Earthquakes November-December 1984
W. J. Person
1985, Earthquake Information Bulletin (USGS) (17) 110-114
Major earthquakes (7.0-7.9) were located in Sumatera, the Philippine Vanuatu Islands, Kamchatka, and the Mid-Atlantic Ocean during this reporting period. Earthquake-related deaths were reported from a magnitude 5.8 quake in India. There was no significant damage from earthquakes in the United States. ...
Partitioning studies of coal-tar constituents in a two-phase contaminated ground-water system
Colleen E. Rostad, W. E. Pereira, M. F. Hult
1985, Chemosphere (14) 1023-1036
Organic compounds derived from coal-tar wastes in a contaminated aquifer in St. Louis Park, Minnesota, were identified, and their partition coefficients between the tar phase and aqueous phase were determined and compared with the corresponding n-octanol/water partition coefficients. Coal tar contains numerous polycyclic aromatic compounds, many of which are suspected...
Earthquakes, July-August 1984
W. J. Person
1985, Earthquake Information Bulletin (USGS) (17) 34-37
There were no major earthquakes (7.0-7.9) and no earthquake related deaths reported during this period but injuries and damage were experienced in Japan from earthquakes. There were no earthquake casualties reported in the United States but some minor damage was reported. ...
Hydrologic and geochemical monitoring in Long Valley caldera, Mono County, California, 1982-1984
C. D. Farrar, M.L. Sorey, S. Rojstaczer, C. J. Janik, Robert H. Mariner, T. L. Winnett, M. D. Clark
1985, Water-Resources Investigations Report 85-4183
The Long Valley caldera is a potentially active volcanic area on the eastern side of the Sierra Nevada in east-central California. Hydrologic and geochemical monitoring of surface and subsurface features began in July 1982 to determine if changes were occurring in response to processes causing earthquakes and crustal deformation. Differences...
Ages of subsurface stratigraphic intervals in the Quaternary of Enewetak Atoll, Marshall Islands
Barney J. Szabo, J. I. Tracey Jr., E.R. Goter
1985, Quaternary Research (23) 54-61
Drill cores of Enewetak Atoll, Marshall Islands, reveal six stratigraphic intervals, numbered in downward sequence, which represent vertical coral growth during Quaternary interglaciations. Radiocarbon dates indicate that the Holocene sea transgressed the emergent reef platform by about 8000 yr B.P. The reef grew rapidly upward (about 5 to 10 mm/yr)...
Organochlorine-induced mortality and residues in long-billed curlews from Oregon
L. J. Blus, Charles J. Henny, A. J. Krynitsky
1985, The Condor (87) 563-565
No abstract available....
Earthquakes, January-February 1985
W. J. Person
1985, Earthquake Information Bulletin (USGS) (17) 149-152
There were no major earthquakes (7.0-7.9) during the first two months of the year. Argentina reported the first deaths from an earthquake on January 26 and Iran reported on earthquake-related death on February 2. In the United States, there were no casualties or damage reported from earthquakes. ...
Invertebrate colonization rates in the tailwater of a Kentucky flood-control reservoir
W.D. Swink, J.F. Novotny
1985, Journal of Freshwater Ecology (3) 27-34
Invertebrate colonization on newly introduced rock substrates was examined from July through October 1982 in the tailwater of Barren River Lake, Kentucky. Chironomidae, the dominant taxon of benthic insects, reached full colonization by day 14. Colonization by Oligochaeta, the other major invertebrate taxon, was not completed by the end...
Organochlorine concentrations in prefledging common terns Sterna hirundo at three Rhode Island USA colonies
T. W. Custer, C.M. Bunck, C.L. Stafford
1985, Colonial Waterbirds (8) 150-154
Concentrations of DDE, polychlorinated biphenyls (PCBs), and polychlorinated diphenyl ethers (PCDPEs) in carcasses of prefledging Common Terns (Sterna hirundo) at three Rhode Island colonies support the hypothesis that local contamination is responsible for among-colony differences observed in eggs in an earlier study. The highest concentrations of DDE and PCBs (mean=0.24...
Nonpoint-source discharges and water quality of the Elk Creek basin, west-central Wisconsin
S. J. Field
1985, Water-Resources Investigations Report 84-4094
The Elk Creek basin in west-central Wisconsin was studied during the 1980 water year to define the water quality in relation to streamflow. Agricultural nonpoint-source discharges were suspected of contributing significantly to degraded water quality. Two water quality and streamflow gaging stations were established--one on Elk Creek near Independence and...
Algorithm to reduce approximation error from the complex-variable boundary-element method applied to soil freezing.
T. V. Hromadka II, G. L. Guymon
1985, Numerical heat transfer (8) 115-130
An algorithm is presented for the numerical solution of the Laplace equation boundary-value problem, which is assumed to apply to soil freezing or thawing. The Laplace equation is numerically approximated by the complex-variable boundary-element method. The algorithm aids in reducing integrated relative error by providing a true measure of modeling...
Petrology and tectonic significance of augen gneiss from a belt of Mississippian granitoids in the Yukon-Tanana terrane, east- central Alaska
Cynthia Dusel-Bacon, John N. Aleinikoff
1985, Geological Society of America Bulletin (96) 411-425
An approximately E-W-trending belt of porphyritic peraluminous granitic rocks, metamorphosed and deformed to augen gneiss, is exposed for 400 km across the Yukon-Tanana terrain. Chemical, textural, and isotopic data from large augen-gneiss bodies indicate that these bodies originated as early Mississippian granitic rocks that assimilated, or were anatectically derived from,...
Observations on twinning in the sea lamprey (Petromyzon marinus) in the laboratory
Lee H. Hanson
1985, Journal of Great Lakes Research (11) 549-551
Forty-five sets of separate, normal twins were produced from four portions of the eggs from one female sea lamprey (Petromyzon marinus) each fertilized by a different male. The percentage of twinning in the different groups of embryos ranged from 1.0 to...
Element mobility studies of two drill-cores from the Götemar Granite (Kråkemåla test site), southeast Sweden
John A.T. Smellie, John S. Stuckless
1985, Chemical Geology (51) 55-78
A pilot study was carried out on two relatively deep drill-cores (∼ 600 m) from the Götemar Granite massif in S.E. Sweden. This granite is typical of the 1400-Ma anorogenic granites of the northern hemisphere. Samples from representative, unfractured parts of the cores, together with four samples taken along...
Some mineral stability relations in the system CaO MgO SiO2 H2O HCl
R.W. Luce, G.L. Cygan, J.J. Hemley, W. M. d’Angelo
1985, Geochimica et Cosmochimica Acta (49) 525-538
Mineral-aqueous solution equilibria for the assemblages talc-quartz, tremolite-talc-quartz, diopside-tremolite-quartz, wollastonite-diopside-quartz and wollastonite-quartz have been studied at 2 kb total pressure, 500° to 700°C and chloride concentrations from 0.03 to 6.0 molal. Most work was at 1 m chloride. Both buffered and unbuffered data were obtained and a recalibration of the...
Distribution and food habits of young-of-the-year fishes in a backwater lake of the upper Mississippi River
L. E. Holland, M.L. Huston
1985, Journal of Freshwater Ecology (3) 81-91
The distribution patterns and food habits of young-of-the-year (YOY) fishes in a lentic area adjacent to the main channel of Pool 7 of the upper Mississippi River were studied. Habitats sampled grouped distinctly based on percent composition and abundance of YOY fishes with those having submergent vegetation dominated...
Bottom current and sediment transport on San Pedro Shelf, California
David E. Drake, David A. Cacchione, Herman A. Karl
1985, Journal of Sedimentary Research (55) 15-28
GEOPROBE (Geological Processes Bottom Environmental) tripods were used to measure bottom currents, pressure, and light transmission and scattering and to obtain time-series photographs of the sea floor at depths of 23 m and 67 m on San Pedro shelf between 18 April and 6 June 1978. Winds were light (<...
Ferromanganese crusts from Necker Ridge, Horizon Guyot and S.P. Lee Guyot: Geological considerations
James R. Hein, Frank T. Manheim, William C. Schwab, Alice S. Davis
1985, Marine Geology (69) 25-54
Necker Ridge, Horizon Guyot and S.P. Lee Guyot in the Central Pacific were sampled, seismically surveyed, and photographed by bottom cameras in order to better understand the distribution, origin, and evolution of ferromanganese crusts. Necker Ridge is over 600 km long with a rugged crest, pods of sediment to 146...
Toxicity of the lampricides 3-trifluoromethyl-4-nitrophenol (TFM) and 2',5-dichloro-4'-nitrosalicylanilide (Bayer 73) to eggs and nymphs of the mayfly (Hexagenia sp.)
T.D. Bills, L. L. Marking, J.J. Rach
1985, Technical Report 47
Eggs and nymphs of mayflies (Hexagenia sp.) were exposed to the lampricides 3-trifluoromethyl-4- nitrophenol (TFM) and 2',5-dichloro-4'-nitrosalcylanilide (Bayer 73) and to a mixture of 98% TFM and 2% Bayer 73 (TFM-2B) to determine the sensitivity of various life stages to these compounds. Some eggs and newly hatched...
Sulphur in char and char desulphurization by acid leaching and hydropyrolysis
I.-M. Chou, D.M. Loffredo
1985, Fuel (64) 731-734
Sulphur compounds volatilized during pyrolysis of acid-leached char were measured to determine characteristics of char desulphurization reactions. Pyrolysis of char in a hydrogen atmosphere (hydropyrolysis) produced a much higher concentration of thiophenic organics compared with that produced during pyrolysis in a nitrogen atmosphere. Hydrogen sulphide gas evolution, at progressively increasing...
Determination of carbonate carbon in geological materials by coulometric titration
E.E. Engleman, L. L. Jackson, D. R. Norton
1985, Chemical Geology (53) 125-128
A coulometric titration is used for the determination of carbonate carbon in geological materials. Carbon dioxide is evolved from the sample by the addition of 2 M perchloric acid, with heating, and is determined by automated coulometric titration. The coulometric titration showed improved speed and precision with comparable accuracy to...
Application of the 1:2,000,000-scale data base: A National Atlas sectional prototype
Donna M. Dixon
1985, Conference Paper, Technical Papers of the American Congress of Surveying and Mapping
A study of the potential to produce a National Atlas sectional prototype from the 1:2,000,000-scale data base was concluded recently by the National Mapping Division, U. S. Geological Survey. This paper discusses the specific digital cartographic production procedures involved in the preparation of the prototype map, as well as the...
A study of the depth of weathering and its relationship to the mechanical properties of near-surface rocks in the Mojave Desert
D.J. Stierman, J. H. Healy
1985, Pure and Applied Geophysics PAGEOPH (122) 425-439
Weathered granite extends 70 m deep at Hi Vista in the arid central Mojave Desert of southern California. The low strength of this granite is due to the alteration of biotite and chlorite montmorillonite. Deep weathering probably occurs in most granites, although we cannot rule out some anomalous mechanisms at...
Migration of wood-preserving chemicals in contaminated groundwater in a sand aquifer at Pensacola, Florida
D.F. Goerlitz, D.E. Troutman, E.M. Godsy, B.J. Franks
1985, Environmental Science & Technology (19) 955-961
Operation of a wood-preserving facility for nearly 80 years at Pensacola, FL, contaminated the near-surface groundwater with creosote and pentachlorophenol. The major source of aquifer contamination was unlined surface impoundments that were in direct hydraulic contact with the groundwater. Episodes of overtopping the impoundments and overland flow of treatment liquor...
The age and origin of felsic intrusions of the Thetford Mines ophiolite, Quebec
D.A. Clague, C.S. Frankel, J.S. Eaby
1985, Canadian Journal of Earth Sciences (22) 1257-1261
The Thetford Mines ophiolite in southern Quebec was obducted in Early Ordovician time during the closing of the proto-Atlantic. The tectonized peridotite lower unit of the ophiolite is intruded by felsic dikes and pods including isolated lenses of massive rodingite, small bodies of strongly deformed diorite, and younger, less deformed...
