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The AAPG/Datapages Combined Publications Database
Showing 12,578 Results. Searched 200,616 documents.
Phylogenetic and Taxonomic Problems of Some Tertiary Planktonic Foraminiferal Lineages: ABSTRACT
W. A. Berggren
AAPG Bulletin
... are distinguished from Subbotina and Globorotalia by a strongly spinose wall texture. Two, and possibly three, branches within this lineage appear to lead...
1966
Physical Techniques of Correlation Applied to Upper Ordovician Rocks of Southeastern Indiana: ABSTRACT
Henry H. Gray, George D. Brown, Jr., Jerry A. Lineback
AAPG Bulletin
... defined Tanners Creek Formation can not be distinguished on a strictly lithologic basis, and it is therefore included in the Dillsboro. The Lexington...
1966
Abstract: Geology and Evolution of the Northern Kara Sea Shelf, by A. Vinogradov; #91007 (1991)
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1991
Outline of Geology of Niger Delta: ABSTRACT
K. C. Short, A. J. Stauble
AAPG Bulletin
... the delta and each ranges in age from early Tertiary to Recent. A separate member of the Benin Formation is distinguished in the Port Harcourt area...
1966
Abstract: Evidence of Northwest-Southeast Directed Compression of Late Cenozoic Age in the Summit Diggings, San Bernardino County, California, by F. C. Monastero and C. F. Austin; #91009 (1991)
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1991
Paleozoic Age Determinations: ABSTRACT
Arthur J. Boucot, Leon T. Silver
AAPG Bulletin
... faunal zones can be distinguished consistently. Accepting present estimates for the duration of the Paleozoic in absolute time, this could provide...
1967
Educational Programs of American Geological Institute: ABSTRACT
John L. Snyder
AAPG Bulletin
... to visit foreign areas of classic or unusual interest under the guidance of distinguished geologists; 3-day short courses held just before national...
1967
Is There Longshore Drift Convergence on Central Padre Island, Texas?: ABSTRACT
Richard L. Watson
AAPG Bulletin
... sediment. On the basis of the distribution of this shell material, the writer has distinguished a southern province, a northern province, and a transition...
1967
Morphologic Studies of Fusulinids from Lower Permian of West Pakistan: ABSTRACT
Raymond C. Douglass
AAPG Bulletin
... distinct when compared by volution cannot be distinguished at equal radii. The biologic significance of the prolocular diameter needs reconsideration...
1968
Petroleum Reservoirs Among Evaporitic Rocks of Western Canada and Northern United States: ABSTRACT
J. G. C. M. Fuller
AAPG Bulletin
... on the petroleum occurrence. Two general evaporite facies suites can be distinguished: (1) coastal shoal/salt-flat suite, and (2) reef/salt-basin suite. 1...
1968
Grain-Orientation and Paleocurrent Systems in Medina Formation: ABSTRACT
I. P. Martini
AAPG Bulletin
... was nonhomogeneous. Utilizing a trial and error methodology homogeneous subpopulations were distinguished: 1. Subpopulations related to the type...
1968
Jurassic Geology of Alabama and Florida Panhandle: ABSTRACT
Marvin L. Oxley, Edward D. Minihan
AAPG Bulletin
... cannot be distinguished but the upper gray sandstone is considered to be a good exploration target. In Choctaw and northern Washington Counties, typical...
1968
Abstract: Petrologic Discrimination Between the Neogene Formations in Adams and Wilkinson Counties, Southwestern Mississippi, by K. F. Rhinehart and M. A. Meylan; #91014 (1992).
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1992
Dune Sediments: Characteristics, Recognition, and Importance: ABSTRACT
Joao Jose Bigarella
AAPG Bulletin
..., this value is somewhat less (20-29°) because of erosion which precedes deposition of the overlying set. Dune cross-beds are distinguished from other similar...
1969
Upper Devonian and Lower Mississippian Sedimentary Record, Western Canada Shelf: ABSTRACT
R. W. MacQueen
AAPG Bulletin
... detritus increases upward. Although colonial corals reappear in the Kinderhookian, the Mississippian lacks organic reefs. The Osagian is distinguished...
1969
Composition, Structure, and Erodability of Subtidal Mats, Abaco, Bahamas: ABSTRACT
A. Conrad Neumann, Conrad D. Gebelein, Terence P. Scoffin
AAPG Bulletin
... secretions plus fine algal filaments. Three mat types were distinguished: a fibrous Cladophoropsis mat, a gelatinous Lyngbya mat, and an aggregated...
1969
Lacustrine Criteria: ABSTRACT
M. Dane Picard, Lee R. High, Jr.
AAPG Bulletin
... environments commonly are distinguished readily by their fauna. Paleontologic differentiation of nonmarine environments is uncertain, however...
1969
Patterns of Calcification in Nacreous Layer of Pelecypods and Gastropods: ABSTRACT
Sherwood W. Wise, Jr.
AAPG Bulletin
.... Three distinct patterns of crystal formation and growth have been distinguished which are taxonomically significant. The pattern developed...
1969
Cyclicity in Upper Tertiary Basin-Margin Deposits of California Coast Ranges: ABSTRACT
Robert J. Stanton, Jr.
AAPG Bulletin
... framework within which genetic rock units can be distinguished at reservoir scale. Positions of shoreline, loci of deltaic deposition, and environmental...
1970
Limitations in Paleocurrent Analysis of Trough Cross-Stratification: ABSTRACT
R. H. Dott, Jr.
AAPG Bulletin
.... In simple cases, trough-sets yield bimodal histograms bisected by trough axes (which must be distinguished from other bimodal causes). Asymmetry...
1970
Biofacies Relations in Buda Limestone (Comanche Series, Cretaceous) of West and Trans-Pecos Texas: Paleogeographic and Paleobathymetric Implications: ABSTRACT
Solmaz Z. Erdogan, Bob F. Perkins
AAPG Bulletin
... east-west trending biofacies bands are distinguished. These facies approximately parallel the Cretaceous shoreline on the north and the axis...
1970
Transition from Fluviatile to Marine Sediments in Coomhola Group (Upper Devonian-Lower Carboniferous) of West Cork, Ireland: ABSTRACT
P. R. R. Gardiner
AAPG Bulletin
... are distinguished: (1) cyclic facies that become finer toward the top, interpreted to be stream deposits; (2) fine facies of rippled siltstone and mudstone, either...
1970
Channel Sequences and Braided-Stream Development in South Canadian River, Hutchinson, Roberts, and Hemphill Counties, Texas: ABSTRACT
L. G. Kessler, II, Fred G. Cooper
AAPG Bulletin
... system) are present in this part of the Canadian River valley, and are distinguished on aerial photographs and in the field by vegetational changes...
1970
Geologic Structure and History of Polar Urals, Pay-Khoy, Novaya Zemlya, and Northern Pechora Depression: ABSTRACT
V. I. Bondarev, B. S. Romanovich, S. V. Cherkesova, V. S. Enokyan
AAPG Bulletin
... the following structural elements are clearly distinguished: (a) the Polar Urals with an adjacent foredeep of the Urals type; and the Pay-Khoy anticlinorium...
1970
Epi-Paleozoic Horst-Anticlinoria and Shelf Troughs of Arctic Margin of Eurasia: ABSTRACT
V. D. Dibner
AAPG Bulletin
... may be distinguished; their presence proves the development of oceanization of the Arctic margin of Eurasia and the origin of the deep-water Arctic...
1970