Thrust Systems: Balanced Cross Sections

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Thrust Systems Balanced Cross Sections
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Thrust Systems Balanced Cross Sections
Davis and Reynolds, 1996
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Pin Line
li
lf
Length final-length initial length initial
shortening
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McQuarrie, 2002
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Final fault geometry is dependent on geometry of
ramps and flats
Displacement of points on bedding
top
top
bottom
bottom
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Template Constraint
From Marshak and Mitra, 1988
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Admissible versus inadmissible cross sections
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Whats right and wrong with these sections?
From Marshak and Mitra, 1988
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Reference Frames
Pin Lines - regional versus local Loose
Lines Regional Dip Regional Level
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Area Line Balancing
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From Marshak and Mitra, 1988
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From Marshak and Mitra, 1988
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(No Transcript)
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From John Waldron, http//courses.eas.ualberta.ca/
eas421/
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Balanced cross section from western Nepal
Balanced Deformed-State Cross Section
from DeCelles et al., 2001, Tectonics
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Pine Valley Anticline
From Mitra, 1988
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From Mitra, 1988
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From Mitra, 1988