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The AAPG/Datapages Combined Publications Database
Showing 3,960 Results. Searched 200,619 documents.
A Field Guide to Portions of the Jurassic Fernie-Kootenay Trans-Canada Highway Section, Banff, Alberta: New Sedimentological and Structural Observations and Interpretations: REPLY TO DISCUSSION
Douglas J. Cant, Glen S. Stockmal
CSPG Bulletin
... Circle (Upper Jurassic and [?]Lower Cretaceous): Field guide to rock formations of southern Alberta (stratigraphic sections guidebook). Canadian Society...
2000
Developments in Rocky Mountain Region in 1942
R. M. Larsen
AAPG Bulletin
... completed in 25 fields, with South Oregon Basin, Lance Creek, and Circle Ridge leading with a total of 50, and Byron, Cole Creek, Frannie, La Barge...
1943
Photography of Megafossils: DISCUSSION
Floyd K. Beach
AAPG Bulletin
... and unserviceable, but will stay open, there is no harm done for this purpose. End_Page 620------------------------------ In focussing, the "circle...
1946
Shape Development On Tahiti-Nui
James E. Dobkins, Jr. , Robert L. Folk
Journal of Sedimentary Research (SEPM)
... of sample sites. Hills hachured; coastal plain dotted; reef shown by sawtooth line; actual measurement site shown by circle. Papeete and Pt. Venus...
1970
Rubidium Detected with X-ray Fluorescence Spectrometry: A New Semi-Quantitative Assessment of Clay Content in Sedimentary Rocks
Franz L. Kessler, R. Nagarajan
Geological Society of Malaysia (GSM)
...; sandstone – open circle). Figure 4: Rb (ppm) vs. gamma ray (c/min) showing a significant correlation for clastic and carbonate sediments (claystone...
2013
Determining the Channel Sinuosity of Ancient Fluvial Systems from Paleocurrent Data
J.P. Le Roux
Journal of Sedimentary Research (SEPM)
.... 1A). This relationship can therefore be used to link current vectors to channel sinuosity. If part of a circle is chosen to represent a single meander...
1992
Chapter 29: Stratigraphic Architecture and Depositional Evolution of a Levee to Proximal Crevasse-splay to Channel-fill Succession: Units 13 and 14, Castle Creek North, Isaac Formation, Windermere Supergroup, British Columbia, Canada
R. W. C. Arnott
AAPG Special Volumes
... complete turbidites (S1.1–S1.4), interpreted to be overbank-splay deposits. Person for scale in white circle. Figure 5. Sharp contact (arrow...
2007
Influence of Basin Dynamics on Upper Devonian Black Shale Deposition, Western New York State and Northwest Pennsylvania, By Gary G. Lash , #00000 (2007).
Search and Discovery.com
2007
The Middle Devonian Marcellus Shale - a Record of Eustacy and Basin Dynamics; #30104 (2009)
Gary G. Lash and Terry Engelder
Search and Discovery.com
...), the upper unit of Oatka Creek Shale (thickness in in feet). The red circle the Marcellus Shale. well 22963; dashed yellow line denotes an axis from...
2009
The Intrinsic Effect of Shape on Retrogradation Motif and Timing of Drowning: An Example from a Frasnian Carbonate Pinnacle Reef System, Bugle Gap, Canning Basin, Western Australia, #30096 (2009)
Erwin W. Adams, and Claude-Alain Hasler
Search and Discovery.com
.... Height (m) Theoretical considerations – margin angle Area (km2) 500m 0.581km2 75° 1km2 Aspect ratio: 1/1 (circle) 0.066km2 50° 1km2 Theoretical...
2009
Unifying Threads of Southeast Mexicos Discovery Processes, #70341 (2018).
Javier J. Meneses-Rocha
Search and Discovery.com
... circle. Induction: Discoveries at the Cap Rock of Salt Domes This first period, as well as the period to follow, was outlined by closely linked...
2018
Mesozoic Apparent Polar Wander and Plate Motions of North America
Maureen B. Steiner
Rocky Mountain Section (SEPM)
... if the circle of ninety-five percent (α95) confidence is small, usually less than 25°. Frequently, in calculating pole positions from stratigraphic...
1983
Strontium Isotope Analysis and Structural Interpretation of Pnyang Anticline, Papuan Fold Belt, Western Highlands Province, Papua New Guinea
Len Eisenberg
Papua New Guinea (PNG) Petroleum Convention Proceedings
...; Eisenberg, 1995) (Fig. 2). In this author’s work an error circle is posted on cross sections at each depth-to-base-Darai point, the diameter of the circle...
1996
GEOLOGIC AND HYDROLOGIC INVESTIGATIONS IN SELECTED CAVES, MADISON COUNTY, ALABAMA
Karen F. Rheams, Paul H. Moser
Alabama Geological Society
...----------------~~~....-----~·E Number of feet measured - 37.710 Circle- 25 % Figure 4.--Rose diagram of passage orientations for 20 selected caves...
1993
Chemical Characteristics of Some Crude Oils from the Santa Maria Basin, California
Leslie B. Magoon, Caroline M. Isaacs
Pacific Section SEPM
... circle is normal oil, half solid circle indicates partially degraded oil, and solid circle is degraded oil. 210 API GRAVITY 10 1 20 The Cat Canyon...
1983
Field Trip Road Log
H. H. Doelling
Utah Geological Association
... to the right, Wingate Sandstone outcrops. 0.5 47.8 Enter Circle Cliffs area, elevation about 5,680 ft. 0.5 48.3 Good view of stratigraphy from north...
1980
Heteropody index: a square peg in a round hole?
E. Catherine Strickson
PALAIOS
... (L3W) as an area estimate for basic shapes and animal footprints, was tested against two other area calculations, the area of a circle: pr2...
2022
A Modified Logarithmic Probability Graph for the Interpretation of Mechanical Analyses of Sediments
George H. Otto
Journal of Sedimentary Research (SEPM)
... on the graph corresponding to =3.75 and locate the circle one-fifth of the distance between the 3.0 and 3.5 per cent lines. Locate the next...
1939
Pore-Scale Characterization of Shales Using Dendroidal Theoretical Pore-Network Model
Da Zheng, Yuliana Zapata, Zulfiquar A. Reza
Unconventional Resources Technology Conference (URTEC)
... or cylinders (Fig. 3). For rectangles, we require the length of two adjacent sides (𝑎 and 𝑏), and for circle, its radius ( 𝑟). The triangles need three...
2018
Assessment of In-situ Proppant Placement in SRV Using Through-Fracture Core Sampling at HFTS
Debotyam Maity, Jordan Ciezobka, Sarah Eisenlord
Unconventional Resources Technology Conference (URTEC)
.... Then for each “edge” point in the original space, we can formulate a circle in the parameter space and increase the voting number of the grid cell through which...
2018
Seal Failure Related to Basin-scale Processes
Christian Hermanrud, Hege M. Nordgrd Bols, Gunn M. G. Teige
AAPG Special Volumes
... failure is initiated when Mohr's circle touches the failure envelope. This can happen either because the pore pressure is increased (circle moves...
2005
Applications of Machine Learning for Estimating the Stimulated Reservoir Volume (SRV)
Ali Rezaei, Fred Aminzadeh, Eric VonLunen
Unconventional Resources Technology Conference (URTEC)
... the magnitude of the selected variable. For example, a bigger circle means that the stage number is bigger (i.e., closer to the heel). Figure 9a shows...
2021
Chapter 11: Facies, Fractures, Pressure, and Production in the Eagle Ford Shale (Cretaceous) between the San Marcos Arch and the Maverick Basin, Texas, U.S.A.
John A. Breyer, Richard A. Denne, Tobi Kosanke, Joan M. Spaw, Jonathan Funk, Pete Christianson, Debbie A. Bush, Ronald A. Nelson
AAPG Special Volumes
... m). Red circle marks area of lower production in western Karnes County. From Denne and Breyer (2016, their figure 17). Pink arrow lies along axis...
2016
Global Patterns in Opal Deposition from Late Cretaceous Late Miocene
K. J. Miskell, G. W. Brass, C. G. A. Harrison
AAPG Bulletin
... accumulation rates 75-65 Ma, in gm/cm2/1,000 yr. Map symbols are: open circle with cross = hiatus; open circle = opal accumulation rate of 0.0; one-quarter...
1985
Annotated Bibliography of Utah Tar Sand Deposits (OFR-503)
J. Wallace Gwynn, Francis V. Hanson
Utah Geological Survey
... Counties, and Circle Cliffs in eastern Garfield County. Some deposits, like the San Rafael Swell deposit in Emery County, consist of numerous smaller...
2009