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The AAPG/Datapages Combined Publications Database
Showing 12,578 Results. Searched 200,616 documents.
Morphologic Variation in Recent Planktonic Foraminifera: ABSTRACT
Alan D. Hecht, Robert G. Douglas
AAPG Bulletin
.... trilobus and G. sacculifer distinguished by the presence or absence of a saclike final chamber show the 2 phenotypes to be statistically similar. Within...
1971
Late Pleistocene Biostratigraphy and Paleoclimate of Gulf of Mexico Deep-Sea Cores: ABSTRACT
Paul F. Huddlestun, James P. Kennett
AAPG Bulletin
... Gulf of Mexico have been examined in detail and show that most of the 28 species or forms distinguished in these cores show quantitative trends...
1971
Bioclastic Sediment Dispersion Off Bermudan Patch Reefs: ABSTRACT
Clifton F. Jordan, Jr.
AAPG Bulletin
... (excluding Homotrema) increases. Interreef lagoons are distinguished from open lagoons by a lower molluscan content in the sediment. Because...
1971
Submerged Reefs of Eastern Caribbean: ABSTRACT
Ian G. MacIntyre
AAPG Bulletin
... counterparts. These reefs are distinguished from modern reefs in that they are present at depths greater (below about 15 to 20 m) than are commonly associated...
1971
Petroleum Possibilities of Central and South Afghanistan: ABSTRACT
Alfred Schreiber, Dietrich Weippert, Hanspeter Wittekind, Reinhold Wolfart
AAPG Bulletin
... and south Afghanistan the following blocks can be distinguished: East Iran-Central Afghan unit with the Farah block, Helmand block, and Seistan block...
1971
Continuity of Pliocene Turbidite Sandstones, Ventura Area, California, with Applications to Supplemental Recovery: ABSTRACT
Alan F. Thomson
AAPG Bulletin
... permeabilities (several thousand millidarcys). Three classes of turbidite packages were distinguished based on internal arrangement of sandstone...
1971
Texture of River and Beach Sediments Seaward from Active Volcanic Highlands, Southwestern Guatemala: ABSTRACT
W. D. Kuenzi, R. V. McGehee
AAPG Bulletin
... minerals. River sands can be distinguished from beach sands by plotting mean size versus sorting, by coarsest percentile (C) versus median percentile (M...
1972
Abstract: The Rotliegende Sedimentation History of the Southern North Sea and Adjacent Countries, by J-P. Verdier; #90990 (1993).
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1993
Geopetal Fabrics: Important Aids for Interpreting Ancient Reef Complexes: ABSTRACT
P. E. Playford, A. E. Cockbain
AAPG Bulletin
... in these rocks. In addition, allochthonous blocks of reef that have been incorporated in forereef and basin deposits can be distinguished from in-place...
1972
Distribution of Forms of Millepora (Hydrozoa) on Recent Coral Reef, Barbados: ABSTRACT
C. W. Stearn, R. Riding
AAPG Bulletin
... be distinguished: (1) encrusting (taking the form of the substrate), (2) boxwork (erect, short-curved coalescing plates with irregular nodose surfaces), (3) bladed...
1972
Provincialism Exhibited by Ordovician Conodont Faunas: ABSTRACT
W. C. Sweet, S. M. Bergstrom
AAPG Bulletin
... well-distinguished provinces were delineated by distribution of conodonts in the northern hemisphere. One, the North Atlantic province, includes all...
1972
Inferred Diagenetic History of Weakly Silicified Deep-Sea Chalk: ABSTRACT
S. W. Wise, K. R. Kelts
AAPG Bulletin
... for the weakly silicified condition of part of the chalk. Clinoptilolite, a second authigenic silicate in the chalk, is readily distinguished in scanning...
1972
Comparative Compositional Studies of Organic Matter in Various Deep-Sea Drilling Project Cores: ABSTRACT
A. L. Burlingame, Bernd R. Simoneit
AAPG Bulletin
... suggest that planktonic versus terrigenous components in the total extractable organic matter may be distinguished. The biologic markers of terrestrial...
1973
Quantitative Petrology and Depositional Environments Within Essentially Isochronous Units of Detrital Sediment, Upper Devonian, New York: ABSTRACT
Frank G. Ethridge
AAPG Bulletin
.... In addition to these general trends, different sedimentary environments with similar mean sizes of quartz grains are distinguished on the basis of differences...
1973
Petrology and Hydrocarbon Potential of Mississippian Ratcliffe Beds in South-Central Saskatchewan, Canada: ABSTRACT
Laszlo M. Fuzesy
AAPG Bulletin
... of diagenesis and porosity-permeability in each of 8 rock types distinguished. Structural considerations are introduced and hydrocarbon potential assessed...
1973
Role of Geologist in Environmental Impact Study: ABSTRACT
A. H. Bouma, B. W. Holliday, C. W. Poag, G. L. Hall, B. S. Appelbaum
AAPG Bulletin
.... Nevertheless, certain consistent patterns can be distinguished on the bay bottom as well as in the shallow subsurface. Heavy-mineral distributions...
1973
Errors in Pre-Holocene Carbon-14 Scale: ABSTRACT
F. W. Stapor, W. F. Tanner
AAPG Bulletin
.... Regardless, there is no standard by which "good" dates can be distinguished from "bad" dates. A suite of samples which has been dated by both C-14 and K...
1973
Geologic Map of Pacific Mobile Belt and Pacific Ocean: ABSTRACT
L. I. Krasny, P. L. Bezrukov
AAPG Bulletin
.... The following series are distinguished: alkaline and alkaline-earth, the series of high-aluminia basalts, calc-alkaline, tholeitic, and others. Various...
1974
Structural Evolution of Mesozoic and Cenozoic Basins in Western North America: ABSTRACT
E. R. Orwig, Jr.
AAPG Bulletin
... American segment of the Circum-Pacific east of the Aleutian Trench is distinguished from adjoining segments by the absence of an oceanic trench and the lack...
1974
Deposits of Bolivian Tin Belt: ABSTRACT
S. Rivas
AAPG Bulletin
... 1,000 km. Three metallogenetic cycles of different age can be distinguished. The oldest is in the northern part of the High Cordillera and is related...
1974
Paleozoic Reservoirs West Siberian Basin, by N. D. Zapivaloy; #90986 (1994).
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1994
Abstract: Seismosaurus, Mammoths, and the Real Jurassic Park, by David D. Gillette; #90985 (1994).
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1994
Abstract: Gastroliths, Rigor Mortis, and Taphonomy of the Seismosaurus Site, by David D. Gillette; #90985 (1994).
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1994
Mid-Cretaceous Calcareous Nannoplankton Paleobiogeography and Paleo-oceanography of Atlantic Ocean: ABSTRACT
J. L. Bowdler, P. H. Roth
AAPG Bulletin
... carbonate dissolution was most pronounced. Neither austral nor boreal nannoplankton assemblages could be distinguished. During late Albian to Cenomanian...
1979
Dolomitization Models from Early Precambrian Sequence in South Africa: ABSTRACT
Kenneth A. Eriksson
AAPG Bulletin
...; this is distinguished from an active northwestern basin margin along which banded iron formations precipitated in lagoons behind clastic-textured carbonate barriers...
1979