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The AAPG/Datapages Combined Publications Database
Showing 2,898 Results. Searched 200,619 documents.
A Selective and Precise Method for Pyrite Determination in Sedimentary Materials: RESEARCH-METHOD PAPER
Charles J. Lord, III
Journal of Sedimentary Research (SEPM)
... is determined by atomic absorption spectrophotometry. This procedure yields higher selectivity and lower detection limits than conventional methods which...
1982
Bituminous and Other Organic Substances in Precambrian of Minnesota
F. M. Swain, A. Blumentals, N. Prokopovich
AAPG Bulletin
... a K40/A40 age of 1.1? × 109 years has been obtained (Goldich et al., 1956), was extracted and an infrared absorption spectrum was run on the extract...
1958
A Method for the Determination of Nitrogen in Clays, with Application to the Burial Diagenesis of Shales: RESEARCH METHOD PAPER
Paul A. Schroeder , Ellery D. Ingall
Journal of Sedimentary Research (SEPM)
... and involves specialized apparatus and many reagents (Bremmer 1965). The technique of IR spectroscopy uses the absorption of the IR-active normal...
1994
Abstract: Remote Classification of Seabed Types Derived from Interferometric Sonar Data, by S. Hadden and C. Green; #90923 (1999)
Search and Discovery.com
1999
What Is the Role of Carbon Dioxide in Climate Change during Earth History? #110057 (2008)
Eric J. Barron
Search and Discovery.com
... of incoming solar energy, (2) changes in the composition of the Earth’s atmosphere influencing energy absorption or reflection, and (3) changes in the Earth...
2008
Log Resistivity Measuring Devices Compared to S-waves from a Vertical-Force Source, #41377 (2014)
John M. Robinson
Search and Discovery.com
... impedance will be greater vertically (with more dispersion and absorption of frequency) than its companion SH wavefield. This will result in the SV...
2014
An Optimum Sample Preparation Method for Multi-element Analysis in Crude or Fuel Oils with ICP-OES and QQQ-ICP-MS by Mineralization Utilizing a Single-Reaction-Chamber Microwave System, #42142 (2017).
Weihang Yang, John F. Casey, Yongjun Gao
Search and Discovery.com
..., A., and N. Torto, 2006, Determination of Selected Metals in Niger Delta Oils by Graphite Furnace Atomic Absorption Spectrometry: Analytical Letters, v...
2017
Preliminary studies on mercury solubility in the presence of iron oxide phases using static headspace analysis
Dibyendu Sarkar
Environmental Geosciences (DEG)
... and expensive, but conventional, United States Environmental Protection Agency-approved atomic absorption method. Mercury solubility decreased in the presence...
2003
SULFUR AND TRACE ELEMENTS IN THE ROSEBUD AND McKAY COAL SEAMS, COLSTRIP FIELD, MONTANA
ROBERT A. CHADWICK, ROGER C. RICE, CATHERYN M. BENNETT, RAY A. WOODRIFF
Montana Geological Society
.... A., Stone, R. W., and Held, A. M., 1968: Electrothermal atomization for atomic absorption analysis: Appl Spectroscopy, v. 22, No. 5, pt...
1975
Application of Onsite Prime Power Cogeneration in the Pacific Basin
James R. Clements
Circum Pacific Council Publications
... then be used in conjunction with hot-water-fired absorption chillers to provide chilled water for process cooling or air conditioning. Other...
1982
The Climate System - A Brief Primer
Eric J. Barron, George T. Moore
Special Publications of SEPM
... can be altered by energy which is at discrete frequencies. For example, water vapor has strong absorption at 12 microns and larger. These bands...
1994
From Arrhenius to CO2 Storage: Part IX: How CO2 Emits IR Photons
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... absorption band of importance in this range, at around 15 μm (667 cm−1). This band almost coincides with the spectral maximum of terrestrial radiation...
2020
Conditions and Time of Formation of Pools of the Aleksandrov Zone of Oil-Gas Accumulation of East Kuban
T. A. Botneva, G. A. Aleksin
Petroleum Geology: A Digest of Russian Literature
... of the Goryachoye Klyuch formation, absorption in the infrared area (5.8 μ) is absent; this indicates the absence of oxygen-bearing functional groups...
1965
Science-Based Land-Use Planning Tools to Help Protect Ground-Water Quality, Sanpete Valley, Sanpete County, Utah
Janae Wallace, Mike Lowe, Charles E. Bishop
Utah Geological Association
... of the San Pitch River, between the primary recharge areas and discharge areas. Septic tank soil-absorption systems are the primary means...
2007
Hyperspectral imaging of sedimentary iron ores beyond borders
Lionel C. Fonteneau, Brigette Martini, Don Elsenheimer
Petroleum Exploration Society of Australia (PESA)
... necessitates a different ore processing scheme with the production of lumps and fines. By combining crystal field absorption features of the different iron...
2019
Stages of Glauconite Formation in Modern Foraminiferal Sediments
Arthur J. Ehlmann, Neil C. Hulings, Everett D. Glover
Journal of Sedimentary Research (SEPM)
... on the films, the kaolinite (002) is also present. Infrared absorption analysis.--Figure 7 shows infrared absorption spectra of the samples HP-1, HP-2...
1963
Identification of Hydrocarbon Seeps by Hyperspectral Remote Sensing
W. S. Duncan, Ronald W. Capps
GCAGS Transactions
... absorption spectroscopy of gases: Journal of Near Infrared Spectroscopy v.2, p. 119-125. RSI, 1998, Environment for Visualizing Images (ENVI): Research...
2000
The Lateral Distribution of Clay Minerals in Lakes Pontchartrain and Maurepas, Louisiana
Robert A. Brooks, Ray E. Ferrell, Jr.
Journal of Sedimentary Research (SEPM)
... of other clay material. ANGINO, E. E, AND BILLINGS, G.K., 1967, Atomic absorption spectrometry in geology: Elsevier, New York, 144 p. BILLINGS, G.K., 1965...
1970
Distribution of Manganese, Iron and Other Trace Elements in a Core from the Northwest Atlantic (2)
Sunit Kumar Addy, B. J. Presley, Maurice Ewing
Journal of Sedimentary Research (SEPM)
..., R., B. PRESLEY, AND I. KAPLAN, 1967, APDC-MIBK extraction system for the determination of trace metals in saline waters by atomic absorption...
1976
Geochemical Investigation of Crude Oils
Lawrence C. Bonham
AAPG Bulletin
... of absorption spectrometry. A special spectrographic technique was developed for the analysis of metals in oils. The crude oils, with added cobalt...
1956
Understanding the Seismic Wavelet; Steven G. Henry; Search and Discovery Article #40028 (2001)
Search and Discovery.com
2001
Tracer Eluting Proppants for Shale Fracturing
Bochao Zhao, Krishna Panthi, Kishore K. Mohanty
Unconventional Resources Technology Conference (URTEC)
... as a function of time. Rhodamine 6G has a significant absorption peak around 530 nm. Based on the absorption value, URTeC 478 4 rhodamine concentration can...
2019
Petrographic Features of Sandstones that Affect Their Suitability for Road Material
Robert J. Yedlosky, John R. Dean
Journal of Sedimentary Research (SEPM)
.... This empirical test consists of deducing the absorption rate of a sandstone by measuring the diameter of an expanded drop of alcohol on a surface...
1961
Energy Conservation: The Recovery and Use of Associated Gas
Arthur Makris
Indonesian Petroleum Association
.... Physical Absorption Process such as Sulfinol, Selexol, and Propylene Carbonate are used for special design considerations where inlet conditions...
1981
Hydrogeology of Western Wasatch County, Utah, with Emphasis on Recharge-Area Mapping for the Principal Valley-Fill Aquifers in Heber and Round Valleys
Mike Lowe
Utah Geological Association
... serve only a portion of western Wasatch County in the vicinity of Heber City. Elsewhere, septic-tank soil-absorption systems are the primary method...
1995