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The AAPG/Datapages Combined Publications Database
Showing 3,040 Results. Searched 200,636 documents.
Inferred Diagenetic History of a Weakly Silicified Deep Sea Chalk
Sherwood W. Wise, Jr. , Kerry R. Kelts
GCAGS Transactions
... alga, Braarudosphaera rosa Levin and Joerger, 820 X. FIGURE 2, 3. Intact skeletal plate of B. rosa. Each segment of the pentalith extinguishes when...
1972
Solving the puzzle of the bivalve shell fragment: inferring the original abundance and size frequency from the fragmented record
Eric N. Powell
PALAIOS
... fragments are enumerated by counting intact umbos. If all fragments are preserved, this approach is preferable, as shell model reconstructions...
2020
Characteristics, Distribution and Origin of Porosity in Shelf Dolostones: Burlington-Keokuk Formation (Mississippian), U.S. Mid-Continent
Philip W. Choquette, Ann Cox, William J. Meyers
Journal of Sedimentary Research (SEPM)
... intact or have been dissolved to leave molds. Moreover, only rarely has grain dissolution been arrested in midcourse; either signs of dissolution...
1992
Bayesian artificial intelligence for geologic prediction: Fracture case study, Horn River Basin
S. M Agar, W. Li, R. Goteti, D. Jobe, S. Zhang
CSPG Bulletin
..., 2002; Mullen et al., 2010). In unconventional resources, some production anomalies cannot be explained by hydraulic-fracture stimulation of intact...
2019
Anatomy of a Concretion: Life, Death, and Burial in the Western Interior Seaway
Neil H. Landman, Susan M. Klofak
PALAIOS
... in describing ammonites (for more about these measurements see Landman et al., 2007a, 2010); L 5 length of the shell (intact or broken) in Baculites...
2012
Reservoirs in Fractured Rock: Geologic Exploration Methods
David W. Stearns, Melvin Friedman
AAPG Special Volumes
... and Willis, 1955); (3) described in terms of two distinct elements, fractures and intact rock, each of which has its own characteristic porosity...
1972
A review and new descriptions of Elk Point Group outcrops in the Athabasca Oil Sands mining region
Chris L. Schneider, Matthias Grobe
CSPG Bulletin
... River Formation. The La Loche Formation sandstone, the Keg River Formation reefs, and the “intact” Prairie Evaporite Formation dololaminites of Mahood et...
2017
Environmental controls on the distribution of late Paleozoic bryozoan colony morphotypes: An example from the Permian of Tasmania, Australia
Catherine M. Reid
PALAIOS
...) Intact, erect-rigid foliose fronds, # 20 mm thick (f) in bioclastic limestone with large dropstones (d), Bundella Formation (basal beds), Maria Island...
2010
Genus-level taphonomic variation within cladid crinoids from the Upper Pennsylvanian Barnsdall Formation, northeastern Oklahoma
James R. Thomka, Ronald D. Lewis, Daniel Mosher, Roger K. Pabian, Peter F. Holterhoff
PALAIOS
... through the sieving technique; however, even with careful field procedures, relatively few individuals were found intact (e.g., crowns attached to columns...
2011
Stratigraphic and Structural Investigation of the Eola Klippe, Garvin County, Oklahoma
Diane E. Brownlee
Oklahoma City Geological Society
.... The klippe is remarkably intact and appears to have been transported as a single unit. The lack of basal Simpson sands in the klippe suggests...
1985
Relation of Biofacies to Lithofacies in Interpreting Depositional Environments in the Pitkin Limestone (Mississippian) in Northeastern Oklahoma (Part I)1
Robert S. Fabian
Oklahoma City Geological Society
.... Sponge spicules are abundant and are commonly associated with the taxa of this community. Intact sponges were not found and the exact distribution...
1989
DETERMINING TAPHONOMIC CONTROLS AND RATES OF DECAY IN CAVE ENVIRONMENTS USING MICROCOSMS
CAITLIN M. BOBLITT, ROY E. PLOTNICK, FABIEN KENIG, D'ARCY MEYER-DOMBARD
PALAIOS
... from above. At each site three mesh bags containing one small mammal bone, tooth, skull, and intact owl pellet were buried in separate holes (1a, 1b...
2018
Benthic Assemblages as Indicators of Sediment Stability: Evidence from Grainstones of the Harrodsburg and Salem Limestones (Mississippian, Indiana): Chapter 8
Howard R. Feldman, Mark A. Brown, Allen W. Archer
AAPG Special Volumes
... brachiopods with long delicate spines, probably could not be transported and deposited intact. Other important evidence of autochthonous fossils includes...
1993
Large Earthquakes on the Salt Lake City Segment of the Wasatch Fault Zone – Summary of New Information from the South Fork Dry Creek Site, Salt Lake County, Utah
Bill D. Black, William R. Lund, Bea H. Mayes
Utah Geological Association
...). The colluvial wedge on F2 (unit 7) is large and complex (1.7 meters [5.6 ft] thick), and contains several intact upright blocks surrounded by organic-rich...
1995
Stratigraphy, Sedimentology, and Depositional Conditions of Lower Paleozoic Western-Facies Rocks in Northeastern Nevada
Keith B. Ketner
Pacific Section SEPM
... are considered: (1) The mudmound is an olistolith that slid as a giant intact slab, or sheet, into the Vinini basin from the adjacent shelf; (2...
1991
Petrophysical characterization at the extremes and across three continents: contrasting examples from Utica, Marcellus, Longmaxi and Roseneath-Murteree resource shales
M. Ben Clennell, Matthew Josh, Lionel Esteban, Claudio Delle Piane, David Dewhurst, Vladimir Luzin
Unconventional Resources Technology Conference (URTEC)
... colors) have the lowest resistivity values. (b) Laboratory measurements of resistivity on 20 blocks cut from the intact (not preserved) core measured...
2017
Geomechanical Evaluations of Deep Shale Gas Reservoir in Sichuan Basin, Western China
Xing Liang, Kaibin Qiu, Honglin Shu, Zhuo Zhang, Yufeng Luo, Yuanwei Pan, Qingfei Li, Kaigui Yin, Gaocheng Wang,Yan Gao
Unconventional Resources Technology Conference (URTEC)
... with respect to the axis of symmetry from the full diameter cores at the selected locations, where there is relatively homogeneous and intact rock volume...
2020
The Southern Uplands Accretionary Prism: Implications for Controls on Structural Development of Subduction Complexes: Convergent Margins: Field Investigations of Margin Structure and Stratigraphy
J. K. Leggett, D. M. Casey
AAPG Special Volumes
... to the trench facilitate accretion of discrete intact End_Page 382------------------------ packets of strata. Prolonged accretion under...
1982
Chapter 6: Characteristics of Debris Flows and Outrunner Blocks—Evidence for Mississippian Deposition on a Distally Steepened Ramp
Miranda Childress, G. Michael Grammer
AAPG Special Volumes
.... A slump is defined as a rotational slide characterized by displacement of relatively intact blocks over curved or spoon-like slip surfaces with limited...
2019
A Pennsylvanian-Age Terrestrial Storm Deposit: Using Plant Fossils to Characterize the History and Process of Sediment Accumulation
Christopher Wnuk, Hermann W. Pfefferkorn
Journal of Sedimentary Research (SEPM)
... blasts) rarely have sufficient energy for the physical transport of large, intact tree trunks. The sedimentary history of the B-coal underclay can...
1987
Mainstream Mantle Convection: A Geologic Analysis of Plate Motion
T. H. Nelson , P. G. Temple
AAPG Bulletin
... an eastward component, the margins of the overthrust plates remain intact and under general compressional stress. A simple conceptual model shows...
1972
Geomechanical modeling of hydraulic fracturing: Why mechanical stratigraphy, stress state, and pre-existing structure matter
Kevin J. Smart, Goodluck I. Ofoegbu, Alan P. Morris, Ronald N. McGinnis, and David A. Ferrill
AAPG Bulletin
... Raton, CRC Press, 741 p. Colmenares, L. B., and M. D. Zoback, 2002, A statistical evaluation of intact rock failure criteria constrained by polyaxial...
2014
Experimental determination of porosity and methane sorption capacity of organic-rich shales as a function of effective stress: Implications for gas storage capacity
Garri Gaus, Reinhard Fink, Alexandra Amann-Hildenbrand, Bernhard M. Krooss, and Ralf Littke
AAPG Bulletin
... cannot be considered. In contrast, the experiments presented here document the uptake and sorption characteristics of the intact rock fabric...
2021
Sedimentological and geochemical insights into the opening of the Cretaceous interior seaway: The Lower Cretaceous Skull Creek Formation, Colorado
Patrick M. Sullivan, Stephen A. Sonnenberg, Brian T. Hankins, and James W. Hagadorn
AAPG Bulletin
... 2). Two dominant types of bivalves include intact parts of G. bellvuensis and G. commancheanus (Inoceramus bellvuensis and Inoceramus commancheanus...
2023
Movements of Bottom Soils in the Mississippi Delta Offshore
R. G. Bea, H. A. Bernard
New Orleans Geological Society
... of bottom movements from an area of no bottom movements). "lhe other pipelines remained intact. These data indicate that substantial changes...
1973