Science Explorer

Exploring: Faulting (geologic)

Geologic investigation of faulting near the National Reactor Testing Station, Idaho

Modified 2012-02-02
https://pubs.er.usgs.gov/publication/ofr71338 (HTML Document 17.02 KB)

Geologic investigation of faulting near the National Reactor Testing Station, Idaho Open-File Report 71-338 Geologic investigation of faulting near ...

Known and suggested quaternary faulting in the midcontinent United States

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70023014 (HTML Document 20.06 KB)

suggests Quaternary tectonic faulting. We report results of a systematic evaluation of published and other publicly available geologic evidence of Quaternary ... disproved, whereas, for others, the suggested faulting remains questionable. Of the 40 features, nine have clear geologic evidence of Quaternary ... Known and suggested quaternary faulting in the midcontinent United States Engineering Geology Abstract The midcontinent United States between the ... Appalachian and Rocky Mountains contains 40 known faults or other potentially tectonic features for which published geologic information shows or ...

Seismic evidence of Quaternary faulting in the Benton Hills area, southeast Missouri

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70019698 (HTML Document 18.94 KB)

Seismic evidence of Quaternary faulting in the Benton Hills area, southeast Missouri Seismological Research Letters By: J.R. Palmer, M. Shoemaker, D ... Benton Hills escarpment, southeast Missouri, establish that geologic structures at English Hill are of tectonic origin. The lowland area to the south of ... the escarpment is relatively undisturbed. The geology at English Hill is structurally complex, and reflection seismic and geologic data indicate ... extensive and episodic faulting of Paleozoic, Cretaceous, Tertiary, and Quaternary strata. The individual faults have near-vertical fault surfaces with ...

Geologic investigation of faulting in the Hanford Region, Washingtion with a section on The occurrence of microearthquakes

Modified 2012-02-02
https://pubs.er.usgs.gov/publication/ofr7027 (HTML Document 19.07 KB)

Geologic investigation of faulting in the Hanford Region, Washingtion with a section on The occurrence of microearthquakes Open-File Report 70-27 By ... : James W. Bingham, Clark J. Londquist, Elmer H. Baltz, and A.N. Pitt Title: Geologic investigation of faulting in the ...

An outline of tectonic, igneous, and metamorphic events in the Goshute-Toano Range between Silver Zone Pass and White Horse Pass, Elko County, Nevada; a history of superposed contractional and extensional deformation

Modified 2017-01-18
https://pubs.er.usgs.gov/publication/pp1593 (HTML Document 20.43 KB)

folding and faulting; six exemplify various aspects of Miocene extensional faulting. Massive landslide deposits resulting from Tertiary faulting are ... based on numerous conodont collections, and ages of igneous rocks were determined by argon/argon and fission-track methods. The geologic complexity ...

Effect of faulting on ground-water movement in the Death Valley Region, Nevada and California

Modified 2015-10-06
https://pubs.er.usgs.gov/publication/wri954132 (HTML Document 22.54 KB)

geologic units caused by faulting, the rock types involved, the fault zone materials, and the depth below the surface. The current crustal stress field ... Effect of faulting on ground-water movement in the Death Valley Region, Nevada and California Water-Resources Investigations Report 95-4132 Prepared ... in the Death Valley region by synthesizing crustal stress, fracture mechanics, and structural geologic data. The geologic conditions are typical of ... extensional deformation. Faulting and associated fracturing is pervasive and greatly affects ground-water flow patterns. Faults may become preferred conduits ...

Quaternary tectonic faulting in the Eastern United States

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70030924 (HTML Document 20.95 KB)

Engineering Geology Abstract Paleoseismological study of geologic features thought to result from Quaternary tectonic faulting can characterize the ... tectonic faulting or to nontectonic causes. Of these 24, 14 features, most of them faults, have little or no published geologic evidence of Quaternary ... Quaternary tectonic faulting at 31 faults, folds, seismic zones, and fields of earthquake-induced liquefaction phenomena in the Appalachian Mountains ... tectonic faulting that could indicate the likely occurrence of earthquakes larger than those observed historically. Three more features of the 24 were ...

Geologic reconnaissance of the Hot Springs Mountains, Churchill County, Nevada

Modified 2012-02-02
https://pubs.er.usgs.gov/publication/ofr81134 (HTML Document 18.41 KB)

Geologic reconnaissance of the Hot Springs Mountains, Churchill County, Nevada Open-File Report 81-134 Abstract A geologic reconnaissance of the Hot ... Mountains are in the western part of the Basin and Range province, which is characterized by east-west crustal extension and associated normal faulting. In ... . A similar relation is inferred in the Hot Springs Mountains. Folding and faulting have taken place from the late Tertiary to the present. (USGS ... ) Additional publication details Geologic reconnaissance of the Hot Springs Mountains, Churchill County, Nevada Series title: Open-File Report Series number ...

Preliminary geologic report on the Harris Lake area, northeastern Minnesota

Modified 2012-02-02
https://pubs.er.usgs.gov/publication/ofr78385 (HTML Document 17.89 KB)

Preliminary geologic report on the Harris Lake area, northeastern Minnesota Open-File Report 78-385 Abstract Intense faulting and fracturing in the ... probably deposited by density currents. Faults trend principally N35?E, N05?W, and N40?W. The recognition of intense faulting and fracturing in this region ... and an understanding of the currents responsible for cumulate deposition establish a basic geologic framework with important local and regional ... implications. Additional publication details Preliminary geologic report on the Harris Lake area, northeastern Minnesota Series title: Open-File Report ...

Summary of the Ahankashan Area of Interest

Modified 2015-09-24
https://pubs.er.usgs.gov/publication/ofr20151040 (HTML Document 25.65 KB)

with specific emphasis on porphyry copper and related occurrence types. The Area of Interest is underlain by rocks of three different geologic ... Afghan Turkestan Domain in the north. The domains are sutured remnants of Tethyan tectonic elements. Interpretation of the geologic maps indicates the ... presence of thrust faults, strike-slip faults, and granitic intrusions emplaced in ground prepared by faulting. Thrust faulting was followed by ... strike-slip faulting and then followed by magmatic intrusions. Advanced Spaceborne Thermal Emission and Reflection Radiometer data were used to map ...

The nature and timing of tectonism in the western facies terrane of Nevada and California; an outline of evidence and interpretations derived from geologic maps of key areas

Modified 2017-01-18
https://pubs.er.usgs.gov/publication/pp1592 (HTML Document 18.45 KB)

geologic maps of key areas Professional Paper 1592 Abstract Along the outer miogeocline of Nevada and Southern California, lower Paleozoic siliceous ... Antler Orogeny, involved intense folding and thrust faulting is notably scarce. Almost all the intense folding and thrust faulting of Proterozoic to ... terrane of Nevada and California; an outline of evidence and interpretations derived from geologic maps of key areas Series title: Professional Paper ...

Recent crustal movements in the Sierra Nevada-Walker lane region of California-Nevada: Part i, rate and style of deformation

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70012601 (HTML Document 20.33 KB)

) and possibly the almost 200-km-long Carson Lineament. Historic geologic evidence of faulting, seismologic evidence for focal mechanisms, geodetic ... geological, seismological, geochronological and paleobotanical data is made to compare historic and geologic rates and styles of deformation of the Sierra ... acceleration of rates of uplift and faulting during the Late Cenozoic. The Basin and Range faulting appears to have extended westward during this period ... measurements and strain measurements confirm continued regional uplift and tilting of the Sierra Nevada, with minor internal local faulting and deformation ...

Teaching earth science

Modified 2012-02-02
https://pubs.er.usgs.gov/publication/ds50 (HTML Document 16.94 KB)

separated into the following categories: Geologic Processes, Earthquakes and Faulting, and Map Projections and Globes. A 'navigation' stack, Earth Science, is ...

Surface displacements in the 1906 San Francisco and 1989 Loma Prieta earthquakes

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70016127 (HTML Document 16.31 KB)

and reverse faulting. This result, together with other seismic and geologic data, may indicate that the two earthquakes occurred on two different fault ...

Long Valley caldera and the UCERF depiction of Sierra Nevada range-front faults

Modified 2016-08-15
https://pubs.er.usgs.gov/publication/70175500 (HTML Document 19.74 KB)

separated by ∼10 km. This depiction is countered by (1) geologic evidence that normal faulting within the caldera consists of a series of graben structures ... -front faulting and (2) the lack of kinematic evidence for an evolving, postcaldera relay ramp structure between overlapping strands of the two range ...

Kenneth L Pierce, Ph.D.

https://www.usgs.gov/staff-profiles/kenneth-l-pierce?qt-staff_profile_science_products=3 (HTML Document 97.71 KB)

Yellowstone hotspot: Volcanism, faulting and uplift Quaternary faulting and neotectonics Geologic controls on ecology of the greater Yellowstone area ... Geology and Geomorphology. I am interested in natural landscapes and the geologic processes responsible for their formation. My research has focused on ... interested in natural landscapes and the geologic processes responsible for their formation. Science and Products Year Published: 2015 Yellowstone ... geologic map of the Red Rock Lakes area, southwest Montana; 2014; OFR; 2014-1157; Pierce, Kenneth L.; Chesley-Preston, Tara L.; Sojda, Richard L. Year ...

Kenneth L Pierce, Ph.D.

https://www.usgs.gov/node/720955 (HTML Document 97.71 KB)

Yellowstone hotspot: Volcanism, faulting and uplift Quaternary faulting and neotectonics Geologic controls on ecology of the greater Yellowstone area ... Geology and Geomorphology. I am interested in natural landscapes and the geologic processes responsible for their formation. My research has focused on ... interested in natural landscapes and the geologic processes responsible for their formation. Science and Products Year Published: 2015 Yellowstone ... geologic map of the Red Rock Lakes area, southwest Montana; 2014; OFR; 2014-1157; Pierce, Kenneth L.; Chesley-Preston, Tara L.; Sojda, Richard L. Year ...

APPALACHIAN FOLDS, LATERAL RAMPS, AND BASEMENT FAULTS: A MODERN ENGINEERING PROBLEM?

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70014215 (HTML Document 16.08 KB)

shown that cross-strike faulting in the central and southern Appalachians has affected geologic structures at the surface. These basement faults appear ... to have been active through much of geologic time. Indeed, more than 45 percent of modern earthquakes occur along these narrow zones here termed ...

Near-surface mapping using SH-wave and P-wave seismic land-streamer data acquisition in Illinois, U.S

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70026964 (HTML Document 17.04 KB)

-resolution seismic reflection combined with land-streamer technology provide 3D regional maps of geologic formations that can be associated with aquifers and ... aquitards. Examples for three study areas are considered to demonstrate this. In these areas, reflection profiling detected near-surface faulting and ...

Off-road vehicular destabilization of hill slopes: the major contributing factor to destructive debris flows in Ogden, Utah, 1979

Modified 2015-01-16
https://pubs.er.usgs.gov/publication/70047930 (HTML Document 20.62 KB)

Wasatch Mountains in northern Utah are a north-south trending range with steep slopes caused by faulting less than 10,000 years ago. Through the natural ... processes of rain, frost-wedging, gravity, and earthquakes these slopes are slowly being eroded. A geologic history of instability is recorded at the ...