Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 800 Results. Searched 195,538 documents.
A Textural Study of the Outer Beach of Cape Cod, Massachusetts
Marshall Schalk
Journal of Sedimentary Research (SEPM)
... the curves. Comparison of samples is based on the median diameter and the coefficients of sorting and skewness, following Trask (1). Where Q1 and Q3...
1938
Origin of the Cabo Rojo Beach-Ridge Plain, Veracruz, Mexico
Frank W. Stapor, Jr.
GCAGS Transactions
..., 475 p. Martins, L., 1965, Significance of skewness and kurtosis in environmental interpretation: Jour. Sed. Petrol., v. 35, n. 3, p. 768-770. Mason...
1971
EXTENDED ABSTRACT: Hydrologic Differences Arising from Source Material Differences Between Southwestern Louisiana Aquifers and their Age Equivalents in Southeastern Louisiana
Carlson, Douglas and Milner, Riley
GCAGS Transactions
... will be determined for about 5000 sieved samples, each aquifer has over 400 tests. In general, median, standard deviation, skewness and kurtosis...
2004
Grain-Size Characteristics of Linear Dunes in the Southwestern Kalahari
N. Lancaster
Journal of Sedimentary Research (SEPM)
... the better-sorted end of the range, although the amount of comparative data is very limited. Skewness A wide range of skewness values (SkI...
1986
Textural Differences Between Two Types of Shoestring Sands
John J. W. Rogers, Cyrus Strong
GCAGS Transactions
... of the studied river samples have a "tail" of fine material (fig. 1, curve A), resulting in a positive skewness, though a few appear to have...
1959
The Computerized Particle Size Analyzer: An Exploration Technique, St. Mary Field, Lafayette County, Arkansas
Thomas L. Ham , Raymond P. Bruce
GCAGS Transactions
... Vol. 34 (1984), Grain size frequency and cumulative weight percentages, mean grain size, standard deviation and skewness provide the geologist...
1984
Eolian Components in Cretaceous and Tertiary North Atlantic Sediments
Andrew Lever, I. Nicholas McCave
Journal of Sedimentary Research (SEPM)
... and the mean, standard deviation, and skewness were obtained using Folk and Ward's (1957) graphical methods. Several samples were also examined by scanning...
1983
PHi Mean and Phi Standard Deviation of Grain-size Distribution in Sediments: Method of Moments
Mounir T. Moussa
Journal of Sedimentary Research (SEPM)
... of statistical parameters of grain-size distribution of sediments. The phi mean and phi standard deviation (and also skewness and kurtosis) are computed directly...
1977
The Effects of Sediment Transport on Grain-Size Distributions
Patrick McLaren, Donald Bowles
Journal of Sedimentary Research (SEPM)
..., sorting, and skewness) describing grain-size distributions have long been used to speculate on the direction of sediment transport. We present...
1985
Ascendancy of Continuous Profiles of Grain-Size Distribution for Depositional Environment Studies; #41441 (2014)
Gamal R. Gaafar, M. Mehmet Altunbay, Adriaan Bal, Norfazlina B. Anuar
Search and Discovery.com
...; mean, median, sorting, skewness, kurtosis and the standard deviation. Historically, exhaustive studies of correlations between these features...
2014
Bottom Sediments of Port au Port Bay, Newfoundland
J. I. Shearer
Atlantic Geology
... samples must_ be examined, As well as this type of analysis, the regular statistical parameters of mean, standard deviation, skewness and kurtosis are being...
1967
Shoal-Water Deposits of the Bermuda Banks
Jean P. Todd
Journal of Sedimentary Research (SEPM)
... plotted as cumulative curves, and the median, and Trask's (1932) coefficients of sorting and skewness were determined. These are recorded in Table 1. From...
1939
Abstract: Sedimentary Facies, Structures, and Grain-Size Distribution--Red River in Oklahoma and Texas, by Daniel E. Schwartz; #90965 (1978).
Search and Discovery.com
1978
Phi-millimeter Conversion Table
Harry G. Page
Journal of Sedimentary Research (SEPM)
... of the measures used in mechanical analyses, such as median diameter, quartiles, percentiles, and coefficients of sorting, skewness, and kurtosis...
1955
ABSTRACT: An Estimate of the Minimum Number of Measurements Needed to Constrain the Mean Random Vitrinite Reflectance of Disseminated Organic Matter
Charles E. Barker and Mark J. Pawlewicz
The Society for Organic Petrology (TSOP)
... is to compute the reflectance distribution parameters, mean, variance, kurtosis, and skewness. as the number of reflectance measurements increases. Reflectance...
1992
Comparison of Phi Percentile Deviations
William F. Tanner
Journal of Sedimentary Research (SEPM)
.... or by any other suitable identification. If a sample is unimodal, without skewness, the size distribution generally plots, as is well known, as a straight...
1958
Lithostratigraphy and Petrology of Neogene and Pleistocene Sedimentary Rocks, South-Central Mississippi
Zebao Li , Maurice A. Meylan
GCAGS Transactions
... of the Terrace Deposits are unique in displaying a negative value of skewness. Like the Citronelle, clays of the Terrace Deposits consist of kaolinite...
1994
ABSTRACT: Vertical Grain-Size Progressions as an Aid in Depositional Environment Interpretation of Queen City Formation (Eocene), East Texas, by Elizabeth Ann Watkins and John B. Anderson; #91042 (2010)
Search and Discovery.com
2010
A Textural Inversion Phenomenon Within Lower Jurassic Red Beds of the Ardon Formation, Makhtesh Ramon, (Israel)
Ron Goldbery
Journal of Sedimentary Research (SEPM)
... sedimentation while the latter is believed to represent a low energy environment of deposition. Negative skewness values (-0.172), together with low...
1979
Tidal Current Ridges in the Southwestern Yellow Sea
Liu Zhenxia, Huang Yichang , Zhang Qinian
Journal of Sedimentary Research (SEPM)
.... Cumulative frequency curves show that the better sorted saltation population of the sands is dominant with 70-95% and has positive skewness (Fig. 4...
1989
A Critique of the "McLaren Method" for Defining Sediment Transport Paths: REPLY
Patrick McLaren, Donald Bowles
Journal of Sedimentary Research (SEPM)
... that there may be inherent relationships between mean grain size, sorting and skewness and therefore our statistical test may be inadequate...
1991
Abstract: Lithostratigraphy and Petrology of Neogene and Quaternary Sediments, South-Central Mississippi, by Z. Li and M. A. Meylan; #90983 (1994).
Search and Discovery.com
1994
Abstract: Oil Exploration Analysis of Recent Carbonate Facies, by H. J. Mitchell-Tapping; #90932 (1998).
Search and Discovery.com
1998