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The AAPG/Datapages Combined Publications Database
Showing 1,906 Results. Searched 200,635 documents.
Grain-Surface Textures of Late Wisconsinan Sands from the Canadian Beaufort Shelf
Philip R. Hill , Odette C. Nadeau
Journal of Sedimentary Research (SEPM)
... and relatively poorly sorted (Fig. 3c, d, e) than the Uviluk sands. The Koakoak sample has a more pronounced fine-sand/silt tail (Fig. 3e). Quartz...
1984
Sedimentology of the La Gorce Formation, La Gorce Mountains, Antarctica
J. H. Smit, Edmund Stump
Journal of Sedimentary Research (SEPM)
... fraction within the sediment (e.g., coarse-tail grading; large, floating clasts). The La Gorce sediments are free of coarse material except...
1986
Variations in Density of V-Shaped Impact Pits on Quartz Grains, with Size of Grains, Intertidal Sands, Bay of Fundy
G. V. Middleton, C. A. Kassera
Journal of Sedimentary Research (SEPM)
... and A populations in the proportion 12:88, and it can be seen that the fit to the measured size istribution is good, except at the fine tail. FIG. 3...
1987
Silica Diagenesis in Accreted Eocene Siliceous Rocks (Horizon Ac) on Barbados
D. K. Larue , C. W. Gortner , R. Torrini, Jr.
Journal of Sedimentary Research (SEPM)
... but are not packed as densely as in T layers. Parallel laminations, coarse-tail grading, scour features, and load and flame structures indicate...
1987
A Fluid Inclusion Study of Quartz-Cemented Sandstones from Offshore Mid-Norway--Possible Evidence for Continued Quartz Cementation During Oil Emplacement
Olav Walderhaug
Journal of Sedimentary Research (SEPM)
... in the tail of the distribution being spurious and the uncertainty in determination of formation temperature have to be kept in mind. However...
1990
Three-Dimensional Antidunes as HCS Mimics in a Fluvial Sandstone: The Pennsylvanian South Bar Formation Near Sydney, Nova Scotia
Brian R. Rust, Martin R. Gibling
Journal of Sedimentary Research (SEPM)
... reticulate arrays of rooster-tail antidunes. These arrays were observed where flow expanded downstream from a channel constriction (Gustavson 1974, fig. 11A...
1990
Use of Bulk Chemical Analyses in Stratigraphic Correlation of Sandstones: An Example from the Statfjord Nord Field, Norwegian Continental Shelf
S.N. Ehrenberg, E. Siring
Journal of Sedimentary Research (SEPM)
... A) and base 10 logarithm of wt.% MgO B) in Upper Jurassic and Middle Jurassic samples from well 14. The wt.% MgO distributions are negatively skewed (tail...
1992
Tidal Lagoon Sediments on the Mississippi Delta: Part 3. Deposits Associated with Strand Line
W. C. Krumbein
AAPG Special Volumes
... in the environment. The median values average about =3 (diameter=1/8 mm.). Type II curves are predominantly sandy, but they carry a "tail" of silt and clay...
1939
The Bosporus: Water
Charles G. Gunnerson , Erdogan Ozturgut
AAPG Special Volumes
... passed through the rocks with a loss of only a few tail feathers. While the islands were still on the rebound, the Argonauts rowed mightily...
1974
Graded Bedding in Recent Black Sea Turbidites: A Textural Approach: Sediments
Dan C. Jipa
AAPG Special Volumes
... positive values indicate a predominant coarse mode with a tail of fine grains. Kurtosis values show a large spread (from 0.63 to 0.87), indicating...
1974
Gravel and Sand Flotation: A Sediment Dispersal Process Important in Certain Nearshore Marine Environments
Per Moller, Olafur Ingolfsson
Journal of Sedimentary Research (SEPM)
..., interbedded with very thin and more or less continuous sand partings and/or pebble stringers (Moller et al. 1992) deposited by fallout from the tail of the flow...
1994
Cathodoluminescence at Low Fe and Mn Concentrations: A Sims Study of Zones in Natural Calcites
Martine M. Savard , Jan Veizer , Richard Hinton
Journal of Sedimentary Research (SEPM)
... threshold for energy filtering was determined at the beginning and end of every analysis by measuring the position of the low-energy tail (10...
1995
Statistical Analysis of Bed-Thickness Patterns in a Turbidite Section from the Great Valley Sequence, Cache Creek, Northern California
Christopher J. Murray , Donald R. Lowe, Stephan A. Graham, Paul A. Martinez , Jianjun Zeng, Alan R. Carroll , Ronadh Cox , Marc Hendrix , Christoph Heubeck , Donald Miller, Ian W. Moxon , Edward Sobel , Johannes Wendebourg , Thomas Williams
Journal of Sedimentary Research (SEPM)
... in the upper tail of the bed-thickness distribution (Fig. 8B) at a thickness of about 250 cm. The plot suggests that the thickest turbidit s are somewhat thinner...
1996
Using Magnetic Resonance Imaging and Petrographic Techniques to Understand the Textural Attributes and Porosity Distribution in Macaronichnus-Burrowed Sandstone
Murray K. Gingras, Bryce MacMillan, Bruce J. Balcom, Tom Saunders, S. George Pemberton
Journal of Sedimentary Research (SEPM)
... the location of the worms "tail" or pygidium). The sweeping motion is shown with the longer, curved arrow. These worms are known modern analogs...
2002
Pore Studies of Highly Indurated Appalachian Rocks
W. Cullen Sherwood , Jinn Huie Huang
AAPG Bulletin
...) is somewhat less sharp than that shown in Figure 4, and it also has a sweeping tail to the right caused by the presence of larger pores. Three of the samples...
1969
A "Sigsbee Knoll" in Early Tertiary Bay of Biscay and Associated Turbidity Currents
Jorg Hanisch
AAPG Bulletin
.... This load which normally forms the "tail" of a current and moves with a considerably lower velocity seems to have been partially stopped at the rise...
1978
Statistical Appraisal of Seismic Prospects in Louisiana-Texas Outer Continental Shelf
John C. Davis , John W. Harbaugh
AAPG Bulletin
... in its upper tail, the prospect appraisal may be seriously in error. If statistical relationships similar to those shown here for the Pleistocene...
1983
Buried-Hill Discoveries of the Damintun Depression in North China (1)
TONG XIAOGUANG and HUANG ZUAN
AAPG Bulletin
... nonsolid mud systems. Wells are completed with a tail pipe. The edges and bottom parts of the reservoirs have been flooded with water at 20 degrees C...
1991
Size distribution and dynamics of oil and gas field discoveries in petroleum basins
Alexey E. Kontorovich, Viktor I. Dyomin, Valery R. Livshits
AAPG Bulletin
... to predict reliably the sizes of the largest pools in a basin (the right-hand tail of the distribution). This fact should be considered in the exploration...
2001
Comparison of petroleum resource assessments of China by the U.S. Geological Survey and the China National Petroleum Assessment Team
Chenglin Liu, Changbo Che, Jie Zhu, Hulin Yang, Wenping Liu, Wei Zhao
AAPG Bulletin
... of undiscovered oil and gas accumulations: Does the tail wag the assessment?: Mathematical Geology, v. 34, no. 6, p. 767777, doi:10.1023/A...
2012
Challenge the Paradigm Part 1: HCS - Storm Wave Bedform or Deep Water Antidune
Dennis Meloche
Search and Discovery.com
..., coarse-tail graded Bouma Ta formed by internal hydraulic jump of the turbidity current?; Sedimentary Geology V. 219, pp. 1–6. Prave, A.R. and Duke...
Unknown
Ranges Path to Discovery and Commercialization of the Marcellus Shale - The Largest Producing Gas Field in the United States; #110165 (2013)
Jeffrey Ventura
Search and Discovery.com
... by the tail AAPG Convention – May 2013 24 Key Lesson #3 – DO THE RIGHT THING Early on, “best engineering practices” exceeded existing state...
2013
Diagenesis Severely Modified Reservoir Characteristics: A Unique Carbonate Reservoir from Alur Siwah Field, Indonesia; #20203 (2013)
Ricardo Maranu, Ismail Syarifuddin, Erham Adhitiawan, Nadia Nurul, Miftahurochman Miftahurochman, Ferry Baskaraputra, Luqman Luqman, Yudi Yanto, and Joan Lumban Tobing
Search and Discovery.com
.... This is expressed by a North-South fault with various vertical displacements that extended to the south, the Alur Kacang prospect, as a horse-tail...
2013
California and Other Modern Basin Floor Seismo-Turbidite Sedimentology: Implications for Active Tectonic Margin Stratigraphy and Reservoirs; #50814 (2014)
Hans C. Nelson, Chris Goldfinger, and Julia Gutierrez Pastor
Search and Discovery.com
... 10 cm Turbidite mud tail Sand pulse or stack Sand pulse or stack Sand pulse or stack 30 cm CONTINUOUS UPWARD GRADATION OF SAND TEXTURE & INTERNAL...
2013
Variability of Oil and Gas Well Productivities for Continuous (Unconventional) Petroleum Accumulations; #80281 (2013)
Ronald R. Charpentier and Troy A. Cook
Search and Discovery.com
... and for shale gas, and how coalbed gas generally has much lower means (but a high tail). Eliminating the coalbed-gas outlier changes this little. Figure 13 shows...
2013