Abstract: Investigating Physical Mechanisms of Seismic Anelasticity; #90174 (2014)

T. Coulman and Igor Morozov

Search and Discovery.com

... based on Lagrangian mechanics and thermodynamics. To illustrate the model, we use recent stress/strain phase-lag data for Plexiglas. The absorption peak...

Abstracts: On the Extraction of Seismic AVF Information and the Inversion of Anelastic Reflectivity; #90173 (2015)

Chris Bird, Kristopher Innanen, Laurence Lines

Search and Discovery.com

... reflection coefficients by comparing with the analytic reflection coefficient. Introduction Absorption is the progressive decay of the highest frequencies...

Abstracts: Bright Lights and Dinosaurs: Trace Metal Mapping and Synchrotron-based Imaging of Confuciusornis; #90210 (2015)

Phillip Manning

Search and Discovery.com

... biological structures in a range of extinct and extant organisms, most notably in feathers of Confuciusornis. Additionally, x-ray absorption spectroscopy...

Abstract: The Onshore Blue Nile Basin, Ethiopia: De-Risking Exploration in Volcanically-Affected Basins; #90310 (2017)

Simon Passey, Dereje Ayalew

Search and Discovery.com

... however, by the absorption and scattering of acoustic signals by the lava flows. Even if the sub- and intra-volcanic sequences are imaged...

Abstract: Research and Application of Plugging Drilling Fluid with Low-Activity and High Inhibition Properties; #130000 (2018)

Lei Yu, Jinghui Zhang, Gongrang Li, Huaizhen Zhao, Tianke Liu

Search and Discovery.com

... and high inhibition properties could effectively alleviate water absorption expansion and hydration dispersion of oil-bearing mudstone and shale to plug...

Abstract: Assessing Fault Seal Behavior Using Fluid Flow Indicators from Infrared Spectral Measurements of Clay Gouge in the Moab Fault, Utah;

Paula Fleischmann, Tom Brikowski

Search and Discovery.com

...) help gauge the temperature of hydrothermal alteration events. Absorbance peak locations (e.g. Al-OH absorption feature of clay minerals), help...

Abstract: Geochemical Analysis of CO2 Storage in Lithuanian Deep Saline Aquifers: Implications for Long-Term Carbon Capture and Storage Feasibility; #91209 (2025)

Shruti Malik, Shankar Lal, Mayur Pal, Ravi Sharma

Search and Discovery.com

... chemistry, potentially impacting the absorption or entrapment of CO2 molecules. Furthermore, carbonate minerals react with CO2, inducing dissolution...

Hyperspectral Core Imaging: Spanning the Gap from Plug to Log to Reservoir Scale; #41943 (2016)

Jerome A. Bellian, Brigette Martini, Lyn Canter, Ronnell Carey, David Katz, Patricia Rodrigues, Jennifer Curnow, Marshall Jung, Mary Guisinger

Search and Discovery.com

... nanometers without the atmospheric absorption bands (drop outs) that plague natural-light derived imagery such as those used in airborne or ground...

Heavy Metals Concentrations in the Sediments of Lagos Lagoon Using Different Geochemical Phases, by A. O. Adedeji and A. O. Falana; #90037 (2005)

Search and Discovery.com

Analytical Techniques for Evaluating and Modeling the Alterations of Reservoir Rocks Due to High-Power Lasing, by Bailo, El Tahir, Ramona M. Graves, #90030 (2004)

Search and Discovery.com

Click to view abstract in PDF format

Search and Discovery.com

The Stratigraphy and Petrology of the Frontier Formation of Wyoming

H. G. Goodell

Wyoming Geological Association

... interference colors, very coarsely granular, fine inclusions of organic matter, may be chalcedonic in part, fresh; rare. Dark brown absorption colors...

Spring Field Trip to Chinati Mountains, Presidio County, Texas

Robert H. Cress, H. M. Nielsen, Cecil C. Rix

West Texas Geological Society

... this harsh but necessary step, I was the only person passing through this country who did not incur difficulty and loss.” The first geological work...

Oil Fields of Royal Dutch-Shell Group in Western Venezuela

Staff of Caribbean Petroleum Company

AAPG Bulletin

... against shale breaks. The 13 3/8-inch surface string was necessary because shallow gravel beds caused loss of circulation. It was omitted where...

LOCATING AGGREGATE GREENFIELD SITES

Robert S. Fousek

Alabama Geological Society

... by a wide range of physical tests to include resistance to abrasion and breakdown, soundness, specific gravity and absorption, polishing characteristics...

Delineation of Karst Zones by the Method of Geophysical Logging Within the Volgograd Area

A. N. Afrikyan, Ye. P. Yarkina

Petroleum Geology: A Digest of Russian Literature

... and there is partial or complete absorption of the drilling mud). Regular geologic methods of studying reservoirs using rock specimens under...

Comparative Analysis of Methods of Determining Open Porosity

G. D. Sarayeva, A. A. Khanin

Petroleum Geology: A Digest of Russian Literature

... it is actively absorbed by the rock. The relative error of measurement of the volume of the skeleton may reach 6-13% due to absorption of air for rocks...

Computed Sediment Grain Surface Areas

George Shumway, Kim Igelman

Journal of Sedimentary Research (SEPM)

... and absorption studies of marine sediments by a resonance method: Geophysics, v. 25, p. 451-467, and in press. CADLE, R. D., 1955, Particle Size Determination...

Prediction of Middle Paleozoic Organic Buildups in the Cis-Dobrudzha Downwarp, Ukraine

A. Ye. Lukin, G. L. Trofimenko

Petroleum Geology: A Digest of Russian Literature

... bioherms, with which are associated oil-bearing carbonate reservoirs; 4-anomalies of intensive absorption of seismic energy (B-Burnas, B3-Bezymyan, V...

SEM, XRD, CL, and XF Methods: Part 5. Laboratory Methods

J. B. Thomas

AAPG Special Volumes

..." governed by the X-ray absorption contrasts within the sample. Subtle differences in X-ray absorption accentuate masked structures in the sedimentary rock...

Primary Degradation of Chlorophyll Under Simulated Petroleum Source Rock Sedimentation Conditions

Gordon W. Hodgson , Brian Hitchon

AAPG Bulletin

..., K. N., 1957, "Absorption Spectra and Luminescence of Chlorophyll and of Metal Derivatives of Pheophytin," Second All-Union Conference...

Biogenic Magnetite: Authigenesis and Diagenesis With Changing Redox Conditions in Lake Greifen, Switzerland

Teresa B. Hawthorne, Judith A. Mckenzie

Special Publications of SEPM

... for scanning electron mi under e from the varved sediments ditions and Extract D e extracted and were SEM and transmission electron microscopy...

The Lithology of the "Marchand" Conglomerate

Stephan M. Eisner

Oklahoma City Geological Society

... the average rate of removal of water is highest near 500°C., final traces may continue until near 800°C. (Wilson, 1927, p. 146). This water loss, though...

TAPHONOMY OF EXTANT DESERT TORTOISE (GOPHERUS AGASSIZII) AND LOGGERHEAD SEA TURTLE (CARETTA CARETTA) NESTING SITES: IMPLICATIONS FOR INTERPRETING THE FOSSIL RECORD

FRANKIE D. JACKSON, DAVID J. VARRICCHIO, ROBERT A. JACKSON, ANDREW D. WALDE, GALE A. BISHOP

PALAIOS

... in the plastron that allowed yolk absorption of the yolk into the body cavity prior to and after hatching. Forelimbs retain the skin whereas skeletal...

Stacked megafans of the Kalahari Basin as archives of paleogeography, river capture, and Cenozoic paleoclimate of southwestern Africa

Georg J. Houben, Stephan Kaufhold, Roy McG Miller, Christoph Lohe, Matthias Hinderer, Meike Noll, Jens Hornung, Reginalda Joseph, Axel Gerdes, Maria Sitnikova, Martin Quinger

Journal of Sedimentary Research (SEPM)

... of 3 m was employed, using transparent plastic liners. Due to technical constraints, the first eight meters were not cored. Total core loss was 31.8 m...