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The AAPG/Datapages Combined Publications Database
Showing 364 Results. Searched 200,663 documents.
Involvement of microbial mats in delayed decay: An experimental essay on fish preservation
Miguel Iniesto, Ana I. Lopez-Archilla, Marian Fregenal-Martínez, Angela D. Buscalioni, M. Carmen Guerrero
PALAIOS
... to those of natural mats. Conductivity (as an indirect measured of salinity), temperature, and pH were monitored in the course of the experiment...
2013
A Methodology For Disaggregation and Textural Analysis of Quartz-cemented Sandstones
Sarah A. Maithel, Leonard R. Brand, John H. Whitmore
Journal of Sedimentary Research (SEPM)
... Materials: Berlin, Springer-Verlag, 520 p. Houseknecht, D.W., 1984, Influence of grain size and temperature on intergranular pressure solution, quartz...
2019
Porosity and mineralogy in the Lajas tight gas sandstone reservoir, Neuquén Basin, Argentina
Nathan Lavauzelle, Marja Siitari-Kauppi, Paul Sardini, Didier Loggia, Juuso Sammaljärvi, Daniel Beaufort, Ana Laura Rainoldi, Daniel Minisini
Journal of Sedimentary Research (SEPM)
... to 1200 × 1150 µm2 and an optimized contrast and brightness to discriminate each mineral phase from their average grayscale level. In this study...
2025
EXCEPTIONAL PYRITIZED CYANOBACTERIAL MATS ENCRUSTING BRACHIOPOD SHELLS FROM THE UPPER ORDOVICIAN (KATIAN) OF THE CINCINNATI, OHIO, REGION
MARK A. WILSON, PAUL D. TAYLOR
PALAIOS
... detail. The shape, size and SEM brightness of these framboids is consistent with pyrite framboids described numerous times in the literature (see...
2017
Coal Seam Gas Distribution in the Moranbah-German Creek Coal Measures, Bowen Basin, Queensland
Joan Esterle, Ray Williams
Petroleum Exploration Society of Australia (PESA)
... samples deleted from the database. Multiple samples within a seam were composited and normalised to a standard ash yield (15%), temperature (20°C...
2002
Quantitative Characterization of Deformation and Damage in Shale Under Compression Utilizing Digital Image Correlation
Fatick Nath, Edgardo Aguirre, Gabriel Aguirre, Jose L. Perez, Cesar Netro, Flavio Borjas, Valeria Limon
Unconventional Resources Technology Conference (URTEC)
... sources with adjustable brightness, and a computer with data acquisition. DIC collects 2 FPS during the diametrical and uniaxial compression of rock...
2022
The Effects of Manganese(II) And Iron(II) on the Cathodoluminescence Signal in Synthetic Apatite
Gabriel M. Filippelli, Margaret L. Delaney
Journal of Sedimentary Research (SEPM)
... of 0.7M NaCl at room temperature (23 ± 1°C). Two solutions were added to the reaction chamber at 7.0 ml/hr each using peristaltic pumps. The first...
1993
Evaluation of Spacing of Stylolites and its Implications for Self-Organization of Pressure Dissolution
L. Bruce Railsback
Journal of Sedimentary Research (SEPM)
... microlamination in chalk: Journal of Sedimentary Petrology, v. 58, p. 857-861. GROSHONG, R.H., JR., 1988, Low-temperature deformation mechanisms...
1998
Geology of a Continental Slope Oil Seep, Northern Gulf of Mexico
E. William Behrens
AAPG Bulletin
... higher than those usually occurring (2.55°C/km; 0.14°F/100 ft) on the Gulf Coast, to reach a temperature that would produce maturation within...
1988
Tectonics and Thermal Maturation of the Bakken Formation of the Williston Basin, with Comments on Landsat Analysis Applications*
Warren Shepard
Montana Geological Society
..., Role of temperature and time on organic metamorphism: AAPG Bull. v. 66, p. 1124-1129. Heck, Thomas, 1978, Depositional...
1991
The Asteroidal Impact Theory and Some Geologic Evidence for Asteroidal Impacts on Earth: A discussion of Direct and Indirect Data of Extraterrestrial Bodies and Their Motions and How They May Have Affected Earth Structures
Robert E. Cohenour, Byron J. Sharp
Utah Geological Association
..., and southern Russia. It was so luminous that one could read a newspaper without artificial light. The brightness of the nights gradually diminished and ceased...
1987
Reservoir Modeling by Constraining Stochastic Simulation to Deterministically Interpreted Three-dimensional Geobodies: Case Study from Lower Cretaceous McMurray Formation, Long Lake Steam-assisted Gravity Drainage Project, Northeast Alberta, Canada
Milovan Fustic, David Thurston, Adal Al-Dliwe, Dale A. Leckie, Dany Cadiou
AAPG Special Volumes
... are characterized by changes in color intensity and brightness contrast (Figure 10A, B) and are seen as strong curved reflectors in cross section views...
2013
Study of the Reed Dolomite Aided by Remotely Sensed Imagery, Central White-Inyo Range, Easternmost California
W. G. Ernst , Earnest D. Paylor II
AAPG Bulletin
... on relative brightness contrasts to differentiate lithostratigraphic units. RESULTS Remotely sensed imagery, combined with field investigations, allowed us...
1996
Chapter 16 - Diagenesis: Sulfate & Halide Cements and Authigenic Precipitates
Dana S. Ulmer-Scholle, Peter A. Scholle, Juergen Schieber, Robert J. Raine
AAPG Special Volumes
... with changes in temperature and water chemistry. Thus, what may be initially formed as gypsum cement, may transform to anhydrite, in surficial settings...
2014
Geology and Exploitation of Kaolin Deposits in the Bidor Area, Peninsular Malaysia
P. C. Aw
Geological Society of Malaysia (GSM)
... granitic texture, high grit and lower clay content compared to metasedimentary kaolin. The granitoid kaolin generally has a higher brightness. Quartz...
1986
RECENT STUDIES ON SASKATCHEWAN CLAYS
J.H. HUDSON
Saskatchewan Geological Society
... not be bleached by the standard method of acid hydrosulphite; in fact, a point or so of brightness was lost. At intervals during the past 20 years...
1987
The Geologic History of Quartz Grains, as Revealed by Color SEM-CL
John N. Hooke, Stephen E. Laubach
GCAGS Transactions
... as recycled authigenic quartz. Gneissic grains are invariably mottled and purple with sealed microfractures whose relative brightness varies with metamorphic...
2007
Authigenic Apatite in a Fluvial Sandstone Sequence: Evidence for Rare-Earth Element Mobility During Diagenesis and a Tool for Diagenetic Correlation
Jon E. Bouch,, Malcolm J. Hole, Nigel H. Trewin, Simon Chenery, Andrew C. Morton
Journal of Sedimentary Research (SEPM)
..., N.H., AND MORTON, A.C., 1995, Low-temperature aqueous mobility of the rare-earth elements during sandstone diagenesis: Geological Society of London...
2002
AAPG Archie Series, No. 1, Chapter 9: Borehole Image Logs in Thinly Bedded Reservoirs
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
... on the right, pad and flap images have similar brightness and contrast. In most cases, button equalizaton is recommended. However, in some applications where...
2006
Techniques for Automated Measurement of Floc Properties
Gwyn Lintern, Gilliane Sills
Journal of Sedimentary Research (SEPM)
... shown in plot of mean pixel brightness across the image (Fig. 3B). The left-hand side of the plot shows a much higher overall illumination than...
2006
Textural and geochemical features of freshwater microbialites from Laguna Bacalar, Quintana Roo, Mexico
Set I. Castro-Contreras, Murray K. Gingras, Ernesto Pecoits, Natalie R. Aubet, Daniel Petrash, Saulo M. Castro-Contreras, Gregory Dick, Noah Planavsky, Kurt O. Konhauser
PALAIOS
... and brightness were modified). B) Domal stromatolites displaying a dark-gray coloration, and a smooth outer exterior. C) Stromatolite (5–15 wide) removed...
2014
Depositional setting and diagenetic processes and their impact on the reservoir quality in the late ViseanBashkirian Kashagan carbonate platform (Pre-Caspian Basin, Kazakhstan)
Paola Ronchi, Andrea Ortenzi, Ornella Borromeo, Michele Claps, William G. Zempolich
AAPG Bulletin
... temperature, and low-salinity fluid inclusions. The complex diagenetic evolution diagenesis produced better matrix porosity in the platform interior...
2010
An Integrated Multi-Analysis Procedure That Qualifies DHI’s: A Case History in the Louisiana Hackberry Trend
Russell Hoopes, W. M. Aber, Jr.
Bulletin of South Texas Geological Society
... (Figure 6), is a qualitative expression of the overall brightness or reflective amplitude of the data. The events to the right of the zero bias line...
1990
Three-dimensional Laser Scanning of Speleothems in the Carlsbad Caverns
Seiichi Nagihara, Ramey Goss, Bryan Musgrave, Jon Gamel, Glenn Hill, Thomas Bemis
West Texas Geological Society
... of each ray and measures the travel time and the brightness of the corresponding reflection. The survey data can be displayed on a computer screen...
2002
Enhancing SEM Grayscale Images through Pseudocolor Conversion: Examples from Eagle Ford, Haynesville, and Marcellus Shales
Wayne K. Camp
Unconventional Resources Technology Conference (URTEC)
... displayed in any given SEM image are the result contrast and brightness adjustments made by the SEM operator to produce a desirable image, and thus...
2013