Alpine-type sensu strictu(ophiolitic) peridotites: Refractory residues from partial melting or igneous sediments? A contribution to the discussion of the paper: "The origin of ultramafic and ultrabasic rocks" by P.J. Wyllie
T. P. Thayer
1969, Tectonophysics (7) 511-516
Although Alpine peridotites and basaltic lavas are widely associated in eugeosynclines and oceanic areas, their genetic ties are obscure. Three major characteristics of olivine-rich Alpine peridotite and dunite—relict cumulus textures, aggregated masses of chromitite, and intimate association with magnesium-rich gabbro — cannot be...
Determination of rhenium in molybdenite by X-ray fluorescence. A combined chemical-spectrometric technique
M.W. Solt, J.S. Wahlberg, A.T. Myers
1969, Talanta (16) 37-43
Rhenium in molybdenite is separated from molybdenum by distillation of rhenium heptoxide from a perchloric-sulphuric acid mixture. It is concentrated by precipitation of the sulphide and then determined by X-ray fluorescence. From 3 to 1000 μg of rhenium can be measured with a precision generally within...
Preliminary determinations of hydrobiological and chemical conditions in the vicinity of the proposed jetport and other airports in south Florida: Progress report
Benjamin F. McPherson
1969, Open-File Report 69-162
No abstract available....
Saline water in southeastern New Mexico
W. L. Hiss, J.B. Peterson, T.R. Ramsey
1969, Chemical Geology (4) 341-360
Saline waters from formations of several geologic ages are being studied in a seven-county area in southeastern New Mexico and western Texas, where more than 30,000 oil and gas tests have been drilled in the past 40 years. This area of 7,500 sq. miles, which is stratigraphically complex, includes...
Interaction of pesticides with natural organic material
R.L. Wershaw, P.J. Burcar, M. C. Goldberg
1969, Environmental Science & Technology (3) 271-273
No abstract available....
Methane-derived marine carbonates of pleistocene age
J.C. Hathaway, E.T. Degens
1969, Science (165) 690-692
In some calcium carbonate-bearing sandstones from the edge of the continental shelf off the northeast United States, the δC13 range is from -30 and...
40Ar/36Ar analyses of historic lava flows
G. B. Dalrymple
1969, Earth and Planetary Science Letters (6) 47-55
The ratio40Ar/36Ar was measured for 26 subaerial historic lava flows. Approximately one-third of the samples had40Ar/36Ar ratios either higher or lower than the atmospheric value of 295.5 at the 95% confidence level. Excess radiogenic40Ar in five flows ranged from about 1 ×...
Etching fission tracks in zircons
C. W. Naeser
1969, Science (165) 388-388
A new technique has been developed whereby fission tracks can be etched in zircon with a solution of sodiuim hydroxide at 220°C. Etching...
Pacific salmon
George Y. Harry
Frank E. Firth, editor(s)
1969, Book chapter, The encyclopedia of marine resources
No abstract available....
Environmental impact of oil development in northern Alaska
Luna Bergere Leopold
1969, Report
It is reported that in the spring of 1969 a high official of one of the oil companies was flying over the area of oil development in the vicinity of Prudhoe Bay. He is quoted as saying "If the American people could see what we are doing to their land...
Stratified rocks of the Grand Canyon: Chapter B in The Colorado River region and John Wesley Powell (Professional Paper 669)
Edwin D. McKee
1969, Professional Paper 669-B
The record of the earth's history in the walls of the Grand Canyon has been deciphered through hard work by many people during the past 100 years. Much still remains unsolved. John Wesley Powell's contributions were of a pioneering type, though he was not the first to discuss the rocks...
Relation of water loss to moisture content of hydrophytes in a natural pond
W. S. Eisenlohr Jr.
1969, Water Resources Research (5) 527-530
Hydrophytes growing in natural ponds on the Coteau du Missouri in North Dakota have been studied. Previous studies in the same region showed how transpiration by hydrophytes could be separated from the total water loss from a natural pond, during the period that vegetation was growing in height, on the...
Hydrologic and climatologic data, 1968, Salt Lake County, Utah
1969, Utah Basic-Data Release 17
An investigation of the water resources of Salt Lake County, Utah, was undertaken by the Water Resources Division of the U.S. Geological Survey in July 1963. This investigation is a cooperative project financed chiefly by equal contributions of the State of Utah and the Federal Government in accordance with an...
Insecticides and the Great Lakes
Robert E. Reinert
1969, Limnos (2) 3-9
Cracks in the perfect image of DDT appeared when traces of the insecticide began to show up in a wide variety of organisms throughout the world. As more and more people investigated this problem, it became increasingly evident that terrestrial and aquatic animals were accumulating comparatively high concentrations of...
Distribution of oligochaetes in western Lake Erie, 1961
Jarl K. Hiltunen
1969, Limnology and Oceanography (14) 260-264
A total of 52,390 oligochaetes were collected from 40 stations in western Lake Erie in spring 1961. The population was composed of two families, Naididae and Tubificidae. Only six species of naidids were found. One, Paranais frici, is apparently new to the list of North American freshwater Naididae. Among the...
Cisco (Coregonus artedii) mortalities in a southern Michigan lake, July 1968
Peter J. Colby, Larry T. Brooke
1969, Limnology and Oceanography (14) 958-960
Cisco die-offs are common in the summer in certain lakes of northern Indiana and southern Michigan, along the southern boundary of the national distribution of coregonine fishes. Although numerous cisco die-offs have been reported, few, if any, have been accompanied by environmental information at the time of the die-off. On...
Oxytetracyline sensitivity of selected fish pathogens
G. L. Bullock, D. Collis
1969, Technical Paper 32
No abstract available at this time...
Fish furunculosis
S. F. Snieszko
1969, Fish Disease Leaflet 17
No abstract available at this time...
Parasites of freshwater fishes: II, Protozoa, 1, Microspoida of fishes
R.E. Putz
1969, Fish Disease Leaflet 20
No abstract available at this time...
Virus disease of sockeye salmon
K. Wolf
1969, Fish Disease Leaflet 14
No abstract available at this time...
Intercontinental and transcontinental dissemination and transfaunation of fish parasites with emphasis on whirling disease (Myxosoma cerebralis)
G. L. Hoffman
1969, Conference Paper, Bulletin Wildlife Disease Association
No abstract available at this time...
Oxytetracyline residues in different tissues of trout
R. L. Herman, D. Collis, G. L. Bullock
1969, Technical Paper 37
No abstract available at this time...
Blueschist-facies metamorphism related to regional thrust faulting
M.C. Blake Jr., W. P. Irwin, R. G. Coleman
1969, Tectonophysics (8) 237-246
Rocks of the blueschist (glaucophane schist) facies occur throughout the world in narrow tectonic belts associated with ultramafic rocks. In the Coast Range province of California, blueschist rocks are devloped in the eugeosynclinal Franciscan Formation of Late Mesozoic age. The blueschist rocks form a narrow belt for more than 800...
Geochemistry of pore waters from Shell Oil Company drill holes on the continental slope of the northern Gulf of Mexico
F.T. Manheim, J. L. Bischoff
1969, Chemical Geology (4) 63-82
Pore waters were analyzed from 6 holes drilled from M.V. “Eureka” as a part of the Shell Oil Co. deeper offshore study. The holes were drilled in water depths of 600–3,000 ft. (approximately 180–550 m) and penetrated up to 1,000 ft. (300 m) of Pliocene-Recent clayey sediments. Salt and...
Ion association in natural brines
A.H. Truesdell, B.F. Jones
1969, Chemical Geology (4) 51-62
Natural brines, both surface and subsurface, are highly associated aqueous solutions. Ion complexes in brines may be ion pairs in which the cation remains fully hydrated and the bond between the ions is essentially electrostatic, or coordination complexes in which one or more of the hydration water molecules are...
