Publications
Browse recent USGS publications related to energy resources.
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World petroleum resource estimates and production forecasts: Implications for government policy World petroleum resource estimates and production forecasts: Implications for government policy
Resource estimates alone will not give advance warning of encroaching production difficulties. An analysis of the general stages in the evolution of petroleum production and discovery and of industry statistics provides an estimate of when the stage characterised by increasing production in the market economy countries outside the United States and Canada will end. The analysis indicates...
Authors
David H. Root, Emil D. Attanasi
Organic composition of some Upper Cretaceous shale, Powder River Basin, Wyoming Organic composition of some Upper Cretaceous shale, Powder River Basin, Wyoming
The lower Upper Cretaceous strata in northeastern Wyoming, which have yielded major quantities of oil and gas, were sampled at boreholes in Converse, Johnson, and Weston Counties. Cores of noncalcareous shale of largely nearshore-marine origin were obtained from the Frontier Formation and the overlying Cody Shale at depths of 3,780.6 to 3,879.9 m in Converse County, near the axis of the...
Authors
E. Allen Merewether, George E. Claypool
Preliminary geologic map of the Loma-Prieta Quadrangle, Santa Cruz and Santa Clara counties, California Preliminary geologic map of the Loma-Prieta Quadrangle, Santa Cruz and Santa Clara counties, California
No abstract available.
Authors
T. W. Dibblee, Earl E. Brabb
Some quantitative properties of mineral deposits Some quantitative properties of mineral deposits
No abstract available.
Authors
W. D. Menzie, Donald A. Singer
Metamorphic infrastructure in the northern Ruby Mountains, Nevada Metamorphic infrastructure in the northern Ruby Mountains, Nevada
The metamorphic complex of the northern Ruby Mountains in northeastern Nevada exposes Paleozoic strata that are metamorphosed to sillimanite grade, migmatized, and recumbently folded. Nappes are variously overturned to the east, north, south, and west. The deeper part of this metamorphic infrastructure is a migmatitic zone pervaded by pegmatitic two-mica granite. A structurally higher...
Authors
Keith A. Howard
What can grade-tonnage relations really tell us? What can grade-tonnage relations really tell us?
No abstract available.
Authors
Donald A. Singer, John H. DeYoung
Porosity evolution of upper Miocene reefs, Almeria Province, southern Spain Porosity evolution of upper Miocene reefs, Almeria Province, southern Spain
Sea cliffs 40 km east of Almeria, southeastern Spain, expose upper Miocene reefs and patch reefs of the Plomo formation. These reefs are formed of scleractinian corals, calcareous algae, and mollusks. The reef cores are as much as 65 m thick and several hundred meters wide. Fore-reef talus beds extend 1,300 m across and are 40 m thick. The reefs and reef breccias are composed of calcitic...
Authors
A. K. Armstrong, P. D. Snavely, W.O. Addicott
Geological Survey research 1980 Geological Survey research 1980
A summary of recent significant scientific and economic results accompanied by a list of geologic, hydrologic, and cartographic investigations in progress.
Authors
Water Resources Division U.S. Geological Survey
Tertiary paleontology and stratigraphy of the central Santa Cruz Mountains, California Coast Ranges Tertiary paleontology and stratigraphy of the central Santa Cruz Mountains, California Coast Ranges
No abstract available.
Authors
J. C. Clark, E. E. Brabb, W.O. Addicott
The Klamath Mountains and Coast Ranges in northern California and southern Oregon: Chapter II-B The Klamath Mountains and Coast Ranges in northern California and southern Oregon: Chapter II-B
No abstract available.
Authors
W. P. Irwin, P.E. Hotz