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Appalachian Ultradeep Core Hole Project

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Journal Article
Journal: Geophysics
Published: 01 January 2000
Geophysics (2000) 65 (5): 1388–1401.
... 2 s TWT. A short profile interpreted by Clark et al. (1978) and later profiles shot for the ADCOH (Appalachian ultraDeep Core Hole) project resolved considerably more structure in the upper 10 km of the crust. The ADCOH profiles show compositional layering within large-scale recumbent folds...
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Journal Article
Journal: Geology
Published: 01 May 2015
Geology (2015) 43 (5): 431–434.
... and enhanced interpretation of the initial COCORP Southern Appalachians traverse : Tectonophysics , v. 420 , p. 161 – 174 , doi:10.1016/j.tecto.2006.01.022. Costain J.K. Hatcher R.D. Jr Çoruh C. , 1989a , Appalachian ultradeep core hole (ADCOH) project site investigation, regional...
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Journal Article
Published: 01 February 2008
Bulletin of the Seismological Society of America (2008) 98 (1): 469–475.
... by phase shift , Geophysics 43 , 1342 - 1351 . Hatcher R. D. Jr. Costain J. K. Coruh C. Phinney R. A. Williams R. T. ( 1987 ). Tectonic implications of new Appalachian ultradeep core hole ( ADCOH ) seismic reflection data from the crystalline southern Appalachians...
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Journal Article
Journal: Geology
Published: 05 September 2022
Geology (2022) 50 (11): 1306–1311.
... ; Appalachian Ultradeep Core Hole [ADCOH], Coruh et al., 1987 ; Southeastern Suture of the Appalachian Margin Experiment [SESAME], Parker et al., 2015 ; Hopper et al., 2017 ). However, standard active/passive source experiments do not resolve three-dimensional geometry or anisotropy without specialized...
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Book Chapter

Series: GSA Memoirs
Published: 11 September 2017
DOI: 10.1130/2017.1213(000)
EISBN: 9780813782133
... regarding orogenic processes. Bob has been involved with many collaborative and multidisciplinary studies. He proposed and organized the Appalachian Ultradeep Core Hole (ADCOH), an international multidisciplinary project that included 80 scientists from 48 institutions—a new level of collaboration. During...
Journal Article
Published: 08 October 2019
Bulletin of the Seismological Society of America (2019) 109 (6): 2288–2304.
... 725 km from central Alabama into Virginia ( Christensen and Szymanski, 1988 ). The seismic profiles and boreholes (DH‐2) collected by the Appalachian Ultradeep Core Hole (ADCOH) project study group showed the detailed geometry and lithology characters of the Brevard zone ( Hatcher et al. , 1987...
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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 01 June 2012
Lithosphere (2012) 4 (3): 242–256.
...) . Their results show a highly reflective lower crust and Moho beneath the coastal plains and Carolinia, but little to no reflectivity in the mid- or lower crust beneath the Inner Piedmont or Blue Ridge. In contrast, the 1985 Appalachian ultradeep core hole (ADCOH) profiles, located slightly farther to the north...
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Journal Article
Published: 15 February 2023
Geological Magazine (2023) 160 (5): 874–887.
.... Standard silicon was used for calibration, which shows a Raman shift spectrum at 520.59 cm –1 . Calibration was performed with an error of 0.1 cm –1 . Accumulations were done for 2 seconds, while the acquisition time was set for 7 to 6 seconds. The grating was fixed at 600 grooves/mm, while the hole width...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2012
GSA Bulletin (2012) 124 (3-4): 291–317.
... core hole site study : Geophysical Journal of the Royal Astronomical Society , v. 89 , p. 147 – 156 . Costain J.K. Hatcher R.D. Jr Coruh C. , 1989 , Appalachian Ultradeep Core Hole (ADCOH) project site investigation: Regional seismic lines and geologic interpretation...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1977
AAPG Bulletin (1977) 61 (8): 1269–1304.
.... The drilling-depth record established in 1974 stands at 21,460 ft in the Upper Cambrian, making it the deepest well drilled in the Appalachian basin. The most active area for deep drilling was Crawford County where 19 deep wells were drilled: 10 gas wells, 6 oil and gas wells, and 3 dry holes. The most active...
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Journal Article
Published: 01 December 2011
Bulletin of the Seismological Society of America (2011) 101 (6): 2796–2809.
... is supported by the Consortium for Continental Reflection Profiling ( COCORP ) and the Appalachian ultraDeep Core Hole ( ADCOH ) seismic reflection profiles ( Cook et al. , 1979 ; Hubbard et al. , 1991 ; Cook and Vasudevan, 2006 ). These show strong, continuous, multicyclic reflections interpreted...
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Series: GSA Special Papers
Published: 01 January 2007
DOI: 10.1130/2007.2433(12)
... (immediately beneath the series of strong reflectors—Rome Formation shale and sandstone—that rests on basement) from NW to SE. TWT—two-way traveltime. Figure 7 ( continued ). (B) ADCOH (Appalachian Ultradeep Core Hole Project site investigation): (1) seismic-reflection line (west segment, Line 3...
Journal Article
Published: 01 December 2011
Environmental Geosciences (2011) 18 (4): 217–257.
..., and both organic and inorganic geochemistry. During his tenure with the Survey, John has worked on numerous projects dealing with the Commonwealth's oil, gas, and subsurface geology, including Department of Energy–sponsored studies such as the Eastern Gas Shales Project, the atlas of major Appalachian gas...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1978
AAPG Bulletin (1978) 62 (8): 1399–1440.
... drilled in Accident field, Garrett County. Total new footage drilled was 22,830. Gas production from Garrett County fields (81,800 Mcf) increased 9% from 1976. In Ohio, 2,624 new wells were drilled, a 48.1% increase from 1976. These included 844 gas, 372 oil, 1,237 combination, and 171 dry holes, yielding...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 2017
AAPG Bulletin (2017) 101 (7): 941–993.
..., salt-cored fold belts. In the early 1980s, only a few wells in this area had been drilled in water depths greater than 457 m (1500 ft); 30 yr later, there are 226 discoveries and fields in these depths ( Tables 1 – 5 ). Figure 1. Regional shaded bathymetric map of the Gulf of Mexico...
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Journal Article
Published: 01 June 2016
Journal of Sedimentary Research (2016) 86 (6): 683–711.
..., Virginia; and Overton County, Tennessee : U.S. Geological Survey , Open File Report 79-1503 , 52 p. Leventhal J.S. 1980 , Comparative geochemistry of Devonian shale cores from the Appalachian Basin, Mason...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 2022
AAPG Bulletin (2022) 106 (8): 1625–1652.
... referred to as the South Texas submarine plateau ( Donovan et al., 2016 ), provided sufficient accommodation for deposition of thick EFG strata ( Donovan et al., 2012 , 2016 ). A Late Cretaceous deep-water fan system, sourced predominantly from the Appalachian Mountains, formed east of the Sabine...
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Series: Geological Society, London, Special Publications
Published: 01 January 2019
DOI: 10.1144/SP474.9
EISBN: 9781786204202
... of coesite is documented in core samples from the 5158 m-deep Chinese Continental Scientific Drilling Project (CCSD) in the Sulu orogen ( Liu F.L. et al. 2007 ). Therefore, a huge amount of the crustal rocks were subducted to subarc depths of 80–160 km for in situ UHP metamorphism. There are virtually...
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