Visualizing Precambrian basement tectonics beneath a carbon capture and storage site, Illinois Basin

Characterization of Precambrian basement tectonics using 3D reflection seismology is critical for fully constraining the geology of a carbon capture and storage (CCS) site. Our study applied state-of-the-art visualization and attribute analysis to a 3D seismic volume of the basement complex that und... Full description

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doi: 10.1190/INT-2017-0116.1
Authors:McBride, J.H.; Keach, R.W., II; Leetaru, H.E.; Smith, K.M.
Volume Title:Interpretation (Tulsa)
Source:Interpretation (Tulsa), 6(2), p.T257-T270. Publisher: Society of Exploration Geophysicists, Tulsa, OK, United States. ISSN: 2324-8858
Publication Date:2018
Note:In English. 75 refs.; illus., incl. block diags., geol. sketch maps
Subjects:Amplitude; Basement tectonics; Cambrian; Carbon dioxide; Carbon sequestration; Carbonate rocks; Characterization; Clastic rocks; Cores; Dip; Discontinuities; Eau Claire Formation; Elastic waves; Engineering properties; Epeirogeny; Faults; Flexure; Focus; Folds; Geophysical methods; Geophysical profiles; Geophysical surveys; Granites; Granodiorites; Igneous rocks; Intrusions; Limestone; Mapping; Metamorphic rocks; Metasedimentary rocks; Metavolcanic rocks; Models; Mount Simon Sandstone; Observations; Paleozoic; Permeability; Plutonic rocks; Pore pressure; Precambrian; Reflection methods; Rhyolites; Sedimentary rocks; Seismic attributes; Seismic methods; Seismic profiles; Seismicity; Shale; Sills; Siltstone; Stress; Strike; Surveys; Tectonics; Three-dimensional models; Traveltime; Upper Cambrian; Velocity; Visualization; Volcanic rocks; Illinois Basin; United States; Illinois Basin-Decatur Project
Coordinates:N394500 N400000 W0884000 W0890000
Record ID:2019006587
Copyright Information:GeoRef, Copyright 2020 American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States, Reference includes data supplied by Society of Exploration Geophysicists
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100 1 |a McBride, J.H.  |u Brigham Young University, Department of Geological Sciences, Provo, UT 
245 1 0 |a Visualizing Precambrian basement tectonics beneath a carbon capture and storage site, Illinois Basin 
300 |a p. T257-T270 
500 |a In English. 75 refs. 
500 |a Key title: Interpretation (Tulsa) 
500 |a Source note: Interpretation (Tulsa), 6(2), p.T257-T270. Publisher: Society of Exploration Geophysicists, Tulsa, OK, United States. ISSN: 2324-8858 
500 |a Publication type: journal article 
504 |b 75 refs. 
506 1 |a Restricted access 
510 3 |a GeoRef, Copyright 2020 American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States, Reference includes data supplied by Society of Exploration Geophysicists 
520 |a Characterization of Precambrian basement tectonics using 3D reflection seismology is critical for fully constraining the geology of a carbon capture and storage (CCS) site. Our study applied state-of-the-art visualization and attribute analysis to a 3D seismic volume of the basement complex that underlies the Illinois Basin-Decatur Project CCS site. The most successful interpretative techniques used include geobody analysis, x (east-west, crossline)-directed amplitude change, and corendering (e.g., amplitude with semblance), integrated with gradient analysis. The 3D volume reveals a strong reflector deep within the basement complex that is interpreted to be a mafic sill, disrupted by a coherent pattern of prominent structural discontinuities. The discontinuities, which have a mutually orthogonal northwest-northeast trend, could have formed as part of the intrusion process, as tectonic faults, or a combination of both processes. Our preferred interpretation is that discontinuities are small faults with varying senses of offset. The most prominent of these is a narrow, well-defined northwest-striking crest or flexure in the igneous sill reflector. Injection-induced microseismicity describes a conspicuous pattern of northeast-trending clusters of events, some of which nucleated in the uppermost part of the basement, directly over this crest. This distribution of seismic events is proposed to be controlled, in part, by fracture zones related to the crest and associated discontinuities in the mafic sill. These fractures would be oriented in directions to be critically stressed, resulting in aligned microseismicity following pore pressure increases. 
650 7 |a Amplitude  |2 georeft 
650 7 |a Basement tectonics  |2 georeft 
650 7 |a Cambrian  |2 georeft 
650 7 |a Carbon dioxide  |2 georeft 
650 7 |a Carbon sequestration  |2 georeft 
650 7 |a Carbonate rocks  |2 georeft 
650 7 |a Characterization  |2 georeft 
650 7 |a Clastic rocks  |2 georeft 
650 7 |a Cores  |2 georeft 
650 7 |a Dip  |2 georeft 
650 7 |a Discontinuities  |2 georeft 
650 7 |a Eau Claire Formation  |2 georeft 
650 7 |a Elastic waves  |2 georeft 
650 7 |a Engineering properties  |2 georeft 
650 7 |a Epeirogeny  |2 georeft 
650 7 |a Faults  |2 georeft 
650 7 |a Flexure  |2 georeft 
650 7 |a Focus  |2 georeft 
650 7 |a Folds  |2 georeft 
650 7 |a Geophysical methods  |2 georeft 
650 7 |a Geophysical profiles  |2 georeft 
650 7 |a Geophysical surveys  |2 georeft 
650 7 |a Granites  |2 georeft 
650 7 |a Granodiorites  |2 georeft 
650 7 |a Igneous rocks  |2 georeft 
650 7 |a Intrusions  |2 georeft 
650 7 |a Limestone  |2 georeft 
650 7 |a Mapping  |2 georeft 
650 7 |a Metamorphic rocks  |2 georeft 
650 7 |a Metasedimentary rocks  |2 georeft 
650 7 |a Metavolcanic rocks  |2 georeft 
650 7 |a Models  |2 georeft 
650 7 |a Mount Simon Sandstone  |2 georeft 
650 7 |a Observations  |2 georeft 
650 7 |a Paleozoic  |2 georeft 
650 7 |a Permeability  |2 georeft 
650 7 |a Plutonic rocks  |2 georeft 
650 7 |a Pore pressure  |2 georeft 
650 7 |a Precambrian  |2 georeft 
650 7 |a Reflection methods  |2 georeft 
650 7 |a Rhyolites  |2 georeft 
650 7 |a Sedimentary rocks  |2 georeft 
650 7 |a Seismic attributes  |2 georeft 
650 7 |a Seismic methods  |2 georeft 
650 7 |a Seismic profiles  |2 georeft 
650 7 |a Seismicity  |2 georeft 
650 7 |a Shale  |2 georeft 
650 7 |a Sills  |2 georeft 
650 7 |a Siltstone  |2 georeft 
650 7 |a Stress  |2 georeft 
650 7 |a Strike  |2 georeft 
650 7 |a Surveys  |2 georeft 
650 7 |a Tectonics  |2 georeft 
650 7 |a Three-dimensional models  |2 georeft 
650 7 |a Traveltime  |2 georeft 
650 7 |a Upper Cambrian  |2 georeft 
650 7 |a Velocity  |2 georeft 
650 7 |a Visualization  |2 georeft 
650 7 |a Volcanic rocks  |2 georeft 
651 7 |a Illinois Basin  |2 georeft 
651 7 |a United States  |2 georeft 
653 |a Illinois Basin-Decatur Project 
700 1 |a Keach, R.W., II 
700 1 |a Leetaru, H.E. 
700 1 |a Smith, K.M. 
773 0 |t Interpretation (Tulsa)  |d Tulsa, OK : Society of Exploration Geophysicists, May 2018  |x 2324-8858  |n Interpretation (Tulsa), 6(2), p.T257-T270. Publisher: Society of Exploration Geophysicists, Tulsa, OK, United States. ISSN: 2324-8858  |g Vol. 6, no. 2  |h illus., incl. block diags., geol. sketch maps 
856 |u urn:doi: 10.1190/INT-2017-0116.1