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The AAPG/Datapages Combined Publications Database
Showing 1,379 Results. Searched 195,372 documents.
Recognizing Fossil Strand Lines From Grain-size Analysis: DISCUSSION
Anil Lyall, James Shearer
Journal of Sedimentary Research (SEPM)
..., curves 4, 5, 6). These results do not coincide with those advocated by Chappell. The parallelism of curves in this figure 3 is not expected when...
1969
Quantitative Sedimentologic Application for Dipmeter Data: ABSTRACT
Marian J. Furst
AAPG Bulletin
... quantitative analysis. This new program computes curves that provide measures of the thickness between dip correlations, planarity of correlations...
1985
A Study of Textural Changes in a Beach by Repeated Samplings
Marshall Schalk
Journal of Sedimentary Research (SEPM)
... that a parallelism of trend is indicated. Station C.--At this station the median curves show a distinct parallelism. With a variation in median from 0.24 to 0.34 mm...
1946
Settling Velocities of Quartz and Tourmaline in Eolian Sandstone Strata
James R. Steidtmann, Harry C. Haywood
Journal of Sedimentary Research (SEPM)
... for quartz, tourmaline, and all other heavy minerals together from several preliminary samples. The general parallelism of these curves, and the parallelism...
1982
Micro-Mechanisms of Sedimentation in the Epicontinental Environment
Albert V. Carozzi
Journal of Sedimentary Research (SEPM)
... last a very short time (fig. 13B); these conditions are clearly displayed when the curves are compared to one another. In other instances, however...
1958
A Sedimentological Continuum Occurring through Geologic Time: A Study for students
B. R. Pelletier
Atlantic Geology
... in grain size in the direction of transport is apparent, as is the parallelism of the curves with each other. THE TIME INTERVAL OF A GEOLOGIC PERIOD...
1980
Hydrocarbons in Non-Reservoir Rocks--Source Beds: ABSTRACT
Ellis E. Bray
AAPG Bulletin
.... There is a parallelism between amount of organic carbon, quantity of hydrocarbons, frequency of occurrence of dispersed oil in non-reservoir rock, and the occurrence...
1964
Interpretation of Fossil Fluvial Bivalve Burrows in Catskill Formation, Based on Analogy with Margaritifera margaritifera (L.): ABSTRACT
Richard E. Thoms, Thomas M. Berg
AAPG Bulletin
... preferential curvature, cross-sectional ellipse parallelism, and internal asymmetric crescentic features. Vectorial analysis of these features has been based...
1980
A Note on Thin Section Mechanical Analysis: NOTES
Sudhir Basumallick
Journal of Sedimentary Research (SEPM)
.... Both the long-diameter and short-diameter for each grain are measured and cumu ative curves are drawn showing each type of distribution (fig. 2), phi...
1964
Drainage Analysis in Geologic Interpretation: A Summation
Arthur David Howard
AAPG Bulletin
... transitions from dendritic to parallel drainage. Transitional types also may result from changes with time. The change toward parallelism might result...
1967
Limitations of Reflection Seismograph
L. E. Nugent, Jr.
AAPG Bulletin
... plots of these first arrivals has the slope 1/V1. If the line is extrapolated to the shot point, the intercept represents the average delay time...
1953
Size Frequency Distributions of Sediments and the Normal Phi Curve
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
... implications of normal phi curves are given, in terms of environmental factors which may control them. CAMP, B. H., 1931, The mathematical part of elementary...
1938
Fore-Reef Petrography of the Silurian Richvalley Reef, Indiana
Albert V. Carozzi, John B. Hunt
Journal of Sedimentary Research (SEPM)
... to microfacies 5. The detrital supply was regular, accounting for the parallelism between the curves of size and frequency. This rather peculiar origin...
1960
Abstract: Feldspar Diagenesis in Texas Gulf Coast Shales: Parallelism with the Smectite to Illite Transition, by R. L. Freed and D. R. Peacor; #90987 (1993).
Search and Discovery.com
1993
The Process of Deposition of the Salina Salt of Michigan
Louis F. Dellwig
Journal of Sedimentary Research (SEPM)
... with solar salt and artificially produced grainer salt reveals similarities in the crystals which necessitate a parallelism of genesis. Additional...
1954
Relationships between Initial Porosity of Tertiary Argillaceous Sediments and Paleosalinity in the Rheintalgraben (SW-Germany)
Dietrich Heling
Journal of Sedimentary Research (SEPM)
.... A striking parallelism between the curves of salinity and porosity is evident. The modified initial porosity of the saline Lymnaenmergel and Lower...
1969
Microstructure of Unconsolidated and Consolidated Marine Sediments
Frederick A. Bowles, William R. Bryant, Charles Wallin
Journal of Sedimentary Research (SEPM)
... again, and so on. The results of the test are plotted as void ratio (e) versus log pressure (p) curves with the pressure given in Kg/cm2. For a complete...
1969
System in Photogeology
Ronald R. Hartman , Kalman N. Isaacs
AAPG Bulletin
... dendritic, but local parallelism is common due to joint control. Gullies that develop in the soil mantle are steep-sided. The area is usually forested...
1958
Salients, Recesses, Arcs, Oroclines, and SyntaxesA Review of Ideas Concerning the Formation of Map-view Curves in Fold-thrust Belts
Stephen Marshak
AAPG Special Volumes
...Salients, Recesses, Arcs, Oroclines, and SyntaxesA Review of Ideas Concerning the Formation of Map-view Curves in Fold-thrust Belts Stephen Marshak...
2004
Fossil Diversity in Thin Section
Richard Smosna, Steven Warshauer
Journal of Sedimentary Research (SEPM)
... Biology, v. 13, p. 131-144. SANDERS, H. L., 1969, Benthic marine diversity and the stability-time hypothesis: In Diversity and stability in ecological...
1978
Computer-Generated Corelike Descriptions from Open-Hole Logs (1)
HERVE ANXIONNAZ, PIERRE DELFINER, and JEAN PIERRE DELHOMME
AAPG Bulletin
... microresistivity curves. The various descriptive elements then are analyzed and combined using geological information encoded as rules or knowledge...
1990
Mechanical Factors Affecting Stimulation Design in Devonian Gas Shale: ABSTRACT
William J. Gregg, T. H. Mroz
AAPG Bulletin
... fractures throughout the basin was generally parallel to the trend of Paleozoic tectonic structure. This parallelism, as well as the details...
1983
Fracture Phenomena in the Waterways and McMurray Formations, Athabasca Oil Sands Region, Northeastern Alberta
E. A. Babcock
CSPG Bulletin
... paralleling the meander curves. At station 3-20 there is close parallelism between northwest-striking joints and the bank of a minor channel connecting...
1975
Validity of Polar and Continental Movement Hypotheses Based on Paleomagnetic Studies
J. W. Northrop III , A. A. Meyerhoff
AAPG Bulletin
...------------------------------ curves (Fig. 1) illustrate this belief. The two curves lie 3,000 to 5,000 km apart until Mesozoic time. This separation usually is explained...
1963
Cross-Laminations in Graded Bed Sequences
K. Jinghwa Hsu
Journal of Sedimentary Research (SEPM)
... curves of a few selected samples are shown in figure 3. Petrographically, they are more similar to what has been called arkose than to what has been...
1964