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The AAPG/Datapages Combined Publications Database

Showing 2,898 Results. Searched 200,616 documents.

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Frequency vs Azimuth (FVAZ): the Younger Member of the Family of Seismic Driven Fracture Characterization Methods

Juan Tavella, Victoria Lazzari, Marcelo Frydman, Néstor Herrera

Unconventional Resources Technology Conference (URTEC)

... response due to natural fractures appealed geophysicists: fractures also affect absorption: a propagation perpendicular to fracture suffers higher...

2023

Ecological Changes in a Massive Fresh-Water Clay Sequence

J. M. Coleman

GCAGS Transactions

... being examined, cause differential absorption and transmission of the X-rays and result in differential exposure of the film. Film type, intensity...

1966

Diagnostic Characteristics of Disseminated Bitumens from Infrared Spectroscopy

G. I. Timofeyev, I. N. Sidorov

Petroleum Geology: A Digest of Russian Literature

... by infrared spectrometry: Tr. VNIGNI, no. 97. 3. Proskuryakova, Ye. B., 1959, Investigation of infrared absorption spectra of fractions of bitumens...

1973

Composition of Various Types of Bitumens in Sedimentary Rocks Based on Infrared Spectroscopy

L. F. Kolotova

Petroleum Geology: A Digest of Russian Literature

... definite spectral characteristics: two types of humus bitumen and three types of sapropel bitumen. Fig. 1 shows the characteristic types of absorption...

1974

Clay Minerals in the Gypsum Spring and Lower Sundance Formations, Eastern Big Horn Mountains1

Robert B. Furlong

Earth Science Bulletin (WGA)

... is similar to that of illite but with the addition of a brucite layer. Keller (1956) suggests that chlorite may form through the absorption of Mg+2...

1968

Geologic Map and Coloration Facies of the Jurassic Navajo Sandstone, Snow Canyon State Park and Areas of the Red Cliffs Desert Reserve, Washington County, Utah (OFR-561) 2010

Gregory B. Nielsen, Marjorie A. Chan

Utah Geological Survey

... absorption near 0.9 μm is indicative of iron oxide. The absorption band at 2.2 μm is typical of clay minerals with the doublet indicating the mineral...

2010

The Role of Microbial Activity In the Generation of Lower Cretaceous Mixed FE-Oxide–phosphate Ooids from the Provençal Domain, French Maritime Alps

Luca Barale, Anna D'atri, Luca Martire

Journal of Sedimentary Research (SEPM)

...) was used in order to minimize the light absorption by Fe-oxides and better distinguish ooid internal structures. Cathodoluminescence observations were...

2013

ARCHEAN AND PROTEROZOIC GRANTOIDS OF THE HAWLEY MOUNTAIN AREA, BEARTOOTH MOUNTAINS, MONTANA

W. Bruce Lafrenz, Robert D. Shuster, Paul A. Mueller, Donald R. Bowes

Montana Geological Society

..., CM., 1970. Scheme of silicate analysis based on the lithium metaborate fusion followed by atomic-absorption spectrophotometry...

1986

Distinct depositional environments of two internal reference materials with marine sediment matrix from nearby Bangka Island

Ronaldo Irzon, Kurnia, Agus Didit Haryanto, Sigit Maryanto, Undang Hernawan

Geological Society of Malaysia (GSM)

... might be reflected from the enrichment or loss of Ce ions. Positive Ce anomaly is associated with manganese precipitation and hydrolyzation (El-Taher...

2022

Coral Pinnacle Sedimentation, Alacran Reef Lagoon, Mexico

Charles M. Hoskin

Journal of Sedimentary Research (SEPM)

... was made using a Perkin-Elmer atomic absorption spectrometer, model 290. It was found that windward shelf muds (high magnesium) could be confidently...

1966

Fabric and Chemistry of Pore Filling Calcite in Septarian Veins: Models for Limestone Cementation

R. C. Lindholm

Journal of Sedimentary Research (SEPM)

... (dark, white and transparent), chemical analyses (Perkin Elmer Atomic Absorption Spectrophotometer 303) were run on each zone, providing sufficient...

1974

Interpretation of the Origin and Diagenesis of Pleistocene Chalk, Eniwetok Atoll, Marshall Islands

Patricia E. Videtich , Edward L. Tremba

Journal of Sedimentary Research (SEPM)

... this method. Of this 3%, about 10% of the weight loss was due to water, 50% to soluble salts, and 40% was sediment lost in handling during the size...

1978

Dissolution and Analysis of Amorphous Silica in Marine Sediments

Donald W. Eggimann, Frank T. Manheim, Peter R. Betzer

Journal of Sedimentary Research (SEPM)

... concentration of SiO2 in % dry weight in the silicic acid was determined alternatively by ignition loss at 1000° C (FOOTNOTE 3) (84.3), and by HF...

1980

Modes of Diagenesis Responsible for Observed Succession of Potash Evaporites in the Salado Formation, Delaware Basin, New Mexico

Donald G. Harville , Steven J. Fritz

Journal of Sedimentary Research (SEPM)

... for decomposition and comprehensive analysis of silicate rocks by atomic absorption spectrometry: Analytical Chem., v. 40, p. 1682-1686. BODINE, M. W...

1986

Clay Minerals in Evaporite Host Rocks, Palo Duro Basin, Texas Panhandle

R. Stephen Fisher

Journal of Sedimentary Research (SEPM)

.... This is justified for small particles because absorption and fluorescence effects are much less than for bulk specimens, and standards are similar to the samples...

1988

Evidence on History of Sea Water from Chemistry of Deeper Subsurface Waters of Ancient Basins

Keith E. Chave

AAPG Bulletin

... basins, such as the Illinois basin and the California basins, it is not possible. Mechanisms which involve ionic absorption on clay or ionic filtering...

1960

Stylolitization as Source of Cement in Mississippian Salem Limestone, West-Central Indiana (1)

ELIZABETH A. FINKEL and BRUCE H. WILKINSON

AAPG Bulletin

... of carbonate for cementation of immediately contiguous or more outlying units. In addition to porosity loss from localized cementation, permeability...

1990

Environmental Impact Analysis on the Hydraulic Fracture Test Site (HFTS)

Sarah Eisenlord, Thomas Hayes, Kent Perry

Unconventional Resources Technology Conference (URTEC)

... and treated sorbent tube for visible absorption spectrophotometry. Sampling occurred at four time-points for 72 consecutive hours. Time points are (1...

2018

Selected Annotated Bibliography on Oil-Field Waters: RESEARCH NOTES

L. C. Case , E. T. Heck , R. H. Fash , H. E. Minor , J. G. Crawford , F. W. Jessen , Margaret D. Foster , R. L. Ginter

AAPG Bulletin

.... 1283-1306; 4 tables, 22 references. The calcium chloride waters commonly occurring with oil are explained as the result of absorption of water, magnesia...

1942

Differences in the 18O and 13C Signatures of Seasonal Laminae Comprising Travertine Stromatolites

Henry S. Chafetz, Nancy M. Utech, Sean P. Fitzmaurice

Journal of Sedimentary Research (SEPM)

... prepared using standard procedures described in Skougstad et al. (1979) and analyzed using a Perkin-Elmer Model 5000 atomic absorption spectrophotometer...

1991

Hydrologic Framework of A Sabkha Along Arabian Gulf

R. J. Patterson , D. J. J. Kinsman

AAPG Bulletin

... and beneath the lagoon. Chloride concentrations were determined by titration with AgNO3, and Ca and Mg were measured by atomic absorption using a Perkin...

1981

Nuclear magnetic resonance and x-ray microtomography pore-scale analysis of oil recovery in mixed-porosity carbonates

Hubert King, Michael Sansone, John Dunsmuir, Nicole Callen, Pavel Kortunov, Ye Xu, Antonio Buono, Bo Gao, and James Kralik

AAPG Bulletin

... ambient conditions. The sample was encapsulated in a Teflon wrap to ensure no fluid loss during measurement, verified by measuring sample mass before...

2020

FRONTMATTER: The Oil Fields of Russia

Arthur Beeby Thompson

Other Technical

... from the direct pecuniary loss sustained by producers, the lives of leading producers have been in constant danger, and many leading employers...

1908

Effects of Salinization Pathways upon Morphogenic and Geochemical Features of Coastal-Margin Vertisols, Aransas National Wildlife Refuge, Aransas County, Texas

Sarah J. Kogler, Steven G. Driese

GCAGS Journal

... toxicity; reduces nutrient cycling; clay dispersion, loss of Parent rock weathering, SI, saline-brackish GW, wet and dry deposition of marine-derived...

2023

Hobbs Field, Lea County, New Mexico

Ronald K. DeFord , Edwin A. Wahlstrom

AAPG Bulletin

... of cavernous openings on the crest of the structure is fairly convincing. 1. Loss of returns is evidence of cavernous condition. In drilling ordinary...

1932

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