redefinition of the tectonic features in portions of ... · keya bro. blaine ant cop *heeler gre .0...
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Redefinition of the Tectonic Features
in Portions of Nebraska
and Adjoining Areas
New Approaches to Exploration
Marvin P. CarlsonNebraska Geological Survey
William H. SydowNebraska Oil and Gas Conservation Commission
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Structural Features, Region
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Structural Features, Nebraska
1969
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Precambrian Configuration
Carlson, 2000
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Basement Rock Type, Nebraska
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Diagrammatic Section across a
Continental-Margin Subduction System
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Sutures/Terranes
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Regional Uplifts
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Structures/Sutures
1 Hartville Fault (Sims etal, 1981)
2 Cheyenne Belt (Sims etal, 1981)
3 Agate-White River Fault (Swinehart etal, 1985)
4 Skin Gulch Shear (Tweto, 1980)
5 Morrill County High (Sonneberg and Weimer, 1981)
6 Idaho Springs Shear (Tweto, 1980)
7 Wattenberg High (Sonneberg and Weimer, 1981)
8 Los Animas Arch (Sonneberg and Weimer, 1981)
9 Ord Arch (Carlson, 2000)
10 North Platte Arch (Carlson, 2000)
11 Cambridge Arch (Carlson, 2000)
12 Central Kansas Uplift (Cole, 1976)
13 Rush Rib (Cole, 1976)
14 Northern boundary Granite-Rhyolite province
(Van Schmus etal, 1993)
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Regional Terranes
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Revised Structural Features, Nebraska
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Nebraska Fields
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Potential Fields