Title

Fault Detection using Electrical Resistivity Tomography

Abstract

Electrical Resistivity Tomography (ERT) data were acquired on the ground surface across an underground limestone mine access tunnel in an effort to characterize the roof rock. This investigation was conducted because simultaneous localized failure occurred on the ceiling of the access tunnel and elsewhere in the mine along a previously unknown northwest trending lineament. The interpretation of the ERT data indicates the limestone roof rock above the tunnel is dissected by several prominent clay-bearing near-vertical solution-widened fractures (joints or faults) that are not visually exposed on the ceiling of the tunnel. Roof rock failure in the mine access tunnel occurred at the intersection of projected lineament and one of the more prominent interpreted solution-widened fractures.

Meeting Name

23rd Symposium on the Application of Geophysics to Engineering and Environmental Problems (2010: Apr. 11-15, Keystone, CO)

Department(s)

Geosciences and Geological and Petroleum Engineering

Keywords and Phrases

Electrical Resistivity Tomography; Ground Surfaces; Limestone Mines; Localized Failure; Roof Rock; Data Visualization; Geophysics; Limestone; Roadway Supports; Fracture

International Standard Book Number (ISBN)

9781617384172

International Standard Serial Number (ISSN)

15548015

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2010 Society of Exploration Geophysicists, All rights reserved.

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