Dating Quaternary faults in the southwestern United States by using buried calcic paleosols
Michael N. Machette
1978, Journal of Research of the U.S. Geological Survey (6) 369-381
Calcareous soils are widespread on upper Pliocene to upper Pleistocene unconsolidated surflcial deposits in semiarid portions of the southwestern United States. Where these soils are related to faults, the soils may provide a means for quantitatively estimating timing and amounts of Quaternary faulting. Soil age estimates are based on the...
Structural control of the Cumberland River and its ancestral channels at Flat Lick, Kentucky
Wayne L. Newell, Dudley D. Rice
1978, Journal of Research of the U.S. Geological Survey (6) 359-367
Remnants of old alluvium on bedrock benches, as much as 76 in (250 ft) above the present course of the Cumberland River near Flat Lick, Ky., are associated with meander scars and broad valleys now occupied by underflt streams. The distribution of old alluvium and associated topographic features define two...
Trenches across the 1906 trace of the San Andreas Fault in northern San Mateo County, California
M. G. Bonilla, J. N. Alt, L. D. Hodgen
1978, Journal of Research of the U.S. Geological Survey (6) 347-358
Two trenches were excavated across the 1906 trace of the San Andreas fault near fences that were displaced by the 1906 faulting. About 18 displacements equal to the 1906 displacement would account for the offset of a stream adjacent to one of the trenches. Review of divergent reports on the...
Aleuts, sea otters, and alternate stable state communities
C.A. Simenstad, J. A. Estes, K.W. Kenyon
1978, Science (200) 403-411
Reexamination of stratified faunal components of a prehistoric Aleut midden excavated on Amchitka Island, Alaska, indicates that Aleut prey items changed dramatically during 2500 years of aboriginal occupation. Recent ecological studies in the Aleutian Islands have shown the concurrent existence of two alternate stable nearshore communities, one dominated by macroalgae,...
Water resources of south-central Iowa
Joseph W. Cagle Jr., Albert J. Heinitz
1978, Iowa Geological Survey Water Atlas 5
The objective of this report is to present information on the water resources of south-central Iowa that will help solve the supply problems of the water users in the region and that will aid planners and water managers who must consider water resources on a regional basis. The information presented...
Megalineament in southeastern Alaska marks southwest edge of Coast Range batholithic complex
David A. Brew, A. B. Ford
1978, Canadian Journal of Earth Sciences (15) 1763-1772
The Coast Range megalineament is a prominent, nearly continuous topographic and structural feature that extends southeastward about 550 km (330 mi) from its junction with the Chatham Strait – Lynn Canal fault at Point Sherman to Tongass Passage near the mouth of Pearse Canal where it leaves southeastern Alaska. It probably extends...
Diazinon poisoning in wild Canada geese
J.G. Zinkl, J. Rathert, R.R. Hudson
1978, Journal of Wildlife Management (42) 406-408
No abstract available....
Field testing and adaptation of a methodology to measure "in-stream" values in the Tongue River, northern Great Plains (NGP) region
Ken D. Bovee, James A. Gore, Arnold J. Silverman
1978, Report
A comprehensive, multi-component in-stream flow methodology was developed and field tested in the Tongue River in southeastern Montana. The methodology incorporates a sensitivity for the flow requirements of a wide variety of in-stream uses, and the flexibility to adjust flows to accommodate seasonal and sub-seasonal changes in the flow...
Death of a radio-marked grizzly
A.L. Kolz, Larry J. Roop, Kenneth R. Greer
1978, Journal of Wildlife Management (42) 462-462
No abstract available....
Avian cholera in eider ducks in Maine
Carl E. Korschgen, Harold C. Gibbs, H. L. Mendall
1978, Journal of Wildlife Diseases (14) 254-258
Outbreaks of avian cholera (Pasteurella multocida) occur frequently in common eiders (Somateria mollissima dresseri) in Maine during early summer. Studies over a seven year period show that over 90% of the loss occurred in incubating females and might be associated with their weakened condition because females and might be associated...
Efficacy of certain disinfectants against infectious pancreatic necrosis virus
Diane G. Elliott, Donald F. Amend
1978, Journal of Fish Biology (12) 277-286
The virucidal properties of iodophor, chlorine (sodium hypochlorite), formalin, thimerosal (organic mercurial compound), malachite green, and acriflavine were tested on infectious pancreatic necrosis virus (IPNV). Iodine and chlorine showed good activity, but efficacy depended on the concentration of virus, the presence of organic matter (calf serum), and water pH. Water hardness...
Natural cavities used by wood ducks in north-central Minnesota
D.S. Gilmer, I.J. Ball, L.M. Cowardin, John E. Mathisen, John H. Riechmann
1978, Journal of Wildlife Management (42) 288-298
Radio telemetry was used to locate 31 wood duck (Aix sponsa) nest cavity sites in 16 forest stands. Stands were of 2 types: (1) mature (mean = 107 years) northern hardwoods (10 nest sites), and (2) mature (mean = 68 years) quaking aspen (Populus tremuloides) (21 nest sites). Aspen was...
Recent biogenic phosphorite: Concretions in mollusk kidneys
L. J. Doyle, N.J. Blake, C.C. Woo, P. Yevich
1978, Science (199) 1431-1433
Phosphorite concretions have been detected in the kidneys of two widespread species of mollusks, Mercenaria mercenaria and Argopecten irradians, which have relatively high population densities. These concretions are the first documentation of the direct biogenic formation of phosphorite grains. The concretions are principally amorphous calcium phosphate, which upon being heated...
Factors controlling heavy-mineral variations on the South Texas outer continental shelf, Gulf of Mexico
R. M. Flores, G. L. Shideler
1978, Journal of Sedimentary Petrology (48) 269-280
Heavy-mineral distribution on the outer continental shelf off the southern coast of Texas shows regional variability induced by provenance and local variability reflecting genetic differences in sea-floor sediments. Q-mode factor analysis showed that three suites of heavy minerals are present. The southern ancestral Rio Grande delta sediments contain a distinct...
Occurrence and formation of avicennite, Tl2O3 , as a secondary mineral at the Carlin gold deposit, Nevada
Arthur S. Radtke, Frank W. Dickson, John F. Slack
1978, Journal of Research of the U.S. Geological Survey (6) 241-246
Avicennite, Tl2O3, occurs as grains disseminated in silicified limestones in the upper part of the East ore zone of the Carlin gold deposit, Nevada. The avicennite is formed by the oxidation of carlinite, Tl2S, found in primary unoxidized carbonaceous ore immediately below the avicennite. The grains of avicennite closely...
Factors contributing to the formation of ferromanganese nodules in Oneida Lake, New York
Walter E. Dean, Swapan Ghosh
1978, Journal of Research of the U.S. Geological Survey (6) 231-240
Oneida Lake is a large, shallow, eutrophic lake situated in the Ontario lowlands of central New York State. It contains the most concentrated deposit of freshwater ferromanganese nodules (in terms of amount per unit area) yet reported in the literature. The mineralogy and bulk chemistry of these saucer-shaped nodules...
Stable isotope studies of bedded barite at East Northumberland Canyon in Toquima Range, central Nevada
R. O. Rye, D. R. Shawe, F. G. Poole
1978, Journal of Research of the U.S. Geological Survey (6) 221-229
Several beds of barite occur in the Slaven Chert at East Northumberland Canyon in the Toquima Range of central Nevada. Most of the barite is internally laminated but shows massive weathering. However, rosette, disseminated, conglomeratic, and concretionary varieties also occur. New fossil evidence from conodonts and brachiopods indicates a Late...
Heavy-mineral variability in the Baltimore Canyon trough area
H.J. Knebel, David C. Twichell
1978, Journal of Research of the U.S. Geological Survey (6) 215-219
Petrographic analyses of bottom sediments from 87 stations within a relatively large subarea (1700 square kilometers) define the local variability and the distributional processes of heavy minerals in the Baltimore Canyon Trough area (13500km2 ). Of the 29 mineral groups that were identified, those most diagnostic of differences between...
Origin of two clay-mineral facies of the Potomac Group (Cretaceous) in the Middle Atlantic States
Lucy M. Force, George K. Moncure
1978, Journal of Research of the U.S. Geological Survey (6) 203-214
Sedimentary clay that crops out in the coastal plains of New Jersey, Delaware, the part of Maryland north and east of Washington, B.C., and the northeast half of Washington, D.C., in the nonmarine Cretaceous Potomac Group is predominantly kaolinite and illite. In contrast, in part of southeastern Maryland, the...
A tuya in Togiak Valley, Southwest Alaska
J. M. Hoare, W. L. Coonrad
1978, Journal of Research of the U.S. Geological Survey (6) 193-201
The shape, composition, structure, and location of a conspicuous flat-topped mountain in the lower Togiak Valley, southwest Alaska, all indicate that it formed by a subglacial volcanic eruption of olivine basalt. Volcanoes of this type are known as "tuyas." The Togiak tuya erupted into an intraglacial lake in a hole...
Blue Ribbon Lineament, an east-trending structural zone within the Pioche mineral belt of southwestern Utah and eastern Nevada
Peter D. Rowley, Peter W. Lipman, Harald H. Mehnert, David A. Lindsey, John J. Anderson
1978, Journal of Research of the U.S. Geological Survey (6) 175-192
The Blue Ribbon lineament is an east-west structural zone that is about 25 kilometers wide and passes through the Pioche mineral belt at about 38°10' N. It is best known in Utah, where it is at least 190 km long, and extends from the southern Sevier Plateau in the High...
Accuracy of selected land use and land cover maps in the Greater Atlanta region, Georgia
Katherine Fitzpatrick-Lins
1978, Journal of Research of the U.S. Geological Survey (6) 169-173
The land use and land cover maps at 1:100000 scale and at 1:24 000 scale in the Greater Atlanta Region were tested for accuracy. At 1:100 000 scale, 381 points were selected using a stratified systematic unalined sampling technique. Of these 381 points, 343 points or 90 percent were...
An "optimal" filter for maps showing nominal data
Stephen C. Guptill
1978, Journal of Research of the U.S. Geological Survey (6) 161-167
An "optimal" filtering technique for use with nominal data, such as land use and land cover categories, has been developed. This method is based on the conditional probability joins of neighboring data elements. In addition to its use in performing filtering, the method can be used to calculate the likelihood...
Remote-sensing methods for monitoring surface coal mining in the northern Great Plains
Ned Mamula Jr.
1978, Journal of Research of the U.S. Geological Survey (6) 149-160
Recent studies at a large surface coal mine in southern Montana confirm that remote sensing is both feasible and effective for gathering land-use and environmental data (spatial, dynamic, and seasonal) for large-scale surface mines in the northern Great Plains. The Western Energy Co.'s Rosebud mine near Colstrip, Mont., was selected...
Hydraulic characteristics of the White River streambed and glacial-outwash deposits at a site near Indianapolis, Indiana
William Meyer
1978, Journal of Research of the U.S. Geological Survey (6) 273-283
An aquifer test was made in the glacial-outwash aquifer along the course of the White River in Marion County, Ind., to establish the hydraulic characteristics of this unit and the hydraulic conductivity of the White River streambed at a site 11 kilometers south of the center of downtown Indianapolis. In...
