive Spectroscopy

A. Mudroch , A. J. Zeman, R. Sandilands

Journal of Sedimentary Research (SEPM)

... by atomic absorption spectroscopy or colorimetry. Mineralogical composition of sediments is commonly studied by X-ray diffraction, differential thermal...

1977

Micropetrographic Applications to the Study of Sedimentary Rocks: Some Gulf Coast Examples

Robert M. Reed, Robert G. Loucks, and Priyanka Periwal

GCAGS Transactions

...–ray diffraction (XRD) analyses can give the mineral modes of rock samples. These analyses can be useful in identifying changes in mineralogy either...

2025

An Explanation of the Logarithmic Spiral Plan Shape of Headland-Bay Beaches

Paul H. Leblond

Journal of Sedimentary Research (SEPM)

... of such beaches. Basic ideas on longshore currents and wave refraction and diffraction are cast into simple analytical expressions and combined with an empirical...

1979

Abstract: Malay Basin Upper Pliocene shallow, low pressure gas potential: Its implication towards onshore Peninsular Malaysia deltas hydrocarbon prospectivity

Md Yazid Mansor, Nur Hazira Hamsan

Geological Society of Malaysia (GSM)

... resolution of these major fields. Some fields 3D data still suffered wipe-out effects from shallow gas diffraction across the structural crest...

2018

Abstract: Early Avalonian arc paleogeography: preliminary paleomagnetism and 40Ar/39Ar geochronology of Neoproterozoic units, Burin Peninsula, Newfoundland, Canada

P.J.A. McCausland, J.B. Murphy, S.A. Pisarevsky, C.M. Hall, R.L. Flemming, S.J. O’Brien

Atlantic Geology

... diffraction. Two hornblende separates provide precise step fusion 40Ar/39Ar plateau ages of 608.1 ± 1.7 and 605.4 ± 1.2 Ma, indicating that the Burin dykes...

2019

ABSTRACT: Preservational attributes and mineralogy of Youngest Toba Tuff ash, Padang Terap, and Lenggong valley, Peninsular Malaysia

Ajab Singh, Ros Fatihah Muhammmad, Iskandar Taib

Geological Society of Malaysia (GSM)

... analysis and laser diffraction technique, revealing higher percentages of fine-grained fractions, indicate calm water conditions during their deposition...

2021

Clay Mineralogy of Morrison Formation, Black Hills Area, Wyoming and South Dakota

Ronald Warren Tank

AAPG Bulletin

... stratigraphic sections of the Morrison formation were examined, measured, and sampled, in detail. The clay minerals were identified by the X-ray diffraction...

1956

On the Formation and Occurrence of Saddle Dolomite: DISCUSSION

Jay M. Gregg

Journal of Sedimentary Research (SEPM)

... diffraction patterns indicated poor ordering and nonstoichiometry (45% MgCO3). This stoichiometry was confirmed with electron microprobe, which also...

1983

Smectite-to-Illite Reactions in Salton Sea Shales: A Transmission and Analytical Electron Microscopy Study

Yu-Chyi Yau, Donald R. Peacor, S. Douglas McDowell

Journal of Sedimentary Research (SEPM)

... microscope and X-ray diffraction studies of filamentous illitic clay from sandstones of the Magnus Field: Clays Clay Minerals, v. 17, p. 23-39. MUFFLER, L. P...

1987

Cherts with Moganite in Continental Mg-Clay Deposits: An Example of False Magadi-Type Cherts, Madrid Basin, Spain

M.A. Bustillo

Journal of Sedimentary Research (SEPM)

..., mineralogical, and petrological characteristics that are very different from the other silcretes of the Madrid basin. As revealed by X-ray diffraction...

2001

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