Electrical Resistivity Changes in Saturated Rock under Stress
- 23 September 1966
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 153 (3743), 1525-1526
- https://doi.org/10.1126/science.153.3743.1525
Abstract
Electrical resistivity of water-saturated crystalline rock such as granite, diabase, dunite, or quartzite changes by an order of magnitude prior to fracture of the rock in compression. The effect observed even under high confining pressure is due to formation of open cracks which first appear at one-third to two-thirds the fracture stress.Keywords
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