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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
Filter Total Items: 6158
Paleocene and Eocene strata of the central Atlantic Coastal Plain Paleocene and Eocene strata of the central Atlantic Coastal Plain
No abstract available.
Authors
Thomas G. Gibson, Laurel M. Bybell, David L. Govoni
Calcareous nannofossils and foraminifers from Paleocene and Eocene strata in Maryland and Virginia Calcareous nannofossils and foraminifers from Paleocene and Eocene strata in Maryland and Virginia
No abstract available.
Authors
Laurel M. Bybell, Thomas G. Gibson
Potomac River Paleocene and Eocene stop descriptions Potomac River Paleocene and Eocene stop descriptions
No abstract available.
Authors
Thomas G. Gibson, Laurel M. Bybell
Methods for analyzing temporal changes in landscape patterns Methods for analyzing temporal changes in landscape patterns
No abstract available
Authors
Christopher P. Dunn, David M. Sharpe, Glenn R. Guntenspergen, F. Stearns, Z. Yang
Dating methods applicable to the Quaternary Dating methods applicable to the Quaternary
No abstract available.
Authors
J.N. Rosholt, S.M. Colman, M. Stuiver, P.E. Damon, C. W. Naeser, N. D. Naeser, Barney J. Szabo, Daniel R Muhs, J. C. Liddicoat, S.L. Forman, M. N. Machette, K. L. Pierce
Depositional patterns of the Mississippi Fan surface: Evidence from GLORIA II and high-resolution seismic profiles Depositional patterns of the Mississippi Fan surface: Evidence from GLORIA II and high-resolution seismic profiles
GLORIA long-range side-scan sonar imagery and 3.5-kHz seismic-reflection profiles depict a series of nine elongate deposits with generally high-backscatter surfaces covering most of the latest fanlobe sequence of the Mississippi Fan in the eastern Gulf of Mexico. The youngest deposit is a “slump” that covers a 250 by 100 km area of the middle and upper fan. The remaining mapped deposits...
Authors
David C. Twichell, Neil H. Kenyon, Lindsay M. Parson, Bonnie A. McGregor
Extensive volcanism and related tectonism beneath the western Ross Sea Continental Shelf, Antarctica Extensive volcanism and related tectonism beneath the western Ross Sea Continental Shelf, Antarctica
No abstract available.
Authors
J. C. Behrendt, H.J. Duerbaum, R. Saltus, W. Bosum, Alan K. Cooper
Faulting and seismic activity Faulting and seismic activity
This chapter traces some of the ideas and concepts leading to the current understanding of the process of faulting and earthquake generation, gives examples of engineering geology investigations contributing to that understanding, describes some engineering projects that have been strongly influenced by the process, and suggests needed research. Each of these topics is discussed in...
Authors
Manuel G. Bonilla
Franciscan Complex, Coast Range ophiolite and Great Valley sequence: Pacheco Pass to Del Puerto Canyon, California Franciscan Complex, Coast Range ophiolite and Great Valley sequence: Pacheco Pass to Del Puerto Canyon, California
This field trip covers part of the Diablo Range and adjacent San Joaquin Valley of central California (Fig. 1 ). The core of the range is made up of rocks of the Franciscan Complex, flanked by Coast Range ophiolite (CRO) and Great Valley sequence (GVS). The Franciscan Complex in this area consists of deformed and metamorphosed sedimentary and volcanic rocks containing fossils of Late...
Authors
Allan P. Bennison, M. Clark Blake, B. F. Cox, William P. Elder, W. G. Ernst, Tekla Harms, T. H. Nilsen
The West Antarctic Rift system: A review of geophysical investigations The West Antarctic Rift system: A review of geophysical investigations
No abstract available.
Authors
J. C. Behrendt, W.E. LeMasurier, A. K. Cooper, Franz Tessensohn, A. Trehu, D. Damaske
Wave processes and geologic responses on the floor of the Yellow Sea Wave processes and geologic responses on the floor of the Yellow Sea
The floor of the Yellow Sea is a geologically mundane surface: it is nearly horizontal, lacks relief, and, with few exceptions, is devoid of conspicuous geomorphologic features. However, it is the principal repository for the prodigious sediment load of the Huanghe (Yellow River); and, due to its inherent shallowness (average depth is 40 m), it is frequently stressed by waves generated...
Authors
James S. Booth, William J. Winters
Calcareous nannofossils and forarninifers from Paleocene and Eocene strata in Maryland and Virginia Calcareous nannofossils and forarninifers from Paleocene and Eocene strata in Maryland and Virginia
No abstract available
Authors
L.M. Bybell, T. G. Gibson