Publications
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Landslides and related features, West Virginia, Ohio, Kentucky; Huntington Landslides and related features, West Virginia, Ohio, Kentucky; Huntington
No abstract available.
Authors
William E. Davies, Vernon Mast, Gregory C. Ohlmacher
Ferromanganese crusts from Necker Ridge, Horizon Guyot and S.P. Lee Guyot: Geological considerations Ferromanganese crusts from Necker Ridge, Horizon Guyot and S.P. Lee Guyot: Geological considerations
Necker Ridge, Horizon Guyot and S.P. Lee Guyot in the Central Pacific were sampled, seismically surveyed, and photographed by bottom cameras in order to better understand the distribution, origin, and evolution of ferromanganese crusts. Necker Ridge is over 600 km long with a rugged crest, pods of sediment to 146 m thick, slopes that average 12° to 20°, and debris aprons that cover some...
Authors
James R. Hein, Frank T. Manheim, William C. Schwab, Alice S. Davis
More on the alleged 1970 geomagnetic jerk More on the alleged 1970 geomagnetic jerk
French and United Kingdom workers have published reports describing a sudden change in the secular acceleration, called an impulse or a jerk, which took place around 1970. They claim that this change took place in a period of a year or two and that the sources of the alleged jerk are internal. An earlier paper by this author questioned their method of analysis pointing out that their...
Authors
L.R. Alldredge
Feasibility of a nationwide program for the identification and delineation of hazards from mud flows and other landslides; Chapter C, Priority U.S. areas for the delineation of susceptibility to mud flows and other landslides Feasibility of a nationwide program for the identification and delineation of hazards from mud flows and other landslides; Chapter C, Priority U.S. areas for the delineation of susceptibility to mud flows and other landslides
No abstract available.
Authors
Russell H. Campbell
Feasibility of a nationwide program for the identification and delineation of hazards from mud flows and other landslides; Chapter D, The Economics of landslide mitigation strategies in Cincinnati, Ohio : a methodology for benefit-cost analysis Feasibility of a nationwide program for the identification and delineation of hazards from mud flows and other landslides; Chapter D, The Economics of landslide mitigation strategies in Cincinnati, Ohio : a methodology for benefit-cost analysis
No abstract available.
Authors
Richard L. Bernknopf, David S. Brookshire, Russell H. Campbell, Carl D. Shapiro, Robert W. Fleming
Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, November 1985 Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, November 1985
No abstract available.
Authors
John B. Townshend, J.E. Papp, E.A. Sauter, L.Y. Torrence, P.A. Franklin
Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, December 1985 Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, December 1985
No abstract available.
Authors
John B. Townshend, J.E. Papp, E.A. Sauter, L.Y. Torrence, P.A. Franklin
Deep continental margin reflectors Deep continental margin reflectors
In contrast to the rarity of such observations a decade ago, seismic reflecting and refracting horizons are now being observed to Moho depths under continental shelves in a number of places. These observations provide knowledge of the entire crustal thickness from the shoreline to the oceanic crust on passive margins and supplement Consortium for Continental Reflection Profiling (COCORP)...
Authors
J. Ewing, J. Heirtzler, M. Purdy, Kim D. Klitgord
The Steens Mountain (Oregon) geomagnetic polarity transition: 1. Directional history, duration of episodes, and rock magnetism The Steens Mountain (Oregon) geomagnetic polarity transition: 1. Directional history, duration of episodes, and rock magnetism
The thick sequence of Miocene lava flows exposed on Steens Mountain in southeastern Oregon is well known for containing a detailed record of a reversed‐to‐normal geomagnetic polarity transition. Paleomagnetic samples were obtained from the sequence for a combined study of the directional and intensity variations recorded; the paleointensity study is reported in a companion paper. This...
Authors
Edward A. Mankinen, M. Prevot, C. Sherman Gromme, Robert S. Coe
By
New York Bight fault New York Bight fault
High-resolution, single-channel and multichannel seismic-reflection profiles in the New York Bight provide 7 crossings of a 50-km-long fault that trends north-northeast for 30 km from its southern end, then bends northeast, and may continue northward beneath Long Island. Displacement, which is consistently down to the west, decreases upsection and suggests a growth fault. Dip of the...
Authors
Deborah R. Hutchinson, John A. Grow
Occurrence and preservation of Eocene squamariacean and coralline rhodoliths: Eau, Tonga Occurrence and preservation of Eocene squamariacean and coralline rhodoliths: Eau, Tonga
A widespread rhodolith facies occurs within middle Eocene limestones of Eua, Tonga (Fig. 1). These limestones, first described by Hoffmeister (1932), represent a portion of a broad, early Tertiary platform that developed in the Tonga area prior to disruption and uplift by later Tertiary plate movements (Kroenke and Tongilava 1975). Algal rhodoliths form beds several meters thick within...
Authors
Binyamin Buchbinder, Robert B. Halley