Suppe, 1983

21
Suppe, 1983

description

Suppe, 1983. Suppe, 1983. Advantages: Can be reconstructed from surface geology Assumptions: Pervasive slip on bedding planes as rocks pass through hinges Slip is carried off-section. Suppe, 1983. Suppe, 1983. Brown, GSA Mem 171, 1988. Brown, GSA Mem 171, 1988. - PowerPoint PPT Presentation

Transcript of Suppe, 1983

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Suppe, 1983

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Suppe, 1983

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Suppe, 1983

Advantages:Can be reconstructed from surface geologyAssumptions:Pervasive slip on bedding planes as rocks pass through hingesSlip is carried off-section

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Suppe, 1983

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Brown, GSA Mem 171, 1988

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Brown, GSA Mem 171, 1988

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Brown, GSA Mem 171, 1988

Rattlesnake Mtn interpretation of

Sterns, 1971

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Brown, GSA Mem 171, 1988

Rattlesnake Mtn interpretation of

Sterns, 1971

Rattlesnake Mtn interpretation of

Brown, 1984

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Brown, GSA Mem 171, 1988

Rattlesnake Mtn interpretation of

Sterns, 1971

Rattlesnake Mtn interpretation of

Brown, 1984

Rattlesnake Mtn interpretation of

Erslev, 1986

Erslev, Geology, 1986

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Erslev, 1991

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Erslev, 1991

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Erslev, 1991

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Advantages:Deals with more realistic geometries in foreland situations than fault-bend foldsDisadvantages:Requires plastic deformation in trishear zone, which can become non-unique in terms of structures

Erslev, 1991

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Smithson et al., JGR, 1979

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Smithson et al., Geology, 1978

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Smithson et al., Geology, 1978

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Erslev, Geology, 1986

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Brown, GSA Mem 171, 1988Other shortening estimates: 60-120 km by Chapin and Cather

(1983) to NNE43-52 km to ENE (Bird, 1998)

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Erslev, GSA SP 280, 1993

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Erslev, & Koenig, GSA Mem 204, 2009

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Erslev, & Koenig, GSA Mem 204, 2009