Late Eocene to early Oligocene calcareous nannofossils in Alabama and Mississippi
Laurel M. Bybell
1982, Gulf Coast Association of Geological Societies Transactions (32) 295-302
No abstract available....
Validation of Blackites trochos
Laurel M. Bybell
1982, INA Newsletter (4) 101
No abstract available....
Biostratigraphy and paleoecology of lower Paleozoic, upper Cretaceous, and lower Tertiary rocks in U.S. Geological Survey New Madrid test wells, Southeastern Missouri
N. O. Frederiksen, Laurel M. Bybell, R. A. Christopher, A. J. Crone, L. E. Edwards, T. G. Gibson, J. E. Hazel, J.E. Repetski, D. P. Russ, C. C. Smith, L. W. Ward
1982, Tulane Studies in Geology and Paleontology (17) 23-45
The paleontology and biostratigraphy of Tertiary, Cretaceous, and Paleozoic rocks in the upper Mississippi embayment are incompletely known because marine fossils are only locally present in these rocks. This study concerns material from two U.S. Geological Survey test wells drilled in New Madrid County, southeastern Missouri, as part of earthquake...
Paleocene-Eocene boundary in the eastern Gulf Coast
N. O. Frederiksen, T. G. Gibson, Laurel M. Bybell
1982, Gulf Coast Association of Geological Societies Transactions (32) 289-294
No abstract avaiable....
Paleocene to middle Eocene stratigraphy of Alabama
T. G. Gibson, E. A. Mancini, Laurel M. Bybell
1982, Gulf Coast Association of Geological Societies Transactions (32) 449-458
No abstract available....
Kinematic evolution of the junction of the San Andreas, Garlock, and Big Pine faults, California
Robert G. Bohannon, David G. Howell
1982, Geology (10) 358-363
If the San Andreas fault with about 300 km of right slip, the Carlock fault with about 60 km of left slip, and the Big Pine fault with about 15 km of left slip are considered to have been contemporaneously active, a space problem at their high-angle junctions becomes apparent....
Strata-bound sulfide deposits, wall-rock alteration, and associated tin-bearing minerals in the Carolina slate belt, South Carolina and Georgia
Henry Bell
1982, Economic Geology (77) 294-311
Massive sulfide deposits, gold deposits, and tin-bearing minerals occur in rocks of the Carolina slate belt in South Carolina and adjacent Georgia. The belt of greenschist metamorphic rocks in which the ore deposits occur is mostly Cambrian in age. It is divided into an upper metasedimentary unit and a lower...
Miocene actinommid Radiolaria from the equatorial Pacific
J. R. Blueford
1982, Micropaleontology (28) 189-213
Actinommids (spumellarian Radiolaria) are a group of microfossils in which taxonomy and phylogeny hitherto have been based on features of morphology that change with the growth of individuals. To make Miocene actinommids from the equatorial Pacific useful in biostratigraphy, paleocenography, and paleoecology, ontogenetically invariant morphological features can be analyzed by...
The emplacement of ophiolites by collision
Zvi Ben-Avraham
1982, Journal of Geophysical Research (87) 3861-3867
Ophiolites, recognized in most of the world's orogenic belts, are generally interpreted to be oceanic crust and upper mantle (lithosphere) fragments that have been incorporated into continental margins at consuming plate boundaries. We suggest that the mechanism for ophiolite emplacement is the same in both the Alpine and Andean-type orogenes....
Citation analysis of principal sedimentology journals; discussion
Marc W. Bodine
1982, Journal of Sedimentary Research (52) 693-693
No abstract available...
Hazard analysis on the Mid-Atlantic Continental Slope, DCS lease sale 59 Area
Alex P. Cardinell, Frederick R. Keer
1982, Conference Paper, Offshore Technology Conference
A multi-parameter high-resolution seismic survey covering 253 offshore lease blocks was undertaken for analysis of critical structural and depositional features and a suite of piston cores was examined for geotechnical properties on the Mid-Atlantic continental slope in the OCS Lease Sale 59 area. The analysis of this data revealed complex...
The sea slope problem revisited
Robert O. Castle, M.R. Elliott
1982, Journal of Geophysical Research B: Solid Earth (87) 6989-7024
Discrepancies in sea surface topography based on comparisons between the results of steric leveling and repeated geodetic levelings have identified what is known as the ‘sea slope problem.’ This problem is actually twofold: (1) the sea surface relief based on steric leveling differs significantly from that based on geodetic leveling...
Geologic hazards in Navarin Basin Province, Northern Bering Sea
Paul R. Carlson, Herman A. Karl, Jeffrey M. Fischer, Brian D. Edwards
1982, Conference Paper, Proceedings- Offshore Technology Conference
Navarin Basin, scheduled for leasing in 1984 (OCS sale 83), may contain vast accumulations of oil and gas. Several geologic and oceanographic processes that may be active in and around Navarin Basin province could be hazardous to commercial development. These potential hazards include submarine slides; sea-floor instability resulting from disturbance...
Use of packrat middens to determine rates of cliff retreat in the eastern Grand Canyon, Arizona
Kenneth L. Cole, Larry Mayer
1982, Geology (10) 597-599
Packrat midden data can be used to calculate rates of cliff retreat by relating midden age to the distance between cliff face and midden. Regression analysis using 14 radiocarbon-dated packrat deposits from the Mississippian Redwall Limestone in the eastern Grand Canyon suggests that the Redwall has been retreating at an...
Sedimentation, metamorphism and tectonic accretion of the Franciscan assemblage of northern California
M. Clark Blake Jr., A. S. Jayko, D. G. Howell
1982, Book chapter, Geological Society, London, Special Publications
The dynamic environment of the ocean floor
Kent A. Fanning, Frank T. Manheim, editor(s)
1982, Book
No abstract available...
Volume of organic-rich Devonian shale in the Appalachian Basin: relating "black" to organic-matter content: Geologic notes
Ronald R. Charpentier, James W. Schmoker
1982, American Association of Petroleum Geologists Bulletin (66) 375-378
Some estimates of natural-gas resources in the Devonian shale of the Appalachian basin depend on the volume of organic-rich shale in the basin. A map by L. G. Wallace and W. de Witt showing the thickness and extent of Devonian "black" shale facies in the Appalachian basin is widely used...
The Geoid: Effect of compensated topography and uncompensated oceanic trenches
C.G. Chase, Marcia K. McNutt
1982, Geophysical Research Letters (9) 29-32
The geoid is becoming increasingly important in interpretation of global tectonics. Most of the topography of the earth is isostatically compensated, so removal of its effect from the geoid is appropriate before tectonic modeling. The oceanic trenches, however, are dynamically depressed features and cannot be isostatically compensated in the classical...
Regional character of mylonitic gneiss in the Cadiz Valley area, southeastern California
Keith A. Howard, D. M. Miller, B.E. John
E.G. Frost, D.L. Martin, editor(s)
1982, Book chapter, Mesozoic-Cenozoic tectonic evolution of the Colorado River Region, California, Arizona, and Nevada
No abstract available....
The thermodynamic properties of fluor-topaz
M.D. Barton, H.T. Haselton, B. S. Hemingway, O.J. Kleppa, R. A. Robie
1982, American Mineralogist (67) 350-355
No abstract available...
Geologic factors that control mineral matter in coal
C. B. Cecil, R.W. Stanton, F.T. Dulong, J.J. Renton
R.H. Filby, Brett Carpenter, Richard C. Ragaini, editor(s)
1982, Book chapter, Atomic and Nuclear Methods in Fossil Energy Research
Elements other than organically derived and bound C, H, N, O, and S constitute mineral matter in coal. Mineral matter may consist of discrete minerals such as calcite, quartz, clays, and pyrite, and/or organic compounds that contain organically bonded elements such as Ca and CI. Processes that may affect the...
Time-predictable bimodal volcanism in the Coso Range, California
Charles R. Bacon
1982, Geology (10) 65-69
The bimodal Pleistocene part of the Coso volcanic field has erupted rhyolite and basalt at constant long-term rates during the past ∼0.5 m.y. Both basalt and high-silica rhyolite were erupted in several independent, geologically brief episodes. The interval between eruptions of rhyolite was proportional to the volume of the preceding...
The use of vertical seismic profiles in seismic investigations of the earth
Alfred H. Balch, Myung W. Lee, J. J. Miller, Robert T. Ryder
1982, Geophysics (47) 906-918
During the past 8 years, the U.S. Geological Survey has conducted an extensive investigation on the use of vertical seismic profiles (VSP) in a variety of seismic exploration applications. Seismic sources used were surface air guns, vibrators, explosives, marine air guns, and downhole air guns. Source offsets have ranged from...
Net-mortality of Common Murres and Atlantic Puffins in Newfoundland, 1951-81
John F. Piatt, David N. Nettleship, William Threlfall
David N. Nettleship, Gerald A. Sanger, Paul F. Springer, editor(s)
1982, Conference Paper, Marine birds: Their feeding ecology and commercial fisheries relationships
Band recoveries (N = 315) over 26 years (1951-77) and three surveys of seabird bycatch in inshore fishing nets (1972, 1980-81) indicate that there has been a substantial net-mortality of Atlantic Puffins (Fratercula arctica) and Common Murres (Uria aalge) in Newfoundland coastal waters for the past 2 decades. Offshore (e.g....
A 40-foot static cone penetrometer
R.M. Beard, H.J. Lee
1982, Conference Paper
The Navy needs a lightweight device for testing seafloor soils to sub bottom depths of 12 meters in water depths to 60 meters. To meet this need a quasistatic cone penetration device that uses water jetting to reduce friction on the cone rod has been developed. This device is called...
