Inheritance patterns of enzymes and serum proteins of mallard-black duck hybrids
Raymond P. Morgan II, D. W. Meritt, S. B. Block, M. Cole, S. T. Sulkin, Forrest B. Lee, Charles J. Henny
1984, Biochemical Systematics and Ecology (12) 119-123
From 1974 to 1976, a breeding program was used to produce hybrids of black ducks and mallards for the evaluation of inheritance patterns of serum proteins and serum, liver and muscle enzymes. In addition to the crosses designed to produce hybrids, a series of matings in 1975 and 1976 were...
Spectral properties of ice‐particulate mixtures and implications for remote sensing: 1. Intimate mixtures
Roger N. Clark, Paul G. Lucey
1984, Journal of Geophysical Research: Solid Earth (89) 6341-6348
The spectral properties of water ice-particulate mixtures are studied for the purpose of deriving the ice and particulate abundances from remotely obtained spectra (particulates referring to nonicy materials in the form of grains). Reflectance levels and ice absorption band depths are a complex function of the single scattering albedo of...
HOT WATER DRILL FOR TEMPERATE ICE.
Philip L. Taylor
1984, Conference Paper, CRREL Special Report (US Army Cold Regions Research and Engineering Laboratory)
The development of a high-pressure hot-water drill is described, which has been used reliably in temperate ice to depths of 400 meters with an average drill rate of about 1. 5 meters per minute. One arrangement of the equipment weighs about 500 kilograms, and can be contained on two sleds,...
RECOMMENDATIONS FROM THE DEPARTMENT OF THE INTERIOR - EEZ SYMPOSIUM.
Robert W. Rowland, Bonnie A. McGregor
1984, Conference Paper, Oceans Conference Record (IEEE)
The Presidential proclamation on March 10, 1983, of a 200-nautical-mile-wide Exclusive Economic Zone (EEZ) focuses attention on the mineral resources of a vast submarine area. The hard-mineral resources in the EEZ include shallow-water placer deposits, polymetallic sulfide deposits, and cobalt-enriched manganese crusts in deeper water. The petroleum resource potential of...
A Model of Regional Ground-Water Flow in Secondary-Permeability Terrane
J. M. Gerhart
1984, Groundwater (22) 168-175
The ground-water flow system in the Lower Susquehanna River Basin in Pennsylvania and Maryland can be considered as one complex unconfined aquifer in which secondary porosity and permeability are the dominant influences on the occurrence and flow of ground water. The degree of development of...
Accelerator radiocarbon dating of evidence for prehistoric horticulture in Illinois
N. Conard, D.L. Asch, N.B. Asch, D. Elmore, H. Gove, M. Rubin, J.A. Brown, M.D. Wiant, K.B. Farnsworth, T.G. Cook
1984, Nature (308) 443-446
With the development of direct detection radiocarbon dating, which uses an accelerator as part of a highly selective mass spectrometer, it is now possible to determine the age of milligram samples of organic materials1-5. One application of accelerator dating is in evaluating scanty, sometimes controversial evidence for early horticulture throughout...
Applied cartographic communication: map symbolization for atlases.
J. L. Morrison
1984, Cartographica: The International Journal for Geographic Information and Geovisualization (21) 44-84
A detailed investigation of the symbolization used on general-purpose atlas reference maps. It indicates how theories of cartographic communication can be put into practice. Two major points emerge. First, that a logical scheme can be constructed from existing cartographic research and applied to an analysis of the choice of symbolization...
REMOTE SENSING IN NORTHERN ARIZONA: S. P. CINDER CONE AND LAVA FLOW.
Gerald C. Schaber, R.C. Kozak, Barbara A. Burns, K.I. Bartels
1984, Conference Paper
The objective of this poster paper is to present a site-specific atlas showing a wide variety of remote sensing data sets collected for the area of S. P. Mountain and lava flow (basaltic-andesite) in north-central Arizona. The data set to be displayed includes a number of radar images, representing three...
Origin and distribution of carbon dioxide in the unsaturated zone of the southern High Plains of Texas
Warren W. Wood, Michael J. Petraitis
1984, Water Resources Research (20) 1193-1208
Partial pressures of CO2, O2, N2, and Ar were monitored at two locations in the Ogallala aquifer system on the Southern High Plains of Texas. Samples were collected monthly during parts of 1980–1981 from nine depths ranging from 0.6 to 36 meters below land surface. PCO2 was observed to be greater at...
EFFECTS OF LOCALIZED AQUIFER BOILING ON FLUID PRODUCTION AT CERRO PRIETO.
Alfred H. Truesdell, Franco D’Amore, David Nieva
1984, Conference Paper, Transactions - Geothermal Resources Council
Localized aquifer boiling in the shallow two-phase reservoir of Cerro Prieto has produced excess steam and increased electrical output. Unfortunately it has also caused near-well mineral deposition that has decreased permeability and fluid flow. Inflow of cold water has limited the extent of aquifer boiling and permeability loss. The deeper...
Permeability of fault gouge under confining pressure and shear stress
C.A. Morrow, L.Q. Shi, J.D. Byerlee
1984, Journal of Geophysical Research Solid Earth (89) 3193-3200
The permeability of both clay-rich and non-clay gouges, as well as several pure clays, was studied as a function of confining pressures from 5 to 200 MPa and shear strain to 10. Permeability ranged over four orders of magnitude, from around 10−22 to 10−18 m2 (1 darcy = 0.987 × 10−12 m2). The lowest...
Banded iron-formations of late Proterozoic age in the central eastern desert, Egypt: Geology and tectonic setting
P.K. Sims, H. L. James
1984, Economic Geology (79) 1777-1784
In the central Eastern Desert of Egypt, deposits of iron-formation of the Algoma type occur as sharply defined stratigraphic units within layered volcanogenic rocks of late Proterozoic age. The volcanic sequence is characterized by interfingering and repetition of rocks of dominantly andesite-basalt composition and by tectonically juxtaposed ophiolitelike assemblages; it...
Proton and metal ion binding to natural organic polyelectrolytes—II. Preliminary investigation with a peat and a humic acid
J.A. Marinsky, M.M. Reddy
1984, Organic Geochemistry (7) 215-221
We summarize here experimental studies of proton and metal ion binding to a peat and a humic acid. Data analysis is based on a unified physico-chemical model for reaction of simple ions with polyelectrolytes employing a modified Henderson-Hasselbalch equation. Peat exhibited an apparent intrinsic acid dissociation constant of 10−4.05, and...
Modeling crater topography and albedo from monoscopic Viking orbiter images: 1. Methodology
P. A. Davis, L.A. Soderblom
1984, Journal of Geophysical Research Solid Earth (89) 9449-9457
A new photoclinometric technique for extraction of topographic data from single planetary images is presented that overcomes many previous limitations of photoclinometry. The procedure fully compensates for oblique viewing geometry prevalent in spacecraft images. Albedo variations have been one of the most serious obstacles in the application of photoclinometry to...
Small-scale features in the Earth's magnetic field observed by Magsat
J.C. Cain, D.R. Schmitz, L. Muth
1984, Journal of Geophysical Research Solid Earth (89) 1070-1076
A spherical harmonic expansion to degree and order 29 is derived using a selected magnetically quiet sample of Magsat data. Global maps representing the contribution due to terms of the expansion above n = 13 at 400 km altitude are compared with previously published residual anomaly maps and shown to be similar,...
GEOLOGIC APPLICATIONS OF SIDE-LOOKING AIRBORNE RADAR DATA IN THE CENTRAL APPALACHIAN MOUNTAINS.
Howard A. Pohn, C. Scott Southworth
1984, Conference Paper
Side-looking airborne radar has provided a sufficiently detailed synoptic view of the central Appalachian Mountains that the images give an unparalleled representation of the size and nature of the folds within the Valley and Ridge province. The radar data show that fold wavelengths decrease abruptly south of the region of...
FEDERAL MINERAL LAND INFORMATION SYSTEM.
Richard L. Kleckner
1984, Conference Paper, Technical Papers of the American Congress of Surveying and Mapping
The ability of geographic information systems to combine point, line, and areal data has been widely documented, although the establishment of a particular data base presents its own unique problems. The U. S. Geological Survey is developing a geographic information system consisting of information on Federal surface ownership, Federal subsurface...
Holocene age of the Yuha burial: Direct radiocarbon determinations by accelerator mass spectrometry
Thomas W. Stafford Jr., A.J.T. Jull, T.H. Zabel, D.J. Donahue, R.C. Duhamel, K. Brendel, C.V. Haynes Jr., J. L. Bischoff, L.A. Payen, R.E. Taylor
1984, Nature (308) 446-447
The view that human populations may not have arrived in the Western Hemisphere before about 12,000 radiocarbon yr BP1,2 has been challenged by claims of much greater antiquity for a small number of archaeological sites and human skeleton samples. One such site is the Homo sapiens sapiens cairn burial excavated...
Lithotectonic assemblages as portrayed on the new bedrock geologic map of Massachusetts.
Norman L. Hatch Jr., E-An Zen, Richard Goldsmith, Nicholas M. Ratcliffe, Peter Robinson, Rolfe S. Stanley, David R. Wones
1984, American Journal of Science (284) 1026-1034
Scale of 1:250,000. The map units are grouped into eight lithotectonic packages. Five "zones" of older rocks that cover the whole state are, from west to east, the Taconic-Berkshire, Rowe-Hawley, Bronson Hill, Nashoba, and Milford-Dedham. In central and western Massachusetts, these zones are overlain by the Connecticut Valley and Merrimack...
Potential flow through channel constriction.
J. K. Lee
1984, Journal of Hydraulic Engineering (110) 515-520
Potential flow through an eccentric, normal constriction of zero thickness in an infinitely long, straight channel of constant width and unit depth is studied by use of a Schwarz-Christoffel transformation. The transformation is integrated by a direct approach. Parametric equations for streamlines are obtained and used to compute an average...
ORIGIN OF QUARTZ IN COAL.
Leslie F. Ruppert, C. Blaine Cecil, Ronald W. Stanton
1984, Conference Paper, ACS Division of Fuel Chemistry, Preprints
Both a scanning electron microscope and an electron microprobe (EMP) were used in this study to analyze the cathodoluminescence properties of quartz grains in samples of the Upper Freeport coal bed because quartz grains in coal are small (silt sized) and below the resolution capabilities of a standard luminoscope. Quartz...
Evaluation of the National Archives program to convert nitrate aerial photographs of the United States to a stable-base safety film.
R.S. Williams Jr., T.R. Lyons, J.G. Ferrigno, M.C. Quinn
1984, Photogrammetric Engineering and Remote Sensing (50) 1437-1441
Discusses the programme on reproducing the 1930's and early 1940's nitrate aerial photographs of large areas of the US onto stable-base safety film, and the proceedings of a February 1981 meeting at the National Archives and Records Service, General Services Administration, which discussed the programme and inspected the results of...
IUGS/UNESCO geologic applications of remote sensing (GARS) program
P. Teleki
1984, Advances in Space Research (4) 41
[No abstract available]...
Graphite sample preparation for AMS in a high pressure and temperature press
M. Rubin, B.O. Mysen, H. Polach
1984, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms (5) 272-273
A high pressure-high temperature press is used to make target material for accelerator mass spectrometry. Graphite was produced from typical 14C samples including oxalic acid and carbonates. Beam strength of 12C was generally adequate, but random radioactive contamination by 14C made age measurements impractical. ?? 1984....
The occurrence and behavior of radium in saline formation water of the U.S. Gulf Coast region
T. F. Kraemer, D.F. Reid
1984, Chemical Geology (46) 153-174
Radium has been measured in deep saline formation waters produced from a variety of U.S. Gulf Coast subsurface environments, including oil reservoirs, gas reservoirs and water-producing geopressured aquifers. A strong positive correlation has been found between formation-water salinity and Ra activity, resulting from the interaction of formation water with aquifer...
