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Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.

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Filter Total Items: 171846

A summary of Horikoshi's structure of cupriferous pyrite deposits in schist

Summary of a paper by Yoshikazu Horikoshi, originally published in Japanese in 1940, on the Besshi type of cupriferous pyrite ore.
Authors
John J. Collins

Value of domestic production of minerals from various classes of rocks

Fluids and sedimentary rocks accounted for 48 and 36 percent, respectively, of the total value of the 1946 domestic mineral production. The epigenetic (vein and replacement) and metamorphic deposits each contributed 6 percent of the total, and residual and igneous deposits accounted for 3 and 1 percent, respectively. Fuels were the most valuable of all the minerals produced--77 percent of the tota
Authors
Vincent E. McKelvey, J.E. Crawford, D.F. Davidson, Robert Leland Boardman

Dispersion of copper from the San Manuel copper deposit, Pinal County, Arizona

At San Manuel, near Tucson, Arizona, recent churn drilling has blocked out large reserves of low-grade "porphyry copper" ore. This virgin deposit has a small outcrop and seems ideally suited for a geochemical study of the dispersion pattern produced by weathering in a desert climate. Samples of soils, alluvium, ground water, and vegetation were analyzed for copper. To avoid grinding, to accentuate
Authors
T. S. Lovering, Lyman C. Huff, H. Almond

The appraisal of ore reserves at a Japanese copper mine

Estimates of ore reserves at major Japanese metal mines seem, at first glance, to be readily understandable to American engineers and geologists. Close scrutiny, however, generally reveals unexpected features at each mine. For example, the Hitachi copper mine formerly segregated its developed ore reserve into positive and probable on the basis of the possibility of high-grade and low-grade product
Authors
John J. Collins

The thermal neutron absorption cross section of silicon

No abstract available.
Authors
C.W. Tittle, Henry Faul

Preliminary investigation of radioactivity in the Black Hawk district, Grant County, New Mexico

No abstract available.
Authors
Harry Clifford Granger

Populations and home range relationships of the box turtle, Terrapene c. carolina (Linnaeus)

SUMMARY: A population study of the box turtle (Terrapene c. carolina Linnaeus) was made during the years 1944 to 1947 at the Patuxent Research Refuge, Maryland. A thirty acre area in well drained bottomland forest on the flood plain of the Patuxent River was selected for intensive study. Similarly forested land extended in all directions from the study plot. Markers were established at
Authors
Lucille F. Stickel
By
Ecosystems Mission Area, Eastern Ecological Science Center

"Lockhartia" cushmani Applin and Jordan and notes on two previously described foraminifera from tertiary rocks in Florida

This paper discusses changes made in the names of three foraminiferal species originally described by the writers, with particular emphasis on "Lockhartia" cushmani Applin and Jordan. The internal characters of this form are fully described and compared with the diagnostic characteristics of the genus Lockhartia Davies and with the geno-lectotype of Rotalia, R. trochidiformis Lamarck, as given by
Authors
Esther R. Applin, Louise Jordan

Two new Lower Cretaceous lituolid foraminifera

No abstract available.
Authors
Esther English Richards Applin, Helen Tappan, Alfred Loeblich

Use of warfarin for the control of rats and mice

No abstract available.
Authors

An autunite deposit in the Rosamond Hills, Kern County, California

No abstract available.
Authors
Frederick Mason Chace

Radon-bearing gas in the Amarillo helium district, Texas

No abstract available.
Authors
James Wilcott Hill
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