Award Date

1-1-2000

Degree Type

Thesis

Degree Name

Master of Science (MS)

Department

Geoscience

First Committee Member

W. J. Taylor

Number of Pages

104

Abstract

Transverse faults in extensional terranes strike parallel to subparallel to the extension direction, are laterally continuous, and terminate abruptly. Problems of transverse faults are addressed by analysis of the Currant Summit fault, an east-west striking fault in east-central Nevada; Mapping of rock units and structures allowed determination of the net slip along the Currant Summit fault. The slip was calculated from an offset anticlinal hinge. Motion is normal-left oblique with horizontal offset of 3300 m, throw of 1950 m and heave of 70 m. Geometric calculations and field data constrain the fault dip to ∼87° N; The name oblique-slip barrier transfer fault is proposed to describe this type of fault. The oblique-slip barrier transfer fault: segments extensional provinces; may be part of a larger transfer or accommodation zone; prohibits normal fault propagation; and allows normal faults to transfer slip onto the transverse fault.

Keywords

Currant; Extended; Fault; Nevada; Summit; Terrane; Transverse

Controlled Subject

Geology

File Format

pdf

File Size

3911.68 KB

Degree Grantor

University of Nevada, Las Vegas

Language

English

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