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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: 6155
A topology of mineralization and its meaning for prospecting A topology of mineralization and its meaning for prospecting
Epigenetic mineral deposits are universal members of an orderly spatial and temporal arrangement of igneous rocks, endomorphic rocks, and hydrothermally altered rocks. The association and sequence of these rocks is invariant whereas the metric relations and configurations of the properties of these rocks are unlimited in variety. This characterization satisfies the doctrines of topology...
Authors
G. J. Neuerburg
An evaluation of the effects of recreational activities on bighorn in the San Gabriel Mountains, California An evaluation of the effects of recreational activities on bighorn in the San Gabriel Mountains, California
No abstract available at this time
Authors
K.M. Hamilton, S. Holl, C. L. Douglas
Atlantic continental margin of the United States Atlantic continental margin of the United States
The objective of this Decade of North American Geology (D-NAG) volume will be to focus on the Mesozoic and Cenozoic evolution of the U.S. Atlantic continental margin, including the onshore coastal plain, related onshore Triassic-Jurassic rift grabens, and the offshore basins and platforms. Following multiple compressional tectonic episodes between Africa and North America during the...
Authors
John A. Grow, Robert E. Sheridan
Authigenic barite in varved clays: result of marine transgression over freshwater deposits and associated changes in interstitial water chemistry Authigenic barite in varved clays: result of marine transgression over freshwater deposits and associated changes in interstitial water chemistry
No abstract available.
Authors
Erwin Suess
Auxiliary data collection - Habitat analysis Auxiliary data collection - Habitat analysis
No abstract available.
Authors
C.S. Robbins
Bedrock geologic control of sensitivity of aquatic ecosystems in the United States to acidic deposition Bedrock geologic control of sensitivity of aquatic ecosystems in the United States to acidic deposition
No abstract available.
Authors
S. A. Norton, J.J. Akielaszek, T.A. Haines, K. L. Stromborg, J. R. Longcore
Current-induced sediment movement in the deep Florida Straits: Observations Current-induced sediment movement in the deep Florida Straits: Observations
No abstract available
Authors
Mark Wimbush, Laszlo Nemeth, Barton Birdsall
Deep structure and evolution of the Carolina Trough Deep structure and evolution of the Carolina Trough
Multichannel seismic-reflection data together with two-dimensional gravity and magnetic models suggest that the crustal structure off North Carolina consists of normal continental crust landward of the Brunswick magnetic anomaly (BMA), rift-stage crust in the 80-km-wide zone between the BMA and the East Coast magnetic anomaly (ECMA), and normal oceanic crust seaward of the ECMA.
Authors
D. R. Hutchinson, J. A. Grow, Kim D. Klitgord, B.A. Swift
Deer in forested areas Deer in forested areas
No abstract available.
Authors
T.J. Floyd, L.D. Mech, M.E. Nelson
Dusky salamanders (mountains) Dusky salamanders (mountains)
No abstract available.
Authors
R.J. Hall
Extraction and investigative techniques for study of interstitial waters of unconsolidated sediments: A review Extraction and investigative techniques for study of interstitial waters of unconsolidated sediments: A review
No abstract available.
Authors
P.A. Kriukov, Frank T. Manheim