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A Study Of The Herald Phillipstown Fault In The Wabash Valley Using Drillhole And 3 D Seismic Reflection Data
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Book Synopsis A Study of the Herald-Phillipstown Fault in the Wabash Valley Using Drillhole and 3-D Seismic Reflection Data by : Samantha E. Kroenke
Download or read book A Study of the Herald-Phillipstown Fault in the Wabash Valley Using Drillhole and 3-D Seismic Reflection Data written by Samantha E. Kroenke and published by . This book was released on 2011 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: In June 2009, a 2.2 square mile 3-D high resolution seismic reflection survey was shot in southeastern Illinois in the Phillipstown Consolidated oilfield. A well was drilled in the 3-D survey area to tie the seismic to the geological data with a synthetic seismogram from the sonic log. The objectives of the 3-D seismic survey were three-fold: (1) To image and interpret faulting of the Herald-Phillipstown Fault using drillhole-based geological and seismic cross-sections and structural contour maps created from the drillhole data and seismic reflection data, (2) To test the effectiveness of imaging the faults by selected seismic attributes, and (3) To compare spectral decomposition amplitude maps with an isochron map and an isopach map of a selected geologic interval (VTG interval). Changes in the seismic attribute values in the selected interval and along various time slices throughout the whole dataset correlate with the Herald-Phillipstown faults. Overall, seismic attributes could provide a means of mapping large offset faults in areas with limited or absent drillhole data. Results of the spectral decomposition suggest that if the interval velocity is known for a particular formation or interval, high-resolution 3-D seismic reflection surveys could utilize these amplitudes as an alternative seismic interpretation method for estimating formation thicknesses. A VTG isopach map was compared with an isochron map and a spectral decomposition amplitude map. The results reveal that the isochron map strongly correlates with the isopach map as well as the spectral decomposition map. It was also found that thicker areas in the isopach correlated with higher amplitude values in the spectral decomposition amplitude map. Offsets along the faults appear sharper in these amplitudes and isochron maps than in the isopach map, possibly as a result of increased spatial sampling.
Book Synopsis Geophysical Studies of the Herald-Phillipstown Fault and Other Shallow Structures Near Carmi, Illinois by : Shibaji Chatterjee
Download or read book Geophysical Studies of the Herald-Phillipstown Fault and Other Shallow Structures Near Carmi, Illinois written by Shibaji Chatterjee and published by . This book was released on 2010 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Four seismic reflection profiles from the Wabash Valley area of southeastern Illinois successfully imaged the Herald-Phillipstown fault. From the reflection profiles and geophysical well logs, it is interpreted that the Herald-Phillipstown fault is an inverted flower structure. Structural contour maps as well as maps of various reflector surfaces are prepared herein using two way travel time as well as depth. These maps show that the reflectors are undulating in character. The nature of faults of the inverted flower structure as observed on the seismic reflection profiles indicates that there has been a change in the stress regime from extensional to compressional. Structural cross sections were generated using geophysical well logs from drill holes located along these seismic lines to analyze the nature of these faults at shallower depths. From these cross sections numerous shallow faults were observed and many of them can be correlated with those observed on seismic records indicating upward migration of basement penetrating faults into shallow younger sediments. Many of these faults, including the Herald-Phillipstown fault show evidences of reactivation.
Book Synopsis Reflection Seismic Profiling of the Wabash Valley Fault System in the Illinois Basin by : R. M. René
Download or read book Reflection Seismic Profiling of the Wabash Valley Fault System in the Illinois Basin written by R. M. René and published by . This book was released on 1995 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acquisition, Processing, and Interpretation of a Shallow Seismic Profile Across the Herald-Phillipstown Fault in the Wabash Valley Seismic Zone by : Adam C. LeGrande
Download or read book Acquisition, Processing, and Interpretation of a Shallow Seismic Profile Across the Herald-Phillipstown Fault in the Wabash Valley Seismic Zone written by Adam C. LeGrande and published by . This book was released on 1999 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tectonic History of the Wabash Valley Fault Zone Using Seismic Reflection and Stress Regime Data by : Jennifer Joan Lewis
Download or read book Tectonic History of the Wabash Valley Fault Zone Using Seismic Reflection and Stress Regime Data written by Jennifer Joan Lewis and published by . This book was released on 1994 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reflection Seismic Studies in the Wabash Valley Fault System to Investigate Hypothesized Extension of the New Madrid Rift Zone which May Effect Seismicity in the Region, Dated 4/30/90, as Amended 6/19/90 by : R. M. René
Download or read book Reflection Seismic Studies in the Wabash Valley Fault System to Investigate Hypothesized Extension of the New Madrid Rift Zone which May Effect Seismicity in the Region, Dated 4/30/90, as Amended 6/19/90 written by R. M. René and published by . This book was released on 1990 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reflection Seismic Profiling of the Wabash Valley Fault System in the Illinois Basin by : R. M. René
Download or read book Reflection Seismic Profiling of the Wabash Valley Fault System in the Illinois Basin written by R. M. René and published by . This book was released on 1995 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Resolution Seismic Reflection and Ground Penetrating Radar Studies Across the Maunie Fault in the Wabash Valley Seismic Zone by : Robert M. Bodziak
Download or read book High Resolution Seismic Reflection and Ground Penetrating Radar Studies Across the Maunie Fault in the Wabash Valley Seismic Zone written by Robert M. Bodziak and published by . This book was released on 1999 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Tomographic Analysis of the Wabash Valley Seismic Zone by : Bill Sweidan
Download or read book A Tomographic Analysis of the Wabash Valley Seismic Zone written by Bill Sweidan and published by . This book was released on 2021 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Wabash Valley Seismic Zone (WVSZ), or Wabash Valley Fault System (WVFS), is an intraplate region of higher-than-average seismicity located within the Illinois Basin. This region has produced three 5.0+ magnitude earthquakes within the last 50 years, and recent paleoseismological studies have also shown evidence for 7.0+ magnitude events occurring within the history of the fault system. The prominent faults within the system have very little surface expression, so available data of the orientation, trend, and extent of the fault system comes from seismic reflection data and are observed at depth within mine shafts throughout Illinois. The Wabash Valley faults are contained between the LaSalle Anticlinal Belt, a prominent Precambrian complex of en echelon folds to the north, and the junction of the east/west trending Cottage Grove and Rough Creek faults to the south. Most of the faults trend to the NE and can display vertical offsets into the hundreds of meters, penetrating the Precambrian basement rock at depth. Though there are some similarities in fault orientation and trend to the faults contained within the New Madrid Seismic Zone to the SE, the possible connection to and the tectonic setting of the Wabash Valley Seismic Zone is ambiguous. As part of the Earthscope project to map the crustal structure of the North American continent, data was passively collected along a 400-kilometer Flexible Array across Illinois and Indiana for the purpose of wide angle and deep seismic profiling in the form of tomography. Utilizing a new ray tracing methodology based on Dijkstra's algorithm, tomograms of the study area were created by inverting for Vp data collected from this array. Our tomograms show no evidence for a rift pillow system under the Wabash Valley as predicted, but there is evidence for a dipping fast anomalous zone that has been previously hypothesized from reprocessed COCORP data. We consider this COCORP reflector as an upper layer of eclogite above old, subducted crust with a higher impedance contrast than the surrounding mantle material. Further investigation is warranted, particularly with respect to ray directionality as rays arriving from north of the array do not travel through the fault system itself, whereas southern rays do. It is our hope that further studying including only southern ray paths may illuminate a supposed rift pillow system.
Book Synopsis Reflection Seismic Profiling of the Wabash Valley Fault System by : R. M. René
Download or read book Reflection Seismic Profiling of the Wabash Valley Fault System written by R. M. René and published by . This book was released on 1992 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reflection Seismic Profiling of the Wabash Valley Fault System in the Illinois Basin, U.S. Geological Survey Professional Paper 1538-0, 1995 by : Geological Survey (U.S.)
Download or read book Reflection Seismic Profiling of the Wabash Valley Fault System in the Illinois Basin, U.S. Geological Survey Professional Paper 1538-0, 1995 written by Geological Survey (U.S.) and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deep Structural Framework of the Wabash Valley Fault System and It's Relation to the New Madrid Seismic Zone, Illinois, Indiana, and Kentucky by :
Download or read book Deep Structural Framework of the Wabash Valley Fault System and It's Relation to the New Madrid Seismic Zone, Illinois, Indiana, and Kentucky written by and published by . This book was released on 1995 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fracture Patterns, Lineaments and Seismic Reflection Data by :
Download or read book Fracture Patterns, Lineaments and Seismic Reflection Data written by and published by . This book was released on 2006 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study integrates surface structure data with faults observed in 2-D seismic reflection profiles and lineaments identified from aeromagnetic gradients, DEMs, slope aspect, and satellite imagery in order to map probable fault patterns. The study area is located in the Middle to Upper Devonian Catskill Delta Complex in the Appalachian Basin in central New York State. This previously unmapped study area is significant because of active oil and gas exploration in the region. Several characteristics of surface bedrock fractures were collected within the study area. Fracture characteristics include orientation, dip, spacing, fracture abutting relationships and fracture geometry. Fracture characteristics are displayed using modified rose diagrams to illustrate trends in orientation, frequency and fracture relationships. Three regional fracture orientations are common in the area. Fracture Intensification Domains (FIDs) are characterized by relatively closely spaced fractures; FIDs can indicate areas where faulting is probable. Each of the three regional fracture orientations have zones of closely spaced fractures. FIDs recognized at the surface correlate spatially with thrust and high angle faults observed in 2-D seismic and with lineaments. Lineaments identified from satellite imagery, DEMs, and aeromagnetic gradients are combined with exposed bedrock fracture data and seismic reflection data. Two anomalously long NW-striking aeromagnetic lineaments are located in the center of the study area. NNE- and NS-striking lineaments are dense where appropriately trending aeromagnetic gradients are located. NNE-, WNW-, ENE-striking lineaments are also coincident with fractures and FID orientations. The integration of these data promote mapping of FIDs in order to define areas with a higher probability of faults. This fault map will point to exploring areas that should be high-graded in the exploration for fractured-plays.
Book Synopsis Characterization of the Cottonwood Grove and Ridgely Faults Near Reelfoot Lake, Tennessee, from High-resolution Seismic Reflection Data by : William J. Stephenson
Download or read book Characterization of the Cottonwood Grove and Ridgely Faults Near Reelfoot Lake, Tennessee, from High-resolution Seismic Reflection Data written by William J. Stephenson and published by . This book was released on 1995 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Comprehensive Geophysical Investigation to Assess Seismic Hazards in the Wabash Valley Seismic Zone by :
Download or read book A Comprehensive Geophysical Investigation to Assess Seismic Hazards in the Wabash Valley Seismic Zone written by and published by . This book was released on 1997 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fault Zone Architecture Inferred from Interpretation and Modeling of the Megasplay Fault Zone in 3D Seismic Reflection Data, Nankai Trough Accretionary Prism by : Carolyn Marta Streiff
Download or read book Fault Zone Architecture Inferred from Interpretation and Modeling of the Megasplay Fault Zone in 3D Seismic Reflection Data, Nankai Trough Accretionary Prism written by Carolyn Marta Streiff and published by . This book was released on 2012 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of the Potential Geomorphic Response of the Wabash River to Neotectonic Deformation Along the Wabash Valley Fault System by : Gordon S. Fraser
Download or read book Analysis of the Potential Geomorphic Response of the Wabash River to Neotectonic Deformation Along the Wabash Valley Fault System written by Gordon S. Fraser and published by . This book was released on 1992* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
