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The AAPG/Datapages Combined Publications Database
Showing 7,671 Results. Searched 200,616 documents.
Freboldiceras from the Grand Rapids Formation of North-Central Alberta.
C. R. Stelck, J. W. Kramers
CSPG Bulletin
... but rounding to give suggestion of a slight shoulder before a broadly rounded venter. Umbilicus about one-quarter of diameter, wall steeply inclined...
1980
Size Frequency Distributions of Sediments
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
..., on the other hand, the mode is considered as falling exactly on one of the class limits. Here the modal group is split equally between two sieves...
1934
Burial Diagenesis and Reservoir Development in the North Haynesville (Smackover) Field, Louisiana
Wayne M. Ahr , H. Ben Hull
GCAGS Transactions
... burial. Equally important is the fact that there have been several episodes of pore-altering diagenesis in the Smackover, some early and at the surface...
1983
Factors Governing Estimation of Recoverable Oil Reserves in Sand Fields
O. L. Brace
AAPG Bulletin
... to permit extended discussion. The instance cited may be an isolated one and have little bearing on general conditions. The writer is inclined to think...
1934
Hydrodynamic Flow in the Lower Cretaceous Muddy Formation, Northeast Powder River Basin, Wyoming and Montana
R. R. Berg, G. M. Larberg, L. D. Recker
Wyoming Geological Association
... the oil column that can be trapped by capillary pressures. Downdip flow is equally effective at Gas Draw field (Lin, 1981). The capillary oil column...
1985
Sanaga Sud Field, Offshore Cameroon, West Africa: Chapter 14
Robert J. Pauken
AAPG Special Volumes
... 14 shows a well-calibrated seismic-based eastwest cross section that depicts strata inclined counter to the primary depositional dip. Dipmeter logs...
1992
Vertebrate trackways in the Parrsboro Formation (upper Carboniferous) at Rams Head, Cumberland County, Nova Scotia
David J. Mossman, Robert G. Grantham
Atlantic Geology
... 90 cm. Dimensions: The footprints o f trackway #1 are not equally well-impressed. Those on the left hand side o f the trackway are much less clearly...
1999
Reflections on the Interpretation of Heavy Mineral Analyses
Tj. H. Van Andel
Journal of Sedimentary Research (SEPM)
... End_Page 154------------------------ can be explained equally well as the result of mixing of sediments from various sources (van Andel, 1952...
1959
Permeability Anisotropy Effect in Reservoir Characterization: New Rock Typing Approach
Dedy Irawan, Falza Izza Wihdany, Kharisma Idea
Indonesian Petroleum Association
... is an inclined plane in case of vertical permeability and horizontal permeability of 90o also play a role in delivering fluid. INTRODUCTION The precipitation...
2019
Correlation Efficiency as a Tool to Better Determine Depositional Subenvironments in Submarine Fans
Arnold H. Bouma , Michael B. DeVries ,, Timothy W. Cook
GCAGS Transactions
.... A channel fill usually is identified as being massive, bedded with or without any vertical sequence trend, horizontally layered or inclined, thick or thin...
1993
Petrology and Source of Sediments in the Narragansett Basin of Rhode Island and Massachusetts
Kenneth M. Towe
Journal of Sedimentary Research (SEPM)
... fragments are commonly inclined to that plane. No plant fossils were found directly associated with cross-stratification. The significance...
1959
Older Rocks of Van Horn Region, Texas
Philip B. King
AAPG Bulletin
... of Carrizo Mountain schist in the conglomerate,(FOOTNOTE 16) but has seen none since, and is now inclined to doubt that they exist. Passing upward...
1940
Mechanical Analysis and Heavy Minerals, Morrison and Cloverly Formations, Southern Big Horn Mountains, Wyoming
Arthur Mirsky
Journal of Sedimentary Research (SEPM)
... or slightly inclined. No figure is obtainable. The mineral appears to be an alteration product. Results of Heavy-Mineral Study A series of histograms...
1961
Wind River Basin, Central Wyoming
R. Randy Ray, W.R. Keefer
Rocky Mountain Association of Geologists
... is particularly noticeable. The deltaic facies are represented by a series of high amplitude, inclined reflections which prograde basinward...
1985
Developments in Appalachian Area During 1940
Appalachian Geological Society
AAPG Bulletin
... attempts to set wedges and raise th inclination of the hole to horizontal were made in several inclined holes, but none was successful...
1941
Some Deductions on the Temporal Significance of Laminae Deposited by Current Action In Clastic Rocks
Alan V. Jopling
Journal of Sedimentary Research (SEPM)
... of a few seconds. This line of reasoning is elaborated below. Because lamina thickness is equally as important as transport rate when it comes...
1966
Outline of Chinese Geology
J. Marvin Weller
AAPG Bulletin
... been equally important during the Paleozoic era but comparatively little is known about the sediments which it contains. It is roughly comparable...
1944
Some Early Recollections of Geology at the University of Malaya: I, Singapore Days
Charles S. Hutchison
Geological Society of Malaysia (GSM)
... and change a tyre for him, for he was also not mechanically inclined. HUTCHISON would be the most appropriate term for the Johore rocks and I also brought...
1999
Morphology and Origin of Ripple-Drift Cross-Lamination, with Examples from the Pleistocene of Massachusetts
Alan V. Jopling, Roger G. Walker
Journal of Sedimentary Research (SEPM)
... streak steeply inclined to the right). With increasing asymmetry of the ripples, the sinusoidal ripple lamination passes upward into type B ripple...
1968
Normal Fault Structures and Others
Bailey Willis
AAPG Bulletin
... and progresses upward, dividing the layer into rhomboidal blocks. Theoretically we might expect them to be equally spaced, but that is assuming a homogeneous...
1946
Coordination of Seismic and Geologic Data in Poza Rica-Golden Lane Area, Mexico
D. W. Rockwell , Antonio Garcia Rojas
AAPG Bulletin
... with local geological conditions are inclined to follow a seismic horizon which lies within Tertiary beds in the southwest part of any transverse...
1953
Mineral Fluids and America's Future
Thomas B. Nolan
AAPG Special Volumes
... is a source of carbon dioxide; and crystalline solids in many instances are equally satisfactory sources of salines as the natural brines...
1965
Australian Coals as Feedstocks for Liquid Fuels
G. H. Taylor , H. K. Worner
AAPG Special Volumes
... are equally suitable; for example, coals with coking behavior can give problems in certain gasifiers. If the moisture content is very high this must...
1981
Directional Scours on a Transgressive Surface: Examples from the Silurian Whirlpool Sandstone of Southern Ontario, Canada
Richard J. Cheel , Gerard V. Middleton
Journal of Sedimentary Research (SEPM)
... fluvial unit, deposited by braided rivers on a paleoslope inclined to the NW, and an upper marine unit, consisting of interbedded sandstone and shale...
1993
Oriented Concretions, Ionian Coast, Italy: Evidence of Groundwater Flow Direction
E. F. Mcbride , M. Dane Picard , R. L. Folk
Journal of Sedimentary Research (SEPM)
...-stratified and ripple-cross-laminated beds. Concretions cut across foresets and inclined laminae. The standard deviations of long axes at each of six...
1994