Geologic map of the Venezuela part of the Puerto Ayacucho 2 degrees x 3 degrees Quadrangle, Amazonas Federal Territory, Venezuela
Jeffrey C. Wynn, Steven D. Olmore, Vicente Mendoza, Andres Garcia, Ines Rendon, Yasmin Estanga, Haydee Rincon, Felix Martinez, Elis Lugo, Nelson Rivero, Paul G. Schruben
1994, Miscellaneous Field Studies Map 2245
This map is one of a series of 1:500,000-scale maps that, along with several other products, stems from a cooperative agreement between the U.S. Geological Survey (USGS) and the Corporacion Venezolana de Guayana, Tecnica Minera, C.A. (TECMIN), a Venezuelan Government-owned mining and mineral exploration company. The agreement covered cooperative work...
Shoreline and coastal wetland variability along the west shore of Green Bay, Marinette and Oconto counties, Wisconsin
Gerald L. Shideler
1994, Miscellaneous Field Studies Map 2252
Coastal wetland ecosystems along the Great Lakes shorelines are extremely valuable natural resources. They provide numerous environmental and recreational benefits, and they serve as critical habitats for fish and wildlife populations. In general terms, wetlands can be defined as lands transitional between terrestrial and aquatic systems; they are characterized by...
Conodont color alteration index (CAI) map and conodont-based age determinations for the Winchester 30' x 60' Quadrangle and adjacent area, Virginia, West Virginia, and Maryland
Anita G. Harris, Nancy R. Stamm, David J. Weary, John E. Repetski, Robert G. Stamm, Ronald A. Parker
1994, Miscellaneous Field Studies Map 2239
Most of the conodont data presented in this report (table 1) were acquired to support 1:100,000-scale geologic mapping of the Winchester 30' X 60' quadrangle by the U.S. Geological Survey (USGS). Conodonts were chosen to provide a biostratigraphic framework for the Upper Cambrian to Mississippian marine carbonate rocks that make...
Map showing surficial and hydrologic features in the vicinity of New Madrid, Missouri
Russell L. Wheeler, Susan Rhea
1994, Miscellaneous Field Studies Map 2264-E
This is one in a series of five seismotectonic maps of the seismically active New Madrid area in southeast Missouri and adjacent parts of Arkansas, Kentucky, and Tennessee (table 1). ). We cannot legibly show all the seismotectonic data on a single map, therefore each of the five maps in...
Bathymetry of the southwest flank of Mauna Loa Volcano, Hawaii
William W. Chadwick, James G. Moore, Christopher G. Fox
1994, Miscellaneous Field Studies Map 2255
Much of the seafloor topography in the map area is on the southwest submarine flank of the currently active Mauna Loa Volcano. The benches and blocky hills shown on the map were shaped by giant landslides that resulted from instability of the rapidly growing volcano. These landslides were imagined during...
Map showing locations of geophysical survey and modeling lines in the vicinity of New Madrid, Missouri
Susan Rhea, Russell L. Wheeler
1994, Miscellaneous Field Studies Map 2264-C
This is one of a series of five seismotectonic maps of the seismically active New Madrid area in southeast Missouri and adjacent parts of Arkansas, Kentucky, and Tennessee (table 1). We cannot legibly show all the seismotectonic data on a single map, therefore each of the five maps in this...
Mines, prospects, and occurrences of metallic (excluding gold), pegmatite, and rare-earth mineral commodities in the Greenville 1° x 2° quadrangle, South Carolina, Georgia, and North Carolina
John P. D’Agostino, Alan Jon Zupan, Arthur H. Maybin III, Charlotte E. Abrams, Jerry M. German
1994, Miscellaneous Field Studies Map 2215-B
All of the known mines, prospects, and occurrences of metallic (excluding gold, pegmatite, and rare-earth mineral commodities for the Greenville 1° x 2° quadrangle are tabulated in this report. The table lists, in consecutive order for each county (fig. 1), the map number of each item, which correlates and locates...
Mines, prospects, and occurrences of nonmetallic mineral commodities in the Greenville 1° x 2° quadrangle, South Carolina, Georgia, and North Carolina
John P. D’Agostino, Bruce J. O’Connor, Alan J.W. Zupan, Arthur H. Maybin III
1994, Miscellaneous Field Studies Map 2215-D
Mines, prospects, and occurrences of nonmetal mineral commodities in the Greenville 1° x 2° quadrangle are tabulated in this report. There are 488 symbols representing 579 mines, prospects, and occurrences located in the quadrangle. There are 379 symbols used for 466 features in Georgia, 106 symbols for 110 features in...
Map showing large structures interpreted from geophysical data in the vicinity of New Madrid, Missouri
Susan Rhea, Russell L. Wheeler
1994, Miscellaneous Field Studies Map 2264-B
This is one of a series of five seismotectonic maps of the seismically active New Madrid area in southeast Missouri and adjacent parts of Arkansas, Kentucky, and Tennessee (table 1). We cannot legibly show all the seismotectonic data on a single map, therefore each of the five maps in this...
Geologic map of the Krumbo Reservoir Quadrangle, Harney County, Southeastern Oregon
Jenda A. Johnson
1994, Miscellaneous Field Studies Map 2267
The Krumbo Reservoir 7.5-minute quadrangle encompasses parts of the Blitzen Valley and northwestern flank of Steens Mountain in the Basin and Range physiographic province of southeastern Oregon (fig. 1). The entire map area is underlain by a bimodal assemblage of middle and upper Miocene olivine basalt flows and rhyolite ash-flow...
Gold occurrences in the Greenville 1° x 2° quadrangle, South Carolina, Georgia, and North Carolina
John P. D’Agostino, George T. Mason, Alan J.W. Zupan, Arthur H. Maybin III, Jerry M. German, Charlotte E. Abrams
1994, Miscellaneous Field Studies Map 2215-C
All of the gold mines, prospects, placers, and occurrences known in the Greenville 1° x 2° quadrangle are tabulated in this report. The table lists, in consecutive order by county (fig. 1), the map number of each feature, which is located either on the accompanying Greenville 1° x 2° quadrangle...
Map showing seismicity and sandblows in the vicinity of New Madrid, Missouri
B. Susan Rhea, Arthur C. Tarr, Russell L. Wheeler
1994, Miscellaneous Field Studies Map 2264-A
This is one of a series of five seismotectic maps of the seismically active New Madrid, Missouri, area (table 1; Wheeler and others, 1992). The map area centers near the sites of three great earthquakes that struck during the winter of 1811-12 (Fuller, 1912; Nuttli, 1973). These earthquakes and continuing...
Reconnaissance geologic map of the Sliderock Mountain area, Sweet Grass and Stillwater counties, Montana
E. A. Du Bray, J. E. Elliott, B. S. Van Gosen, E. J. LaRock, A. W. West
1994, Miscellaneous Field Studies Map 2259
The remains of a deeply eroded Late Cretaceous stratovolcano centered near Sliderock Mountain dominate the map area. The volcano consists mostly of lahars, although basaltic andesite lava flows are also present. An extensively eroded, weakly mineralized hypabyssal intrusive complex, inferred to represent the volcano's solidified magma chamber, intrudes previously erupted...
Map showing structure of the Mississippi Valley Graben in the vicinity of New Madrid, Missouri
Russell L. Wheeler, Susan Rhea, Richard L. Dart
1994, Miscellaneous Field Studies Map 2264-D
This is one of a series of five seismotectonic maps of the seismically active New Madrid area in southeast Missouri and adjacent parts of Arkansas, Kentucky, and Tennessee (table 1). We cannot legibly show all the seismotectonic data on a single map, therefore each of the five maps in this...
Map showing depth to bedrock of the Tacoma and part of the Centralia 30' x 60' quadrangles, Washington
Jane M. Buchanan-Banks, Donley S. Collins
1994, Miscellaneous Field Studies Map 2265
The heavily populated Puget Sound region in the State of Washington has experienced moderate to large earthquakes in the recent past (Nuttli, 1952; Mullineaux and others, 1967). Maps showing thickness of unconsolidated sedimentary deposits are useful aids in delineating areas where damage to engineered structures can result from increased shaking...
Sample locality map and analytical data for potassium-argon ages in the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska Peninsula
Frederic H. Wilson, Nora B. Shew, Gregory D. DuBois, Scott W. Bie
1994, Miscellaneous Field Studies Map 2155-E
Potassium-argon age determinations for 84 volcanic, intrusive, and hydrothermally altered rocks from the Port Moller, Stepovak Bay, and Simeonof Island quadrangles are reported here. Of these age determinations, 78 samples were analyzed as part of Alaska Mineral Resource Assessment Program (AMRAP) studies in the Port Moller, Stepovak Bay, and Simeonof...
Maps showing platinum-group-element occurrences in the conterminous United States, updated as of 1993
J.A. Peterson
1994, Miscellaneous Field Studies Map 2270
Surficial geologic map of the Tyonek B-4 Quadrangle, south-central Alaska
L. A. Yehle, H. R. Schmoll
1994, Miscellaneous Field Studies Map 2258
Map showing compilation of isotopic ages of Cenozoic rocks in the Reno 1 degree by 2 degrees quadrangle, Nevada and California
John H. Stewart, E.H. McKee, D. A. John
1994, Miscellaneous Field Studies Map 2154-D
No abstract available. ...
Principal reference section for part of the Eocene Ghazij Formation, Abraham Marri Mine area, Pir Ismail Ziarat coal field, Balochistan, Pakistan
E. A. Johnson, Intizar H. Khan
1994, Miscellaneous Field Studies Map 2263-A
Geologic map of the Nutters Hole Quadrangle, Uintah and Carbon counties, Utah
W. B. Cashion
1994, Miscellaneous Field Studies Map 2250
Maps showing interpretation, using R-mode factor analysis, of trace-element abundances in heavy-mineral concentrate samples, Delta 1° x 2° quadrangle, Utah
David R. Zimbelman
1994, Miscellaneous Field Studies Map 2081-G
A set of heavy-mineral concentrate data for the Delta 1° x 2° quadrangle, Utah Conterminous U.S. Mineral Assessment Program (CUSMAP) project was compiled from results of analyses of samples collected during the National Uranium Resource Evaluation Program (SURE), as well as results obtained from samples collected more recently by the...
Maps showing interpretation, using R-mode factor analysis, of trace-element abundances in stream-sediment samples, Delta 1 degree by 2 degrees quadrangle, Utah
D. R. Zimbelman
1994, Miscellaneous Field Studies Map 2081-F
No abstract available. ...
Geologic map of the Venezuela part of the Atabapo 2 degrees x 3 degrees Quadrangle, Amazonas Federal Territory, Venezuela
J.W. Wynn, S.D. Olmore, Vicente Mendoza, Miguel Martinez, Haydee Rincon, Andres Garcia, Nelson Rivero, Ines Rendon, Iris Marcano, Elis Lugo, P. G. Schruben
1994, Miscellaneous Field Studies Map 2240
Geologic map of the Monte Cristo Range area, Esmeralda and Mineral counties, Nevada
John Harris Stewart, Patrick C. Kelleher, E.A. Zorich
1994, Miscellaneous Field Studies Map 2260