The soil creep-curved tree fallacy
Richard L. Phipps
1974, Journal of Research of the U.S. Geological Survey (2) 371-377
No evidence has been found in eastern deciduous forests to substantiate statements that curved tree trunks, downslope tilted tree trunks, and upslope trailing tree root systems are the result of soil creep. Curvature and tilting of trunks are described as geotropic and phototropic responses to physical and physiological conditions unrelated...
Chemical variations across the Alaska-Aleutian Range batholith
Bruce L. Reed, Marvin A. Lanphere
1974, Journal of Research of the U.S. Geological Survey (2) 343-352
A study of 79 chemical analyses of plutonic rocks in the northern part of the Alaska-Aleutian Range batholith shows that K2O and SiO2 in Late Cretaceous and Tertiary rocks decrease toward the Pacific margin and that Al2O3 and CaO increase. Plots for Fe2O3, FeO, MgO, and TiO2 suggest a...
Thallium-bearing orpiment, Carlin gold deposit, Nevada
Arthur S. Radtke, Charles M. Taylor, F. W. Dickson, Chris Heropoulos
1974, Journal of Research of the U.S. Geological Survey (2) 341-342
A variety of orpiment, As2S3 , containing a significant amount of thallium has been identified in the unoxidized East ore body of the Carlin gold deposit. The mineral occurs in small veinlets with barite, calcite, quartz, and realgar....
The Border Ranges Fault in south-central Alaska
E. M. MacKevett, George Plafker
1974, Journal of Research of the U.S. Geological Survey (2) 323-329
The Border Ranges fault, a major fault of southern Alaska, can be traced for more than 1,000 km arcuately eastward from Kodiak Island to the St. Elias Mountains. Throughout its extent, the fault juxtaposes upper Paleozoic and lower Mesozoic rocks on the north against upper Mesozoic and Tertiary rocks. This...
Generalized geology and structure of the Winkelman 15-minute quadrangle and vicinity, Pinal and Gila Counties, Arizona
M. H. Krieger
1974, Journal of Research of the U.S. Geological Survey (2) 311-321
A. northwest-trending belt of steeply east-dipping Precambrian and Paleozoic sedimentary rocks extends across the Winkelman 15-minute quadrangle and separates areas of contrasting structures. To the southwest for 60 mi is an expanse of Precambrian basement, largely granite; to the northeast the Precambrian and Paleozoic sedimentary rocks are gently tilted and...
Remote sensing for identification and classification of wetland vegetation
L.M. Cowardin, V.I. Myers
1974, Journal of Wildlife Management (38) 308-314
Multispectral photography and ground truth were obtained on an area 12 miles (19.3 km) east of Bemidji, Minnesota, to identify and map wetlands less than 2 acres (0.8 hectare) in size, to map emergent vegetation in lakes, and to explore the feasibility of classifying vegetation from aerial photographs. Wetlands less...
The Bright Angel and Mesa Butte fault systems of northern Arizona
Eugene Merle Shoemaker, R. L. Squires, M. J. Abrams
Thor Nels Vincent Karlstrom, Gordon Alfred Swann, Raymond L. Eastwood, editor(s)
1974, Book chapter, Geology of northern Arizona with notes on archaeology and paleoclimate: Part I — Regional studies
No abstract available....
Hydrogeology of Antietam Creek basin
Larry J. Nutter
1974, Journal of Research of the U.S. Geological Survey (2) 249-252
The Antictam Creek basin in the Great Valley of Maryland and Pennsylvania is underlain almost entirely by intensely folded and faulted lower Paleozoic carbonate rocks. The ground-water discharge of the basin is about 85 percent of the total discharge, in contrast with less than 70 percent of the total discharge...
WATEQ, a computer program for calculating chemical equilibria of natural waters
A. H. Truesdell, Blair F. Jones
1974, Journal of Research of the U.S. Geological Survey (2) 233-248
The computer program, WATEQ, calculates the equilibrium distribution of inorganic aqueous species of major and important minor elements in natural waters using the chemical analysis and in situ measurements of temperature, pH, and redox potential. From this model, the states of reaction of the water with solid and gaseous phases...
Interpretation of aeromagnetic anomalies bearing on the origin of upper Chesapeake Bay and river course changes in the Central Atlantic Seaboard Region: Speculations
Michael W. Higgins, Isidore Zietz, George Wescott Fisher
1974, Geology (2) 73-76
On an aeromagnetic map of the Chesapeake Bay area, the northeastern part of the bay coincides well with a deep, “flat” magnetic low, and the upper part of the Delmarva Peninsula east of the bay coincides with detailed magnetic highs; the two areas are separated by a steep, straight gradient...
Configuration of Precambrian rocks in southeastern New York and adjacent New England from aeromagnetic data
David S. Harwood, Isidore Zietz
1974, GSA Bulletin (85) 181-188
Two aeromagnetic anomalies of regional extent outline two previously unknown buried masses of highly magnetic, probably Precambrian, rocks in southeastern New York and adjacent Vermont, Massachusetts, and Connecticut. The northern mass extends northeastward from Albany, New York, to Bennington, Vermont, where it appears to be buried beneath weakly magnetic Precambrian...
Prehnite- and pumpellyite-bearing mineral assemblages, west side of the Appalachian metamorphic belt, Pennsylvania to Newfoundland
E-an Zen
1974, Journal of Petrology (15) 197-242
Prehnite- and/or pumpellyite-bearing meta-igneous rocks are found on the west side of the Appalachian metamorphic belt (1) near Jonestown, south-eastern Pennsylvania; (2) on Rensselaer Plateau, eastern New York; (3) near Quebec City, Quebec; and (4) at Little Port, Humber Arm, western Newfoundland. The assemblages critical to determining the conditions...
Seismicity and earthquake hazards of the Wasatch Front, Utah
H. Spall
1974, Earthquake Information Bulletin (USGS) (6) 12-17
The impressive topographic break at the base of the Wasatch Range immediately east of Salt Lake City, Utah, marks the location where Mormon colonizer Brigham Young said in 1847. "This is the place" Actually, "the place" is termed the Wasatch Front because the Wasatch Range to the east, which rises...
Earthquake history of Nevada
C. A. von Hake
1974, Earthquake Information Bulletin (USGS) (6) 26-29
Since 1852, more than 30 shocks of intensity VI or greater (Modified Mercalli scale) have occurred in western Nevada. At least three of these were classified as intensity X. In addition, seven earthquakes (intensity VI or greater) were centered in the eastern part of the State. Almost 2,000 other shocks...
Salinity studies in East Glades Agricultural Area, southeastern Dade County, Florida
J.E. Hull, F.W. Meyer
1973, Open-File Report FL 73-005
Salinity studies in East Glades Agricultural Area, southeastern Dade County, Florida...
Reconnaissance of the water resources in the vicinity of proposed deep-well injection sites in southeast Dade County, Florida
J.E. Earle, F.W. Meyer
1973, Open-File Report 73-65
Deep-well injection has been selected by the Dade County Water and Sewer Authority as a means of disposing treated waste water in southeast Dade County. Preliminary plans call for the construction of a county-owned sanitary sewage treatment plant and several 3,000-foot deep injection wells at 1,000-foot intervals on Levee 31E....
Ground-water resources of Wheeler and eastern Gray Counties, Texas
M.L. Maderak
1973, Report 170
Wheeler and eastern Gray Counties are in the east·central part of the Texas Panhandle. The two counties are characterized by rolling to fairly rugged topography with many sand-dune areas and a well developed drainage system....
Geological literature on the San Joaquin Valley of California
J.C. Maher, W.M. Trollman, J.M. Denman
1973, Book
The following list of references includes most of the geological literature on the San Joaquin Valley and vicinity in central California (see figure 1) published prior to January 1, 1973. The San Joaquin Valley comprises all or parts of 11 counties -- Alameda, Calaveras, Contra Costa, Fresno, Kern, Kings, Madera,...
Hydrogeologic data for the Quinnipiac River basin, Connecticut
David L. Mazzaferro
1973, Connecticut Water Resources Bulletin 26
This report contains geologic, ground-water, and quality-of-water data collected for the ground-water part of a water-resources inventory of the Quinnipiac River basin, Connecticut. The study was made by the U.S. Geological Survey in fiscal cooperation with the Connecticut Department of Environmental Protection. Collection sites for data used in the study...
Time-of-travel study, Batten Kill from 0.6 mile east of Vermont-New York border to Clarks Mills, New York
H.L. Shindel
1973, New York State Department of Environmental Conservation Report of Investigations RI-12
Chemical quality of surface water in the eastern Oswego River basin, New York
W. J. Shampine
1973, Basin Planning Report ORB-6
Recurrence of seismic migrations along the central California segment of the San Andreas fault system
M.D. Wood, S.S. Allen
1973, Nature (244) 213-215
VERIFICATIONS of tectonic concepts1 concerning seafloor spreading are emerging in a manner that has direct bearing on earthquake prediction. Although the gross pattern of worldwide seismicity contributed to the formulation of the plate tectonic hypothesis, it is the space-time characteristics of this seismicity that may contribute more...
Preliminary investigation of land subsidence in the Sacramento Valley, California
B. E. Lofgren, R. L. Ireland
1973, Open-File Report 74-1064
Although a number of agencies have made leveling surveys in Sacramento Valley and a valleywide network of first- and second-order control exists, few areas have sufficient control for determining whether land subsidence has occurred and if so, how much, within the time span of vertical control. Available data suggest that...
Availability of water from limestone and dolomite aquifers in southwest Ohio and the relation of water quality to the regional flow system
Stanley Eugene Norris, Richard E. Fidler
1973, Water-Resources Investigations Report 73-17
The largest ground-water supplies from the 150 to 450-foot thick carbonate-rock aquifer in southwest Ohio are available in a 2,800 squaremile area on the crest and eastern flank of the Cincinnati arch. Well production in the high-yield area is mainly from the Newburg zone, a permeable stratum in the lower...
Hydrology of the Bayou Bartholomew alluvial aquifer-stream system, Arkansas
M.E. Broom, J.E. Reed
1973, Open-File Report 73-34
The study area comprises about 3,200 square miles of the Mississippi Alluvial Plain in southeast Arkansas. About 90 percent of the area drains south to the Ouachita River in Louisiana. The alluvial aquifer and the streams are hydraulically connected and are studied as an aquifer-stream system. Bayou Bartholomew is a...
