Late quaternary history of the snake river in the American Falls region, Idaho
Donald E. Trimble, Wilfred James Carr
1961, Bulletin of the Geological Society of America (72) 1739-1748
While mapping the American Falls region, we found evidence that contributes to the middle Pleistocene to Recent history of the Snake River, and indirectly to the history of overflow of Lake Bonneville. Middle Pleistocene to recent rocks in the valley are mainly lacustrine and fluvial silts and clays, with some...
Hydrate equilibrium in soil profiles
Cooper H. Wayman
1961, Soil Science (92) 322-330
No abstract available. ...
Some aspects of the geochemistry of sphalerite, Central City District, Colorado
P.K. Sims, P. B. Barton Jr.
1961, Economic Geology (56) 1211-1237
Detailed studies of sphalerite, as a part of a larger study of the Central City district, Colorado, have been undertaken to learn something of the physico-chemical environment of ore deposition. More than 90 samples have been analyzed by chemical and spectrochemical methods and these data are interpreted in the light...
Sandstone-type uranium deposits at Ambrosia Lake, New Mexico-An interim report
H.C. Granger, E.S. Santos, B.G. Dean, F. B. Moore
1961, Economic Geology (56) 1179-1210
The Ambrosia Lake district in northwestern New Mexico is the most important uranium mining and milling district in the United States. Together with the nearby Laguna district it contains more than 50 percent of the nation's reserves.Most of the ore occurs in the Morrison formation of Late Jurassic age as elongate, tabular, mantolike...
Ages of batholithic intrusions of northern and central Chile
Carlos F. Ruiz, Luis Aguirre, Jose Corvalan, H.J. Rose, Kenneth K. Segerstrom, T.W. Stern
1961, Geological Society of America Bulletin (72) 1551-1559
Their stratigraphic setting demonstrates that three batholithic intrusions in northern and central Chile are respectively pre-Jurassic, Jurassic, and Cretaceous. Radiometric age determinations, by the lead-alpha (Larsen) method, indicate ages of 265 ± 30, 120 ± 15 to 125 ± 15, and 95 ± 10 to 130 ± 15 million years respectively for samples from the...
Outline of climatic fluctuation since the last interglacial age
R.F. Flint, F. Brandtner
1961, Annals of the New York Academy of Sciences (95) 457-460
No abstract available. ...
The glacial history of Alaska: It's bearing on paleoclimatic theory
Thor N. V. Karlstrom
1961, Annals of the New York Academy of Sciences (95) 290-340
No abstract available. ...
A method of estimating maximum temperatures to be expected in ponds and small lakes
G. Earl Harbeck Jr., A.F.C. Greene
1961, Transactions of the American Fisheries Society (90) 494-497
No abstract available. ...
Granitic formations in the east-central Sierra Nevada near Bishop, California
Paul C. Bateman
1961, Bulletin of the Geological Society of America (72) 1521-1537
This report establishes lithologic units among the granitic rocks of the east-central Sierra Nevada near Bishop, California. In this area the Sierra Nevada batholith is composed chiefly of quartz-bearing plutonic rocks ranging in composition from quartz diorite to alaskite but includes scattered small masses of darker and older plutonic rocks and remnants of metamorphosed...
Paper A: Terrestrial features of impact origin
Eugene Merle Shoemaker, R. E. Eggleton
Milo D. Nordyke, editor(s)
1961, Conference Paper, Proceedings of the Geophysical Laboratory/Lawrence Radiation Laboratory Cratering Symposium
Craters made by meteorites striking the earth are discussed, with attention given to geological evidence for discriminating them from craters formed by other structural processes. The major known meteorite craters are briefly described, as well as other features that are considered probable or possible meteorite craters on the basis of...
Toxicity of an epoxy cement to fishes
Donald F. Mairs
1961, Progressive Fish-Culturist (23) 178-178
No abstract available. ...
A schematic outline for the presumptive identification of bacterial diseases of fish
G. L. Bullock
1961, Progressive Fish-Culturist (23) 147-151
No abstract available. ...
Bankfull discharge: An example of its statistical relationships
G.H. Dury
1961, International Association of Scientific Hydrology - Bulletin (6) 48-55
Analysis of data for the White and Wabash Rivers suggests means of determining discharge at the natural bankfull stage, despite the effects of artificial embanking and clearance of channels. Bankfull discharge, and discharge at mean annual flood, undergo an orderly downstream increase in percentage duration of flow....
Stream-gaging problems in Afghanistan
I.A. Heckmiller
1961, International Association of Scientific Hydrology - Bulletin (6) 35-37
No abstract available. ...
Surface water records of North Dakota and South Dakota
Water Resources Division, U.S. Geological Survey
1961, Report
No abstract available....
Surface water records of Arkansas
Water Resources Division, U.S. Geological Survey
1961, Report
No abstract available....
Reef building
H. S. Ladd
1961, Science (134) 703-715
The growth of living breakwaters has kept pace with subsidence and wave erosion for fifty million years....
Red junglefowl and kalij pheasants
Gardiner Bump, Wayne H. Bohl
1961, Special Scientific Report - Wildlife 62
No abstract available....
Wood duck banding program, progress report, 1959 and 1960
Charles F. Kaczynski, Aelred D. Geis
1961, Special Scientific Report - Wildlife 59
No abstract available....
Publications on the National Wildlife Refuges, 1961.
U.S. Bureau of Sport Fisheries and Wildlife
1961, Wildlife Leaflet 438
No abstract available....
Beryllium-bearing tuff in the Thomas Range, Juab County, Utah
M. H. Staatz, W. R. Griffitts
1961, Economic Geology (56) 941-950
Recently discovered beryllium deposits in the Thomas Range, Utah, are along the periphery of the fluorspar district at Spor Mountain. The beryllium is in altered rhyolite tuff of Tertiary age and is associated with genetically related fluorite, quartz, chalcedony, opal, calcite, and mont-morillonite and with residual quartz, feldspar, and biotite. Nodules of silica...
A comparison of analytical methods used in geochemical prospecting for copper
L.C. Huff, T.G. Lovering, H. W. Lakin, A.T. Myers
1961, Economic Geology (56) 855-872
Analytical methods used in geochemical prospecting for copper were compared by analysis of samples of residual soil collected in duplicate near a copper-bearing vein at the Malachite mine, Jefferson County, Colo. In this area barren or "background" samples have a mean copper content of 58 ppm (parts per million) and anomalous samples containing copper derived from the...
Selected list of informational leaflets on wildlife
U.S. Fish and Wildlife Service
1961, Wildlife Leaflet 437
No abstract available....
Late Wisconsin age of terrace alluvium along the North Loup River, central Nebraska: A revision
Robert D. Miller, Glenn R. Scott
1961, GSA Bulletin (72) 1283-1284
A radiocarbon age of 10,500±250 years B.P. (Before Present) from shell material near the base of a terrace along the North Loup River, Howard County, Nebraska, dates the alluvial sequence of silts and soils as late Wisconsin. The alluvium containing the shell material previously was reported as...
Sex ratios and age raios in North American ducks
Frank C. Bellrose, Thomas G. Scott, Arthur S. Hawkins, Jessop B. Low
1961, Illinois Natural History Survey Bulletin (27) 391-474
The sex classes and age classes of various species of ducks constitute measurable elements of the populations. The present study deals primarily with sex ratios and age ratios and the ways in which they relate to population productivity. The present study is an evaluation of sex and age ratios in...
