Award Date

1-1-1989

Degree Type

Thesis

Degree Name

Master of Science (MS)

Department

Geoscience

First Committee Member

Ernst Duebendorfer

Number of Pages

77

Abstract

Deformation bands were analyzed by mapping and describing over 500 of the structures exposed on a bedding surface of about 560 square meters present in the Aztec Sandstone in the Valley of Fire State Park, Nevada; Three sets of deformation bands are present. Two sets are interpreted as coeval and form a conjugate set with a dihedral angle of 90 degRees These are often composed of multiple bands. In contrast, the third set is nearly always a single band which is sinuous or jagged along its length. They often curve sharply near the intersections with the earlier formed sets, becoming parallel rather than intersecting the other sets. Despite this sinuosity, these bands have consistent orientations and are parallel with each other from end to end; Relationships with other structures in the vicinity suggests deformation bands formed in response to regional compression.

Keywords

Analysis; Aztec; Bands; Deformation; Fire; Nevada; Park; Sandstone; State; Valley

Controlled Subject

Geology

File Format

pdf

File Size

2242.56 KB

Degree Grantor

University of Nevada, Las Vegas

Language

English

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