Geologic map of Paleozoic rocks in the Calico Hills, Nevada Test Site, southern Nevada

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Description

The Calico Hills area in the southwestern part of the Nevada Test Site, Nye County, Nevada, exposes a core of pre-Tertiary rocks surrounded by middle Miocene volcanic strata. This map portrays the very complex relationships among the pre-Tertiary stratigraphic units of the region. The Devonian and Mississippian rocks of the Calico Hills are distinct from age-equivalent carbonate-shelf or submarine-fan strata in other parts of the Nevada Test Site. The Calico Hills strata are interpreted to have been deposited beyond the continental shelf edge from alternating silicic and carbonate clastic sources. Structures of the Calico Hills area record the compounded effects ... continued below

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19 p.

Creation Information

Cole, J.C. & Cashman, P.H. November 1, 1998.

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Description

The Calico Hills area in the southwestern part of the Nevada Test Site, Nye County, Nevada, exposes a core of pre-Tertiary rocks surrounded by middle Miocene volcanic strata. This map portrays the very complex relationships among the pre-Tertiary stratigraphic units of the region. The Devonian and Mississippian rocks of the Calico Hills are distinct from age-equivalent carbonate-shelf or submarine-fan strata in other parts of the Nevada Test Site. The Calico Hills strata are interpreted to have been deposited beyond the continental shelf edge from alternating silicic and carbonate clastic sources. Structures of the Calico Hills area record the compounded effects of: (1) eastward-directed, foreland-vergent thrusting; (2) younger folds, kink zones, and thrusts formed by hinterland-vergent deformation toward northwesterly and northerly directions; and (3) low-angle normal faults that displaced blocks of Middle Paleozoic carbonate strata across the contractionally deformed terrane. All of these structures are older than any of the middle Miocene volcanic rocks that were erupted across the Calico Hills.

Physical Description

19 p.

Notes

OSTI as DE99000503

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  • Other Information: PBD: 1998

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  • Other: DE99000503
  • Report No.: USGS/OFR--98-101
  • Grant Number: AI08-96NV11967
  • DOI: 10.2172/677013 | External Link
  • Office of Scientific & Technical Information Report Number: 677013
  • Archival Resource Key: ark:/67531/metadc708185

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • November 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

Description Last Updated

  • May 20, 2016, 2:52 p.m.

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Cole, J.C. & Cashman, P.H. Geologic map of Paleozoic rocks in the Calico Hills, Nevada Test Site, southern Nevada, report, November 1, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc708185/: accessed January 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.