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Title	CLASSIFICATION OF TRANSLATIONAL FAULT SLIP
Accession No	00230217
Authors	Threet, R L
Journal Title	Geological Society of America Bulletin Vol. 84 No. 5
Publication Date	19730500
Description	p. 1825-7; Figures(2); References(5)
Abstract	TO ALLOW A STRUCTURAL GEOLOGIST TO USE CONCISE TERMS TO DESCRIBE PRECISELY THE VARIOUS POSSIBILITIES OF SENSE OF SLIP ON TRANSLATIONAL FAULTS, A CLASSIFICATION IS PROPOSED THAT PERMITS EMPHASIS OF THE RELATIVE IMPORTANCE OF LATERAL-SLIP AND DIP-SLIP COMPONENTS BY RANK-ORDERING THE ADJECTIVES PERTAINING TO THE COMPONENTS. A FAULT WITH RIGHT REVERSE SLIP WOULD HAVE A MAJOR COMPONENT OF REVERSE SLIP AND A MINOR COMPONENT OF RIGHT-LATERAL SLIP, AND A FAULT WITH REVERSE RIGHT SLIP WOULD HAVE A MAJOR COMPONENT OF RIGHT-LATERAL SLIP AND A MINOR COMPONENT OF REVERSE SLIP. PROVISIONS ARE ALSO MADE FOR DESIGNATION OF ESSENTIALLY PURE DIP SLIP, STRIKE SLIP, AND OBLIQUE SLIP. THE SAME PRINCIPLES ARE APPLIED TO ROTATIONAL FAULTS WHERE THE DEGREE OF ROTATION IS NOT SEVERE. THE CLASSIFICATION IS FORMALIZED IN A FIGURE. AS WITH ANY CLASSIFICATION, SITUATIONS CLOSELY APPROACHING OR LYING ON A BOUNDARY REQUIRE SPECIAL TREATMENT. ROTATIONAL FAULTS WHERE THE DEGREE OF ROTATION IS NOT SEVERE, PLANAR ROTATIONAL FAULTS WITH SHORT RADII OF CURVATURE OF THE PATHS OF NET SLIP, CYLINDRICAL FAULTS AND SCOOP-SHAPED FAULTS WITH SHORT RADII OF CURVATURE ARE ALL CONSIDERED. THE NEED FOR UNEQUIVOCAL DISTINCTION BETWEEN SEPARATION AND SLIP IS EMPHASISED.
TRT Terms	Classification ; Faulting ; Faults ; General surface features of the earth ; Slip (Fluid mechanics)
Other Terms	Geologic formations; Geological faults; Slips
Subject Areas	H61 EXPLORATION - CLASSIFICATION (SOILS)
TRIS Files	HRIS
Database	TRIS Online

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