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The AAPG/Datapages Combined Publications Database
Showing 6,038 Results. Searched 200,357 documents.
Abstract: Refractory gold ore characteristics from Central Gold Belt Malaysia
In Sopheak, Hashim Hussin, Suhaina Ismail, 'Mayomi Ito
Geological Society of Malaysia (GSM)
... equipped with Energy-dispersive X-ray spectroscopy (SEM/EDX), X-ray diffraction (XRD) and X-ray fluorescence (XRF). Through this analysis, it was found...
2018
Abstract: Effect of grinding additives in dry grinding of mica in planetary mill
Shafinaz Saad, Syed Fuad S. Hashim
Geological Society of Malaysia (GSM)
... Size Analyzer (PSA), X-ray Diffraction (XRD), and Scanning Electron Microscope (SEM). The size reduction and structural change of mica take place...
2018
A Technique for the Magnetic Separation of Silt-sized Sediments: RESEARCH-METHOD PAPER
P.J. Mulhern, G. W. Berger, D. J. Huntley
Journal of Sedimentary Research (SEPM)
... of the separation were obtained in two ways, by thermoluminescence glow curves and by X-ray powder diffraction patterns. We observed a difference...
1981
Introduction: Part 5. Laboratory Methods
AAPG Special Volumes
... diffraction, cathodoluminescence, and X-ray fluoroscopy (Thomas). Laboratory methods for analyzing oil and condensate (Henshaw and Kaufman), water...
1992
Mineralogical Analysis of Suspended Cohesive Sediment Using an Analytical Electron Microscope
Robert Bryant, David J. A. Williams
Journal of Sedimentary Research (SEPM)
.... 129-142. GIBBS, R. J., 1967, Quantitative X-ray diffraction using clay mineral standards extracted from the samples to be analysed: Clay Minerals, v. 7, p...
1982
Paleogeographic Implications of Disconformities in Monterey Formation, California, by J. Scott Hornafius, Ronald J. Echols, and Bernie E. Felber; #91024 (1989)
Search and Discovery.com
1989
Modern Cool-Water Beach Sands of Southwest England: REPLY
John R. Merefield
Journal of Sedimentary Research (SEPM)
... A., 1973, A rapid method for the determination of quartz in sedimentary rocks by X-ray diffraction incorporating mass adsorption correction: Clay...
1985
Automatic Acquisition, Processing, and Interpretation of Geologic Data: ABSTRACT
J. W. Earley
AAPG Bulletin
... operations. The suitably coded IBM cards containing digital diffraction intensities taken at each 1/10 degree of scan are processed in the IBM 704 computer...
1962
Identification of Clinopyroxenes by X-ray Diffraction and Optical Methods: ABSTRACT
Marc G. Tanguay
AAPG Bulletin
...Identification of Clinopyroxenes by X-ray Diffraction and Optical Methods: ABSTRACT Marc G. Tanguay 1964 549 550 48 4. (April) End_Page 549...
1964
Tertiary Sediments from Sigsbee Knolls, Gulf of Mexico: GEOLOGICAL NOTES
William R. Bryant , Thomas E. Pyle
AAPG Bulletin
... of five samples taken immediately after recovery averaged 38 per cent of wet weight. X-ray diffraction analysis of the nodules indicates potassium...
1965
Accumulation of Diatomaceous Silica in Sediments of Gulf of California: ABSTRACT
S. E. Calvert
AAPG Bulletin
... of opal in the sediments, by X-ray diffraction, show that the diatoms contribute the greater proportion of biogenous SiO2 to the sediments. An opal-rich...
1965
Studies of Some Marine Phosphorites from Baja California: ABSTRACT
B. F. d'Anglejan
AAPG Bulletin
... be measured quantitatively by X-ray diffraction down to very low levels. This shows the persistence of a rich zone over 20-30 km. along the coast...
1965
Early Diagenesis and Mass Properties of Siliceous Oozes: ABSTRACT
H. Grant Goodell
AAPG Bulletin
... and an attendant growth of the following authigenic minerals, as identified by X-ray diffraction: K-feldspar (microcline, orthoclase, and anorthoclase); Na...
1966
Clay-Mineral Distribution in Recent Sediments from Northern Pacific Coast of Mexico: ABSTRACT
Jorge de la Torre, Arman F. Frederickson
AAPG Bulletin
... clay mineral was obtained. The known minus 2µ fraction was analyzed in oriented aggregates using X-ray diffraction. Prior to X-ray, the samples were...
1966
Eocene Green River Formation--Multiple Mineral Resource: ABSTRACT
W. C. Culbertson, J. R. Dyni, D. A. Brobst
AAPG Bulletin
... like dawsonite will require advanced research tools such as X-ray diffraction and X-ray fluorescence for rapid quantitative analysis of numerous samples...
1967
Contribution of Computers to Exploration--Management Viewpoint: ABSTRACT
J. Edward Green
AAPG Bulletin
... as aids in the location of prospects. The computer can even be programmed to identify all the mineral content in an X-ray diffraction pattern...
1967
Clay Mineralogy of Kope and Fairview Formations (Cincinnatian) in Cincinnati Area: ABSTRACT
Dennis R. Bassarab, Warren D. Huff
AAPG Bulletin
... of the Cincinnati area. X-ray-diffraction, electron-microscopy, cation-exchange, and DTA studies reveal a suite composed mainly of illite, chlorite...
1968
Mineralogy and Distribution of Clay Sediments in Great Miami River Basin (Ohio-Indiana): ABSTRACT
Warren D. Huff, Joseph W. Breuer
AAPG Bulletin
... drift. These sediments were analyzed by X-ray diffraction for variations in composition and distribution pattern. Dominant clay minerals include...
1968
Lateral Clay-Mineral Variations in Modern Deltaic Sediments of Godavari River, India: ABSTRACT
A. S. Naidu, C. Borreswara Rao
AAPG Bulletin
...-diffraction technique. The results obtained are as follows: with progressive increase in the salinity of the water downstream, there is a corresponding...
1968
Clay-Mineral Diagenesis in Redbed Sequence, Juniata Formation, Central Pennsylvania: ABSTRACT
Allan M. Thompson
AAPG Bulletin
... of this lithofacies have identical sedimentologic histories, X-ray diffraction investigations of sandstone-matrix clay minerals were undertaken to establish possible...
1969
Use of Radiography in Studying Textural and Structural Properties of Ancient Argillaceous Sediments Which Aid in Interpretation of Ancient Environments: ABSTRACT
W. Arthur White, I. Edgar Odom
AAPG Bulletin
... diffraction, electron microscope, petrographic and binocular microscope, chemical and field techniques, can add materially to knowledge of the structures...
1969
Sedimentary Processes in Arctic Ocean: ABSTRACT
Ruth E. Mullen, Dennis A. Darby, David L. Clark
AAPG Bulletin
... diffraction in 50 cores from the Chukchi Rise and Alpha Cordillera consists mainly of illite with almost equal combined amounts of chlorite and kaolinite...
1970
Recent Silica Gel from Saline Lake in Galapagos Islands: ABSTRACT
Paul A. Colinvaux, Daniel Goodman
AAPG Bulletin
... in the spectra to suggest that saccharides were present, but strong absorption between 9 and 10 µ suggested abundant silicon. X-ray diffraction of samples...
1971
Clay Mineral Composition of Beaufort Sea Sediments, Arctic Ocean: ABSTRACT
A. S. Naidu
AAPG Bulletin
... of the less than 2- and 4-µ size fractions of Beaufort Sea sediments was analyzed by X-ray diffraction techniques. In all except one sample illite...
1971
Calcified Algal Filaments in Reefs: Criterion of Early Diagenesis: ABSTRACT
Johannes H. Schroeder, Robert N. Ginsburg
AAPG Bulletin
... are inward-growing equant and bladed crystals. X-ray diffraction analyses indicate that the crystals are magnesium calcite with 16 mol % MgCO3...
1971