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This Open-File report is a digital geologic map database. Thisdigital map database is compiled from previously published sourcescombined with some new mapping and modifications in nomenclature.The geologic map database delineates map units that are identifiedby general age and lithology following the stratigraphicnomenclature of the U. S. Geological Survey. For detaileddescriptions of the units, their stratigraphic relations, sourcesof geologic mapping, and data on exploratory wells consult Yerkesand Campbell (1980), and Yerkes and Showalter (1990). Morespecific information about the units may be available in theoriginal sources.
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This coverage includes arcs, polygons, and polygon labels that describe the generalized geologic age and type of surface outcrops of bedrock of Southeast Asia (Brunei, Indonesia, Cambodia, Laos, Malaysia, Papua New Guinea, Philippines, Singapore, Solomon Islands and Vietnam; and portions of Australia, China and Taiwan). It also includes shorelines and inland water bodies.
Categories: Web Site; Tags: 1100 - Geology, 1101 - General, AS, AS = Australia, Age, All tags...
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Alameda County is located at the northern end of the Diablo Range of Central California. It is bounded on the north by the south flank of Mount Diablo, one of the highest peaks in the Bay Area, reaching an elevation of 1173 meters (3,849 ft). San Francisco Bay forms the western boundary, the San Joaquin Valley borders it on the east and an arbitrary line from the Bay into the Diablo Range forms the southern boundary. Alameda is one of the nine Bay Area counties tributary to San Francisco Bay. Most of the country is mountainous with steep rugged topography. Alameda County is covered by twenty-eight 7.5' topographic Quadrangles which are shown on the index map (alq_quad or Sheet 2). The Quaternary deposits in Alameda...
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This Open-File report is a digital geologic map database. Thisdigital map database is compiled from previously published sourcescombined with some new mapping and modifications in nomenclature.The geologic map database delineates map units that are identifiedby general age and lithology following the stratigraphicnomenclature of the U. S. Geological Survey. For detaileddescriptions of the units, their stratigraphic relations, sourcesof geologic mapping, and data on exploratory wells consult Yerkesand Campbell (1995), and Yerkes and Showalter (1990). Morespecific information about the units may be available in theoriginal sources.
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This Open-File report is a digital geologic map database. Thisdigital map database is compiled from previously published sourcescombined with some new mapping and modifications in nomenclature.The geologic map database delineates map units that are identifiedby general age and lithology following the stratigraphicnomenclature of the U. S. Geological Survey. For detaileddescriptions of the units, their stratigraphic relations, sourcesof geologic mapping, and data on exploratory wells consult Yerkesand Campbell (1995), and Yerkes and Showalter (1990). Morespecific information about the units may be available in theoriginal sources.
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This Open-File report is a digital geologic map database stored in acomputer in the U. S. Geological Survey offices in Menlo Park,California. The study area includes the Monterey Peninsula and partof the Carmel Valley area. Geologically, this region is situatedwithin the complexly deformed Salinian block between the active SanAndreas fault to the northeast and the San Gregorio fault zone tothe southwest. It also is characterized by compressional tectonicsrelated to the San Andreas fault system and includes many poorlyunderstood subsidiary faults (Greene and others, 1988). A seriesof high-angle faults trends northwestward across the quadrangles.Most of the faults in the area are discontinuous, with some lessthan...
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This Open-File report is a digital geologic map database. Thisdigital map database is prepared from a previously published map byBrabb (1989). The geologic map database delineates map units thatare identified by general age, lithology and clast size followingthe stratigraphic nomenclature of the U. S. Geological Survey.
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This data is from the geologic map of the Paducah 1�x2� Sheet,digitized by the Illinois State Geological Survey, John Nelson directing.We obtained the digitized, exported coverage of faults and geologyfrom Barb Stiff (stiff@geoserv.isgs.uiuc.edu) 1995.09.05Our intent is to show the overall fault pattern, and to show the locationsof the main exposed and near-surface faults for comparison to deep subsurfacestructures. We made little attempt to edit details of the digitized faults,beyond adding tick marks to indicate dip directions of a few normal faults.For details such as exact locations, fault dips, separations, and cross-cutting relations, users should consult the original geologic maps.
Tags: 1100 - Geology, 1101 - General, 17025 = Clay, 17047 = Edwards, 17055 = Franklin, All tags...
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This is a polygon coverage of the structure contours of the Calicosequence boundary in the Kaiparowits Plateau. Sequence boundaryelevations are based on 166 drill sites. The Calico sequenceboundary occurs from 50-100 ft below the John Henry Member,therefore an inferred elevation of the sequence boundary was usedat numerous locations along the outcrop where the John Henry Memberwas mapped.The outside polygon defines the base of the coal-bearing John HenryMember of the Straight Cliffs Formation east of 112 degrees oflongitude. The area within this polygon includes parts of thecoal-bearing John Henry Member where the entire section may not berepresented due to erosion. The northern boundary is delineated bythe Paunsaugunt...
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Some of the benefits that can be derived from these geologic maps are:>1. Materials properties>2. Earthquake shaking>3. Liquefaction potential>4. Ground water pollution>5. Relating landslides>6. Location of mineral hazards>7. Seismic velocity>8. Earthquake faults>9. Education and scientific inquiry
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This two coverage dataset makes up a 1:25,000 scalesurficial geologic map along the Castle Mountain faultbetween Houston and Hatcher Pass Road in southcentralAlaska. The map area lies entirely within the Anchoragequadrangle and within the Matanuska-Susitna Borough. Theprimary purpose of the map is to delineate the locationof the Castle Mountain fault and other active orpotentially active faults in the area. This map liesbetween two other maps along the Castle Mountain faultby Detterman and others (1974, 1976).
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A 1:62,500-scale black-and-white map identifying some 2,000landslides of various types in Santa Cruz County, California, hasbeen converted to a digital-map database that can be acquired fromthe U.S. Geological Survey over the Internet or on magnetic tape.
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This digital map database is prepared from a previously published map by Dibblee (1973). The geologic map database delineates map units that are identified by general age, lithology, and clast size following the stratigraphic nomenclature of the U.S. Geological Survey.
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This Open-File report is a digital physiographic map database.This physiographic map of the Grand Canyon is modified fromprevious versions by Billingsley and Hendricks (1989), andBillingsley and others (1997). The boundary is drawn approximatelyalong the topographic rim of the Grand Canyon and its tributarycanyons between Lees Ferry and Lake Mead (shown in red). Severalisolated small mesas, buttes, and plateaus are within this area,which overall encompasses about 2,600 square miles.The Grand Canyon lies within the southwestern part of the Colorado Plateaus of northern Arizona between Lees Ferry, Colorado River Mile 0, and Lake Mead, Colorado River Mile 277. Limestone rocks of the Kaibab Formation form most of the...
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The digital ARC/INFO databases included in this directory provide a geologic map GIS database of the Custer National Forest in the Pryor Mountains of south-central Montana. The geologic map area comprises approximately 122 square miles (316 square kilometers) of National Forest lands, located 40 miles (64 kilometers) south of Billings, Montana. This geologic map was originally prepared to accompany a U.S. Geological Survey evaluation of the mineral resource potential of the Custer National Forest in the Pryor Mountains. The results of this mineral resource assessment were published as U.S. Geological Survey Open-File Report 96-256. This ARC/INFO database was created from figure 2 (p. 4) of that report.
This metadata describes a series of coverages that were developedby the authors as a result of reviewing all available data anddrawing boundaries that they thought included areas that mightcontain selected deposit types. (The deposit types include bothsome from the Cox and Singer classification system and somedescriptive types that have not been formally described.) Thedeposit types are:>coal (lignite),>hot springs gold-silver,>gold-silver mixed metal veins,>distal disseminated gold-silver,>antimony veins,>tungsten veins,>low-sulfide gold-quartz veins,>polymetallic layers and veins,>copper-silver polymetallic veins,>manganese layers and veins,>barite layers and veins,>porphyry copper-molybdenum,>copper skarn,>iron...
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This cover consists of surface and near-surface faults compiled bythe IllinoisBasin Consortium in a multiyear project. This part of the projectended around 1994 and resulted in a publication by the Gas ResearchInstitute. The report, cited in a cross-reference, contains apaper map titled "Major structural features of the Illinois Basin."We received a digital copy of the map in dxf format, and edited itto include only the faults.Our intent is to show the overall pattern of faults, and to showthe location of the main exposed and near-surface faults forcomparison to deep subsurface structures. We made little attempt toedit details of the digitized faults, beyond adding tick marks toindicate dip directions of a few normal...
Tags: 1100 - Geology, 1101 - General, 17025 = Clay, 17047 = Edwards, 17055 = Franklin, All tags...
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Oregon lithology. Faults are in a separate coverage. The legend for southeastern Oregon is in the coverage orlegend.
This report has been superseded by USGS Miscellaneous Field Studies Map MF-2331.This database of the Silt 7.5 minute quadrangle, originally releasedas U.S Geological Survey Open-File Report 94-696, has been updatedto include a digitized database. The digitized version is alsoidentifed as OFR 94-696. This geologic map was prepared as part ofa study of digital methods and techniques as applied to complexgeologic maps. The geologic map was scanned from the originalgreenline sheets used to prepare the published Open-File map of theSilt quadrangle (Shroba and others, 1994).


map background search result map search result map Generalized Geology of Southeast Asia (geo_3se) Quaternary geology of Alameda County, and parts of Contra Costa, Santa Clara, San Mateo, San Francisco, Stanislaus, and San Joaquin Counties, California: A digital database Digital Geologic Map of Oregon Preliminary geologic map of the Malibu Beach 7.5' quadrangle, southern California: A digital database Preliminary geologic map of the Santa Susana 7.5' quadrangle, southern California: A digital database Preliminary geologic map of the Moorpark 7.5' quadrangle, southern California: A digital database Geologic Map of the Monterey and Seaside 7.5-minute Quadrangles, Monterey County, California: A Digital Database Geologic map of Santa Cruz county, California: A digital database Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Surface and near-surface faults Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Surface faults in Paducah Structure contours of the Calico sequence boundary in the Kaiparowits Plateau Structural features within the Kaiparowits Plateau study area, southern Utah Digital Data for Payette National Forest Mineral Resource Assessment Geology of the Palo Alto 30 X 60 minute quadrangle, California: A digital database Surficial geologic map along the Castle Mountain faultbetween Houston and Hatcher Pass Road, Alaska Digital Compilation of "Preliminary Map of Landslide Deposits in Santa Cruz County, California, By Cooper-Clark and Associates, 1975": A Digital Map Database Regional geologic map of San Andreas and related faults in Carrizo Plain, Temblor, Caliente and La Panza Ranges and vicinity, California: A digital database Physiographic Rim of The Grand Canyon, Arizona: A Digital Database Geologic map datasets of the Custer and Gallatin National Forestsof South-central Montana, in ARC/INFO format: Pryor Mountains Preliminary geologic map of the Malibu Beach 7.5' quadrangle, southern California: A digital database Preliminary geologic map of the Moorpark 7.5' quadrangle, southern California: A digital database Preliminary geologic map of the Santa Susana 7.5' quadrangle, southern California: A digital database Geologic map datasets of the Custer and Gallatin National Forestsof South-central Montana, in ARC/INFO format: Pryor Mountains Digital Data for Payette National Forest Mineral Resource Assessment Digital Compilation of "Preliminary Map of Landslide Deposits in Santa Cruz County, California, By Cooper-Clark and Associates, 1975": A Digital Map Database Quaternary geology of Alameda County, and parts of Contra Costa, Santa Clara, San Mateo, San Francisco, Stanislaus, and San Joaquin Counties, California: A digital database Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Surface and near-surface faults Structure contours of the Calico sequence boundary in the Kaiparowits Plateau Structural features within the Kaiparowits Plateau study area, southern Utah Regional geologic map of San Andreas and related faults in Carrizo Plain, Temblor, Caliente and La Panza Ranges and vicinity, California: A digital database Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Surface faults in Paducah Digital Geologic Map of Oregon Physiographic Rim of The Grand Canyon, Arizona: A Digital Database Generalized Geology of Southeast Asia (geo_3se)