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The AAPG/Datapages Combined Publications Database
Showing 1,906 Results. Searched 200,619 documents.
The Southernmost Lens of the Upper Devonian Grizzly Formation, Northern Sierra Nevada, California: Evidence for a Trench-Slope Depositional Setting
Gary H. Girty, Alysa M. Keller, Kristi R. Franklin, Robert C. Stroh
Pacific Section SEPM
...-supported. Approximately 19% of matrix-supported breccia beds display reverse grading in their lower parts, whereas 31% exhibit normal coarse-tail grading...
1991
Grain Analyses of Minerals of Sand Size in Ball Mills
Harold L. Alling
Journal of Sedimentary Research (SEPM)
... revolutions, 31.5 kilometers, the primary peak is all but gone and the curve consists of the secondary peak with excessive skewness. The long "tail...
1944
Flowback in Shale Wells: Proppant Transport and Distribution in the Wellbore
Kamilia Putri, Haidan Lu, Chun Ka Kwok, Katharine Moncada
Unconventional Resources Technology Conference (URTEC)
... demonstrates the potential to optimize the tail in proppant design for subsequent well to ensure that the URTeC 2887450 11 flow rates expected are achieved...
2018
Recognizing Fossil Strand Lines From Grain-size Analysis
John Chappell
Journal of Sedimentary Research (SEPM)
... in the Tail o a grain population. It was found, however, that the degree of discrimination afforded by the skewness test was related to the formula used...
1967
New Techniques for Stratigraphic Analysis and Correlation--Fourier Grain Shape Analysis Louisiana Offshore Pliocene
John V. Mrakovich, Robert Ehrlich, Bernhard Weinberg
Journal of Sedimentary Research (SEPM)
... through three on the right tail of the shape-frequency distributions causing their ranges to systematically decrease with depth. The frequency...
1976
A Conglomeratic, Carbonate Flow Deposit, Northern Tunisia; A Link in the Genesis of Pebbly Mudstones
Stephen P. J. Cossey , Robert Ehrlich
Journal of Sedimentary Research (SEPM)
...--supported "coarse tail" graded zone consisting mostly of clasts of radius -4 to -6 phi (1.6 to 6.4 cm), (3) Zone C, an upper zone consisting of matrix...
1979
The Goodness-of-fit to Ideal Gauss and Rosin Distributions: A New Grain-size Parameter
Ruprecht Schleyer
Journal of Sedimentary Research (SEPM)
... of clastic sediments are always finite and truncated on both sides. The coarse tail is truncated more frequently; therefore, it is the greater problem...
1987
No Oceanic PlateauNo Caribbean Plate? The Seminal Role of an Oceanic Plateau in Caribbean Plate Evolution
Andrew C. Kerr, Rosalind V. White, Patricia M. E. Thompson, John Tarney, Andrew D. Saunders
AAPG Special Volumes
... suggests that they develop a large spherical head, several hundred kilometers across, and fed by a narrow tail extending back to the source region...
2003
Significant Production Improvement of UltraLow Permeability Granitic Reservoirs to Develop Heavy Black Oil, Utilizing Channel Fracturing Technique
Mostafa Mahmoud Kortam, Samir Siso, Nelly Mohamed Abbas, Ahmed Salah, Atef Hesam, Andrea. Cilli, Ahmad Kamar, Fatmaelzahraa Khafagy
Africa Energy and Technology Conference, 2016
... proppant stage before flush without pulsation which is acting as proppant bank and defined as "tail-in" meanwhile the fracture is propagating...
2016
EXPERIMENTAL TAPHONOMY OF KERATIN: A STRUCTURAL ANALYSIS OF EARLY TAPHONOMIC CHANGES
SAITTA, ROGERS, BROOKER, JAKOB VINTHER
PALAIOS
... Decayed feathers–white Chicken; Back/neck region; Feather u-keratin Decayed feathers–black Chicken; Back/neck (white fringe on vane) and tail regions...
2017
The origin and significance of convolute lamination and pseudonodules in an ancient deep-marine turbidite system: From deposition to diagenesis
Omar N. Al-Mufti, R. William C. Arnott
Journal of Sedimentary Research (SEPM)
... with up to 5% clay. Commonly, stratified sandstone sharply overlies coarse-tail-graded sandstone that is a few decimeters to > 1 m thick with common...
2020
Quaternary Terraces and Shorelines of the Panhandle Florida Region
Joseph F. Donoghue, William F. Tanner
Special Publications of SEPM
... is not located accompanied by ern a Figure 3 The the tip of the energy level which but quite not KM tail and is wave much different from mod...
1992
Significant Features of Graded Bedding
Ph. H. Kuenen
AAPG Bulletin
..., swiftly moving nose under the dilute tail of the first flow. But in many instances there are dozens of laminations involved with strongly contrasting...
1953
In the Oil Business in Pennsylvania, 1860-1865 (as recalled in later years)
Evans Wallis Shippen
Petroleum History Institute
... drawn from under them, as he had failed to put the tail gate of his wagon box in its place. 90 SHIPPEN AND PEES shortly after having graduated from...
2002
Experiments on Wedge-Shaped Deep Sea Sedimentary Deposits in Minibasins and/or on Channel Levees Emplaced by Turbidity Currents. Part II. Morphodynamic Evolution of the Wedge and of the Associated Bedforms
Benoit Spinewine, Octavio E. Sequeiros, Marcelo H. Garcia, Rick T. Beaubouef, Tao Sun, Bruno Savoye, Gary Parker
Journal of Sedimentary Research (SEPM)
... depressions of the seafloor. Upon entry in a minibasin, the head of the current may be reflected against its outer rim and generate an internal...
2009
Processes of Sedimentation and Stratigraphic Architecture of Deep-Water Braided Lobe Complexes: The Pliocene Repetto and Pico Formations, Ventura Basin, U.S.A.
Jon R. Rotzien,, Donald R. Lowe, Jon R. Schwalbach
Journal of Sedimentary Research (SEPM)
.... Middleton, G.V., 1966, Experiments on density and turbidity currents: I. Motion of the head: Canadian Journal of Earth Sciences, v. 3, p. 523– 546. Munz...
2014
Recent sedimentological onterpretations in the Avalon terrane of the Boston Basin, Massachusetts
Anthony D. Socci, Geoffrey W. Smith
Atlantic Geology
... sAdimentaire du Bassin de Boston soulAve encore quelques Onig~.es et controverses et, cela, aprAs prOs d'un siAcle de travaux. Dans une certaine mesure...
1987
Geology of the Upper Cretaceous Hornbrook Formation, Oregon and California; Frontmatter and Roadlogs
Tor H. Nilsen
Pacific Section SEPM
... sedimentation in the Rocky Gulch Sandstone Member and upper part of the Blue Gulch Mudstone Member, respectively. Return to Interstate Highway 5, and head...
1984
A MIDDLE PERMIAN (ROADIAN) LUNGFISH AESTIVATION BURROW FROM THE RIO DO RASTO FORMATION (PARANÁ BASIN, BRAZIL) AND ASSOCIATED U-Pb DATING
HEITOR FRANCISCHINI, PAULA DENTZIEN-DIAS, MARGOT GUERRA-SOMMER, RUALDO MENEGAT, JOÃO ORESTES SCHNEIDER SANTOS, JOSELINE MANFROI, CESAR LEANDRO SCHULTZ
PALAIOS
.... The analyses were interpreted using the software DIFFRACPLUS. Since the XRD identifies only crystalline structures that occur in quantities higher than 2...
2018
Architecture, process, and environmental diversity in a late Cretaceous slope channel system
Benjamin Kneller, Guilherme Bozetti,, Richard Callow,,† Mason Dykstra, Larissa Hansen,, Ian Kane,,‡ Pan Li,,§ Adam McArthur,, Amanda Santa Catharina, Thisiane Dos Santos, Philip Thompson,¶
Journal of Sedimentary Research (SEPM)
... mudstone or mud-matrix rich conglomerate; Es, erosion surfaces. Modified from Li et al. (2018). Thickness of individual channel-complex sets varies...
2020
The Occurrence of Bone Modification Features in the Carapace and Plastron of the Extant Red-Eared Slider Trachemys scripta elegans (Wied-Neuwied, 1839): Implications for Paleoecological Analyses of Fossil Turtle Assemblages
John-Paul Zonneveld, William S. Bartels
PALAIOS
... occur on the soft integument of the areas around the head, neck, and posterior (Esch and Gibbons 1967; McAucliffe 1977; MacCulloch 1981), they may also...
2022
Holocene Carbonate Sedimentation on Northern Belize Shelf: PART 2
Walter C. Pusey III
AAPG Special Volumes
... movement of this sediment then would combine to produce a cometlike tail. The possibility exists, of course, that northern Belize "whitings" are similar...
1975
Late Cretaceous and Cenozoic Orogenesis of Arizona and Adjacent Regions: A Strato-Tectonic Approach
Stanley B. Keith, Jan C. Wilt
Rocky Mountain Section (SEPM)
... of the Cochise Head and western part of the Vanar quadrangle, Arizona: Geological Society of America Bulletin, v. 68, no. 10, p. 1315–1342. Scarborough...
1985
Trace Fossil Assemblages and their Occurrence in Silesian (Mid-Carboniferous) Deltaic Sediments of the Central Pennine Basin, England
R. M. C. Eagar, J. G. Baines, J. D. Colllnson, P. G. Hardy, S. A. Okolo, J. E. Pollard
Special Publications of SEPM
... ell 4l is ci m Clitheroe MM ell tii1 m area tl 4l ES m ARNSBERGIAN Rossendale III m CIJ Midgley ingense r I I IHorizon locally I...
1984
Stratal characteristic and depositional origin of two-part (Mud-poor overlain by mud-rich) and associated deep-water strata: Components in a lateral depositional continuum related to particle settling in negligibly sheared mud-rich suspensions
Jagabir Ningthoujam, Curran Wearmouth, R.W.C. Arnott
Journal of Sedimentary Research (SEPM)
... turbidite system: Sedimentology, v. 67, p. 1710– 1749. Nielsen, O.B., Rasmussen, E.S., and Thyberg, B.I., 2015, Distribution of clay minerals...
2022