Primary and secondary faulting in the Najd fault system, Kingdom of Saudi Arabia
John McMahon Moore
1979, Open-File Report 79-1661
The Najd fault system is a major transcurrent (strike-slip) fault system of Proterozoic age in the Arabian Shield. The system is a braided complex of parallel and curved en echelon faults. Complex arrays of secondary structures including strike-slip, oblique-slip, thrust, and normal faults, together with folds and dike swarms, are...
The subsurface geology of the Florida-Hatteras shelf, slope, and inner Blake Plateau
Charles K. Paull, William P. Dillon
1979, Open-File Report 79-448
The structure and stratigraphy of the Florida-Hatteras Slope and inner Blake Plateau was studied by means of 4,780 km of single-channel air gun seismic reflection profiles. Control for the seismic stratigraphy is provided by correlating reflecting units and paleontologically dated stratigraphic units identified in offshore wells and dredge hauls. Many...
Investigation of the Hosgri fault, offshore southern California, Point Sal to Point Conception
C. M. Payne, O. E. Swanson, B. A. Schell
1979, Open-File Report 79-1199
A high-resolution seismic reflection survey of the inner continental shelf between Point Sal and Point Conception has revealed faults that displace post-Wisconsin strata (less than 17,000-20,000 years). These faults are the Hosgri fault, the Offshore Lompoc fault, and smaller unnamed faults. Faults trending offshore from the adjacent shoreline such as...
Seepage study for unnamed tributary to Alder Creek, Stevens County, Washington
P.J. Carpenter, B. W. Drost
1979, Water-Resources Investigations Report 79-33
Analysis of seepage measurements in the Alder Creek basin, Stevens County, Wash., shows that approximately 50% of 0.2 cubic foot per second taken from an unnamed tributary and used for the 1978 irrigation season would have reached Alder Creek as surface flow. Differences in discharge and specific conductance are explained...
Stress-relief borehole measurements before and after quarrying a block of Barre Granite at Barre, Vermont
Danny R. Miller, G.E. Brethauer
1979, Open-File Report 79-1524
In situ stresses were measured in a 10X10X5.7-m block of Barre Granite of Devonian age at the Wetmore and Morse granite quarry at Barre, Vt., before and after it was quarried. The stresses were measured with the U.S. Bureau of Mines borehole deformation gage in both the horizontal and vertical...
A digital model for simulation of ground-water hydrology in the Houston area, Texas
Walter Richard Meyer, Jerry E. Carr
1979, Open-File Report 79-677
No abstract available....
Petroleum source potential of rocks dredged from the continental slope in the eastern Gulf of Alaska
George Plafker, George Edwin Claypool
1979, Open-File Report 79-295
A bedrock dredging program by the R/V Sea Sounder in 1977 and 1978 along the continental slope in the eastern Gulf of Alaska revealed a previously unknown Eocene sedimentary sequence that includes argillaceous rocks with favorable petroleum source rock characteristics. Seven of 36 dredge hauls that sampled outcrop contain argillaceous...
Observations on the geology and petroleum potential of the Cold Bay-False Pass area, Alaska Peninsula
Hugh James McLean
1979, Open-File Report 79-1605
Upper Jurassic strata in the Black Hills area consist mainly of fossiliferous, tightly cemented, gently folded sandstone deposited in a shallow marine environment. Upper Cretaceous strata on Sanak Island are strongly deformed and show structural features of broken formations similar to those observed in the Franciscan assemblage of California. Rocks...
Water in the Elizabethtown area: A study of a limestone terrane in north-central Kentucky
T. W. Lambert
1979, Water-Resources Investigations Report 79-53
The Elizabethtown area of north-central Kentucky contains aquifers and streams that yield adequate quantities of water of suitable quality for most individual domestic needs as well as for industrial, public supply, and irrigation uses.The area consists of typical karst with numerous sinkholes and subsurface drainage. The bedrock structure controls, in...
Uranium results for 147 water samples from the Elkhorn Wilderness Study Area, Montana
John B. McHugh, William R. Miller
1979, Open-File Report 79-675
One hundred forty seven water samples were corrected from the Elkhorn Wilderness during the summer of 1977 as a part of a mineral resource assessment study. Each sample was analyzed for uranium. Specific conductance and pH were also measured. Sample analyses and site locations are presented in this report....
Geologic description of selected strong-motion accelerograph sites, Part II
B.L. Silverstein
1979, Open-File Report 79-428
One of the major tasks of the U.S. Geological Survey as regards seismic engineering is the collection and dissemination of strong-motion accelerograph records. When analyzing these records certain information describing the instrument site is important: local geology; instrument housing (buildings, dams, bridges, instrument shelters, etc.); local topography; and proximity of...
Decollement in the southern Allegheny Plateau of Pennsylvania
Howard A. Pohn, Terri L. Purdy
1979, Open-File Report 79-1321
Recent field investigations in the Allegheny Plateau north of Williamsport, Pennsylvania have shown the presence of both southward dipping, low-angle thrust faults translated to the north and northward dipping back or antithectic thrusts translated to the south at the leading (north) edge of Barclay syncline. The presence of these thrusts,...
Stormwater-runoff data for a multifamily residential area, Dade County, Florida
Jack Hardee, Robert A. Miller, Harold C. Mattraw Jr.
1979, Open-File Report 79-1295
Rainfall, stormwater discharge, and water-quality data for a multifamily residential area in Dade County, Florida, are summarized in this report. Loads for 19 water-quality constituents were computed for runoff from 16 storms from May 1977 through June 1978. The 14.7 acre basin contains apartment buildings with adjacent parking lots. The...
Thrust fault zones in the Allegheny Plateau of north-central Pennsylvania
Howard A. Pohn, Terri L. Purdy
1979, Open-File Report 79-1604
Field investigations in the Williamsport Valley identify lineaments found on Landsat III images, have shown the presence of six discrete fault zones that strike subparallel to the trend of the Appalachian folds. These zones range from 0.5 to 1.75 km in width and from at least 10 km to more...
Some reconnaissance-type electrical surveys of Timber Mountain Caldera, Nye County, Nevada
Charles J. Zablocki
1979, Open-File Report 79-1695
Analytical method for dissolved-organic carbon fractionation
Jerry A. Leenheer, Edward W. D. Huffman Jr.
1979, Water-Resources Investigations Report 79-4
A standard procedure for analytical-scale dissolved organic carbon fractionation is presented, whereby dissolved organic carbon in water is first fractionated by a nonionic macroreticular resin into acid, base, and neutral hydrophobic organic solute fractions, and next fractionated by ion-exchange resins into acid, base, and neutral hydrophilic solute fractions. The hydrophobic...
A technique for estimating heights reached by the 100-year flood on unregulated, nontidal streams in North Carolina
R. W. Coble
1979, Water-Resources Investigations Report 79-69
A method for estimating the heights reached by floods having a recurrence interval of 100 years is defined for nontidal streams with unregulated flows in North Carolina. The flood heights are the vertical distance between stream stage at median discharge (50 percent duration) and the 100-year flood stage and are...
Land use and land cover, 1974, Pratt, Kansas
Water Resources Division, U.S. Geological Survey
1979, Land Use and Land Cover 28
Monthly and annual water budgets of Lake Wingra, Madison, Wisconsin, 1972-77
R.P. Novitzki, B. K. Holmstrom
1979, Water-Resources Investigations Report 79-100
This report presents estimated annual and monthly water budgets for Lake Wingra and the adjacent wetland area for January 1972 through September 1972. Annually, inputs from precipitation, surface runoff, and groundwater inflow are approximately equal (31, 34, and 35 percent, respectively). Outputs include outflow from the lake into Murphy Creek...
Hydrologic data for urban studies in the Fort Worth, Texas, metropolitan area, 1977
R.M. Slade Jr., J.M. Taylor, D.L. Haynes
1979, Open-File Report 79-216
Hydrologic investigations of urban areas in Texas were begun by the U.S. Geological Survey in 1954. These investigations are now in progress in several major metropolitan areas including Austin, Dallas, Dallas County, Fort Worth, Houston, and San Antonio.In October 1968, the Geological Survey, in cooperation with the city of Fort...
Lithologic log, lithium content, and mineralogy of sediments penetrated in test boring drilled in Eureka Valley, Inyo County, California
James D. Morgan
1979, Open-File Report 79-1089
A test boring was drilled in a playa in Eureka Valley, Calif., by the U.S. Geological Survey in the spring of 1978. Work was done under the terms of a cooperative agreement between the U.S. Geological Survey and the U.S. Bureau of Land Management to evaluate the leasable mineral potential...
Hydrologic data for urban studies in the Austin, Texas, metropolitan area, 1977
R.M. Slade, J.D. Gordon, R.N. Mitchell
1979, Open-File Report 79-271
No abstract available....
Annotated geologic bibliography for the Richfield 1° x 2° Quadrangle, Utah
M.G. Nelson, Calvin Stanton Bromfield
1979, Open-File Report 79-1565
No abstract available. ...
Chemical analyses of surface water in Illinois, 1975-77--Volume III, Ohio River tributaries and Mississippi River tributaries south of Illinois River basin
David Grason, R. W. Healy
1979, Water-Resources Investigations Report 79-25
Samples of surface water were collected and analyzed by the Illinois Environmental Protection Agency. The results from water years 1975 to 1977 are presented in three volumes. The history of sampling and analytical methods used during that period are summarized. Stream discharge data from records of the U.S. Geological Survey...
Streamflow Estimates in Selected Wisconsin Streams
R.P. Novitzki
1979, Open-File Report 79-1282
The Wisconsin Department of natural Resources needs streamflow information in lake basins where lake-rehabilitation programs are implemented but where long-term stream-gaging stations are not justified. The U.S. Geological Survey provided streamflow estimates for 24 streams in Wisconsin. The estimates were made by the use of (1) midmonthly measurements, (2) basin...
