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The AAPG/Datapages Combined Publications Database
Showing 4,216 Results. Searched 200,619 documents.
Geologic Processes and Sea Floor Stability Continental Shelf and Slope, Northwest Gulf of Mexico: A Systematic Approach to Identifying Geohazards: Section 4A: PART 2
Henry L. Berryhill Jr.
AAPG Special Volumes
... by figure 31. 5. Distribution of surficial sediments by grain size indicates that silt is the predominant textural component (Shideler, 1976; 1977...
1981
Meteoric Calcitization and Incipient Lithification of Recent High-Magnesium Calcite Muds, Belize
S.J. Mazzullo, William D. Bischoff
Journal of Sedimentary Research (SEPM)
... here, and on other rays in the area, consist of 0.5-0.9 m of mud capped by surficial muddy sands. Sediments are deposited on a karsted surface...
1992
Composite Particles in Mudstones: Examples from the Late Cretaceous Tununk Shale Member of the Mancos Shale Formation
Zhiyang Li, Juergen Schieber
Journal of Sedimentary Research (SEPM)
... rip-up clasts” (“intraclasts”) are produced by erosion of surficial muds and can have up to 85% water content depending on how deep erosion cuts down...
2018
Circulation of Saline Ground Water in Carbonate Platforms--A Review and Case Study from the Bahamas: Chapter 9: DIAGENESIS AND BASIN HYDRODYNAMICS
Fiona F. Whitaker, Peter L. Smart
AAPG Special Volumes
... flow is unlikely to generate large-scale saline circulation, and the effects may be limited to surficial sediment veneers on the shallow banks...
1993
Sequence Stratigraphic Context of Syndepositional Diagenesis in Cool-Water Shelf Carbonates: Pliocene Limestones, New Zealand
Vincent Caron, Campbell S. Nelson, Peter J.J. Kamp
Journal of Sedimentary Research (SEPM)
... and Bernoulli 2003), there exist some major uncertainties about syndepositional diagenetic trends in response to relative sea-level changes. Although it has...
2005
LARGE LOOP EM SURVEYS IN THE ATHABASCA BASIN
BRIAN POWELL
Saskatchewan Geological Society
... together as geological noise. There are also limitations which are more directly related to the method itself. Notable amongst these is a limited...
1990
Late Quaternary Paleogeography and Paleosedimentation: Chapter 6: PART 1. LATE QUATERNARY CARBONATE SEDIMENTS OF YUCATAN SHELF, MEXICO
Brian W. Logan, James L. Harding, Wayne M. Ahr, Joseph D. Williams, Robert G. Snead
AAPG Special Volumes
... to the extent of uplift or downwarp and the uncertainties which these factors introduce. If tectonic movement can be gauged, suitable corrections can...
1969
Earthquake Activity in the Sacramento Valley, California and Its Implications to Active Geologic Structures and Contemporary Tectonic Stresses
Ivan G. Wong
Pacific Section of AAPG
.... Although the epicentral uncertainties of earthquakes in this region may be several kilometers or more, the seismicity near Chico appears to exhibit...
1992
Residual gravity modelling of the Mount Mégantic intrusive complex, Québec, Canada
Maurice K. Seguin, Janusz Frydecki
Atlantic Geology
... calculation points; otherwise densities will be underestimated due to the presence of significant thicknesses of low density surficial sediments...
1991
Mercury and Bed Sediment in the Ottawa River, Canada
Brian R. Rust, Dennis G. Waslenchuk
Journal of Sedimentary Research (SEPM)
...., 1973, The distribution of mercury in the surficial sediments of Lake Huron: Canadian Jour. Earth Sci., v. 10, p. 194-204. SHIMOMURA, SHIGERU, Y...
1976
Diagenesis of Carbonates in Deep-Sea Sediments--Evidence From SR/CA Ratios and Interstitial Dissolved SR2+ Data
Paul A. Baker, Joris M. Gieskes, Harry Elderfield
Journal of Sedimentary Research (SEPM)
...) and Manheim et al. (1972). The predicted values are in good agreement with the observed value considering the above-stated uncertainties in values of kSr...
1982
Sandstone Porosity Loss--A "Big Picture" View of the Importance of Compaction
Paul D. Lundegard
Journal of Sedimentary Research (SEPM)
.... The largest dataset on the porosity of naturally deposited surficial sands comes from the work of Pryor (1973) who analyzed 992 samples of Recent river...
1992
Holocene and Pleistocene Calcareous Crust (Caliche) Profiles: Criteria for Subaerial Exposure
Noel P. James
Journal of Sedimentary Research (SEPM)
...), Surficial, calcareous crust profiles, hard, irregular, subhorizontal, calcareous laminae, surrounded by crumbly, chalky carbonate, form at the surface...
1972
Vertical Movements and Isostasy in Western Wyoming Overthrust Belt
Gary W. Crosby
AAPG Bulletin
... that the overthrust belt, at least, is rising absolutely with reference to sea level. There are uncertainties inherent in these assertions because the distribution...
1968
Seismic Shothole Drillers Litholog Database and GIS
I. Rod Smith
Search and Discovery.com
... provide baseline, shallow (<20 m) lithostratigraphic and geoscience information on surficial and bedrock geology, hydrogeology, geohazards, granular...
Unknown
Seismic Shothole Drillers Litholog Database and GIS
I. Rod Smith
Search and Discovery.com
... provide baseline, shallow (<20 m) lithostratigraphic and geoscience information on surficial and bedrock geology, hydrogeology, geohazards, granular...
Unknown
Characterization and Delineation of Potential Evaporite Geohazards Using Electrical Resistivity Methods along FM 2185, Culberson County, Texas
Lenora D. Perkins, Kevin W. Stafford, Wesley A. Brown
GCAGS Journal
... Castile Formation and lower Rustler strata. Features commonly expressed in this region are comprised of a wide array of surficial karst, as well...
2023
Traces In the Dark—Sedimentary Processes and Facies Gradients In the Upper Devonian–Lower Mississippian Upper Shale Member of the Bakken Formation, Williston Basin, North Dakota, U.S.A.—Discussion
Juergen Schieber
Journal of Sedimentary Research (SEPM)
... 2004). Surficial muds typically are 80–90% water at the modern seabed (e.g., Schimmelmann et al. 1990; Bennett et al. 1991), and therefore nematodes...
2014
Relationship Between Over- and Under-Thrusting as Revealed by Experiments
Theodore A. Link
AAPG Bulletin
...-thrusting, as revealed in the experiments performed, was approximately 2 to 1. Surficial compression gave rise to closely folded uplifts with low-angle...
1928
Late Recent History of Cote Blanche Salt Dome, St. Mary Parish, Louisiana
Donald C. Barton
AAPG Special Volumes
... of the surficial clay layer which covers the dome (Figs. 1, 2, and 3). That clay layer is 20-30 feet thick over the outer third of the area of the "island...
1936
Late Recent History of Cote Blanche Salt Dome, St. Mary Parish, Louisiana
Donald C. Barton
AAPG Bulletin
...-holes during late Recent time is indicated by the thickening of the surficial clay layer which covers the dome (Figs. 1, 2, and 3). That clay layer...
1936
Note on a Mode of Piston Core Disturbance: NOTES
Y. Igarashi, J. B. Ridlon, J. R. Campbell, R. L. Allman
Journal of Sedimentary Research (SEPM)
... lithologic drag effects showing up on the X-radiograph of the whole core. This discovery suggests a mode of surficial coarse particle distortion which may...
1970
The Post Glacial Evolution of the Minas Basin, N.S. A Sedimentological Interpretation
Carl Leonetto Amos
Journal of Sedimentary Research (SEPM)
...-levels 7,000-20,000 years ago: Science, v. 157, p. 684-687. FADER, G. B., L. H. KING AND B. MACLEAN, 1976, Surficial geology of the eastern Gulf of Maine...
1978
High-Resolution Seismic Expression of Karst Evolution within the Upper Floridan Aquifer System: Crooked Lake, Polk County, Florida
Mark W. Evans , Stephen W. Snyder , Albert C. Hine
Journal of Sedimentary Research (SEPM)
.... The carbonate and clastic strata include three aquifer systems separated by clay-confining units: a surficial aquifer system (fine to medium quartz...
1994
Spherulites in Calcrete Laminar Crusts: Biogenic CaCO3 Precipitation as a Major Contributor to Crust Formation: DISCUSSION
V. P. Wright , V. H. Beck , M. E. Sanz-Montero
Journal of Sedimentary Research (SEPM)
... and suggest that spherulites are not exclusive to surficial deposits. OCCURRENCE OF SPHERULITIC LAMINAR CALCRETES We were disappointed that more information...
1996