Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 366 Results. Searched 200,619 documents.
The Determination of Suspended Sediment Concentration in a Macrotidal System Using Landsat Data
C. L. Amos, T. T. Alfoldi
Journal of Sedimentary Research (SEPM)
... and achromatic (proprotional in the first three Landsat bands), and produces an isoluminous image (see Munday and Alfoldi, 1975) in which brightness...
1979
Development of Low-ash, Planar Peat Swamps in an Alluvial-plain Setting: the No. 5 Block Beds (Westphalian D) of Southern West Virginia
James R. Staub, Bradley K. Richards
Journal of Sedimentary Research (SEPM)
.... Megascopic descriptions of the coal beds were based on the relative brightness of the material and the presence or absence of banding using...
1993
Mapping Thermal Maturity in the Chainman Shale, Near Eureka, Nevada, with Landsat Thematic Mapper Images (1)
LAWRENCE C. ROWAN , MARK J. PAWLEWICZ , and OLIVER D. JONES
AAPG Bulletin
... bands are commonly used to display variations in absorption intensities while minimizing brightness variations due to albedo and topographic slope...
1992
Chapter 15: Last Glacial Maximum Depositional Sequence, Po River Plain, Italy—Ultra-High Resolution Sequence Stratigraphy of a Cenozoic Coastal-Plain-to-Shallow-Marine Foreland Basin
B. Campo, A. Morelli, A. Amorosi, L. Bruno, D. Scarponi, V. Rossi, K. M. Bohacs, T. Drexler
AAPG Special Volumes
... average air temperature is >16°C, and annual average precipitation is 70 cm; see Costantini et al., 2013); earlier conditions, especially during LGM...
2022
Front Matter, Road Logs: Structure and Tectonics of the Big Bend and Southern Permian Basin, Texas: West Texas Geological Society 1994 Field Trip Guidebook
T. Matthew Laroche, J. J. Viveiros
West Texas Geological Society
... of the Devonian gas is 4450 PSIG at bottom hole temperature of 190° F., and the original reservoir pressure was 5580 PSIG. Pressure maintenance was established...
1994
Structural, Lithologic, and Diagenetic Controls on Dakota Formation Gas Production in the Greater San Arroyo Gas Field, Utah
Joshua P. Dark, Brian S. Currie, Mary L. McPherson, John Rakovan, Tomasz A. Marchlewski
Rocky Mountain Association of Geologists
... seconds for most images taken at these conditions. Images were later digitally enhanced by adjusting brightness, contrast, color saturation, and gamma...
2008
Mineralogy and lithology of the Upper Cretaceous Niobrara Formation determined by hyperspectral core imaging
Justin E. Birdwell, Lionel C. Fonteneau, Brigette A. Martini
Rocky Mountain Association of Geologists
... (brightness, darkness) or textural information (fine or coarse) derived from examination of absorbance features related to mineral grain size. For example...
2020
Metazoan reef construction in a Middle Ordovician seascape: a case study from the Mingan Archipelago, Quebec
Amelia Penny, André Desrochers, Björn Kröger
PALAIOS
... bioherm at Grande Pointe. A) Overview of upper and lower bioherms. Measuring stick is 1 m long; bioherms are outlined in white. Brightness enhanced...
2020
Significance of a Small Regurgitalite Containing Lissamphibian Bones, from the Morrison Formation (Upper Jurassic), within a Diverse Plant Locality Deposit in Southeastern Utah, USA
John R. Foster, Adrian P. Hunt, James I. Kirkland
PALAIOS
... with a Laowa 100mm F2.8 CA-Dreamer Macro2X lens. Photo modification in Photoshop consisted only of cropping and brightness or contrast adjustments...
2022
Measurement and Analysis of Fractures in Core
John C. Lorenz, Robin E. Hill
Rocky Mountain Association of Geologists
... this criterion is established, other characteristic image differences such as width and brightness of the fracture image may become apparent. Image logs...
1992
Ichnofabric analysis as a tool for characterization and differentiation between calcareous contourites and calciturbidites
Olmo Miguez-Salas, Francisco J. RodrÍguez-Tovar
Journal of Sedimentary Research (SEPM)
... obtained and treated with Adobe Photoshop CS6 (using adjustments for brightness, hue/saturation, and color balance, among others; see Rodríguez-Tovar...
2021
HIGH-PRECISION ALGORITHM FOR GRAIN SEGMENTATION OF THIN SECTIONS BY MULTI-ANGLE OPTICAL-MICROSCOPIC IMAGES
Timur Murtazin, Zufar Kayumov, Vladimir Morozov, Radik Akhmetov, Anton Kolchugin, Dmitrii Tumakov, Danis Nurgaliev, Vladislav Sudakov
Journal of Sedimentary Research (SEPM)
... it to be characterized and identified. Many minerals have pronounced color shades and different brightness, which are determined by their optical properties. Image...
2023
Structural, Lithologic, and Diagenetic Controls on Dakota Formation Gas Production in the Greater San Arroyo Gas Field, Utah
Joshua P. Dark, Brian S. Currie, Mary L. McPherson, John Rakovan, Tomasz A. Marchlewski
Utah Geological Association
... at these conditions. Images were later digitally enhanced by adjusting brightness, contrast, color saturation, and gamma correction. Each CL image...
2008
The Early Cambrian Problematic Fossil Volborthella: New Insights from the Basin and Range
James W. Hagadorn, Ben Waggoner
Pacific Section SEPM
... six sample points at which X-ray analyses were taken. Note that each measured grain shows a different level of brightness. The graph of grayscale...
2002
The Emergence of Pre-Cenozoic Petroleum System In East Java Basin: Constraints from New Data and Interpretation of Tectonic Reconstruction, Deep Seismic, and Geochemistry
Awang Harun Satyana
Indonesian Petroleum Association
... differences in brightness of various packages (perhaps reflecting more volcanics), the thickness of megasequences and general fault style and spacing...
2016
Chapter 1: Applications of Correlative Light and Electron Microscopy (CLEM) to Organic Matter in the North American Shale Petroleum Systems
B. J. Valentine, P. C. Hackley
AAPG Special Volumes
... tomography images (Garrido et al., 2014) or ultrasound sonograms (Harris-Love et al., 2016). As a result of changes in SEM brightness/contrast between...
2019
Pilot Phase of the Aguada Federal Block, Black-Oil Window
Osvaldo Nielsen, David Curia, Pablo Pateti, Javier Caniggia, Alexis Ortega, Morten Slinde
AAPG Special Volumes
... propagation, dimensions, type) and rock elasticity (e.g., ductility and brightness) is needed. Seismic data can provide a reliable estimation...
2020
Chapter Five: Reservoir Identification
Alistair R. Brown
AAPG Special Volumes
... of a flat spot reflection at the downdip limit of brightness. The lower sand is much thicker and the flat spot reflection is very clear. The natural...
2011
Evidence for a Tidally Influenced Upper Carboniferous Ombrogenous Mire System: Upper Bench, Beckley Bed (Westphalian A), Southern West Virginia
James R. Staub, Joan S. Esterle
Journal of Sedimentary Research (SEPM)
... brightness of the coal and the presence or absence of banding. When compared with the classification of Stopes (1919), bright coal is equivalent...
1992
Biological Forcing of Hemipelagic Sedimentary Laminae: Evidence from ODP Site 893, Santa Barbara Basin, California
Kurt A. Grimm , Carina B. Lange , Amarpal S. Gill
Journal of Sedimentary Research (SEPM)
... evident in X-radiographs of core slabs, in smear slides, and in electron micrographs (Figs. 5-7). The brightness of objects in backscattered electron...
1996
Experimental Test of Tectonic Controls on Three-Dimensional Alluvial Facies Architecture
Thomas A. Hickson, Ben A. Sheets, Chris Paola, Michael Kelberer
Journal of Sedimentary Research (SEPM)
... brightness values from a point on these images to the entire 2-cm-wide (in a flow-parallel sense) zone between slices. This, in concert with variation...
2005
Sedimentary Features of the South Texas Continental Slope as Revealed by Side-Scan Sonar and High-Resolution Seismic Data (1)
R. G. ROTHWELL , N. H. KENYON , and B. A. MCGREGOR
AAPG Bulletin
... of intermediate brightness on the GLORIA sonographs and covers a large area of the middle slope south of 26 degrees 40'N. This part of the middle slope...
1991
Accommodation-based coal cycles and significant surface correlation of low-accommodation Lower Cretaceous coal seams, Lloydminster heavy oil field, Alberta, Canada: Implications for coal quality distribution
Gareth R. L. Chalmers, Ron Boyd, Claus F. K. Diessel
AAPG Bulletin
.... Core logging involved both the textural analysis of inorganic sediments and the brightness logging of organic sediments. A total of 6 m (20 ft...
2013
Front Matter, Road Logs: Geology of the Big Bend Area, Texas: Field Trip Guidebook with Road Log and papers on Natural History of the area
Ross A. Maxwell, John W. Dietrich
West Texas Geological Society
... simple. Cinnabar dissociates to elemental mercury vapor at a low temperature. The vapor is condensed to liquid and collected in iron flasks containing...
1972
Compensational Stacking of Channelized Sedimentary Deposits
Kyle M. Straub, Chris Paola, David Mohrig, Matthew A. Wolinsky, Terra George
Journal of Sedimentary Research (SEPM)
... represented by brightness. B) Synthetic stratigraphy generated through stacked delta-top profiles with topography clipped to account for sediment...
2009