Going away slightly from the mining theme, slickensides can als
Going away slightly from the mining theme, slickensides can also occur in karstic collapses. While exploring new cave passage in Spain a few years ago we noticed large blocks in a major choke showing well developed slickensides. At first we assumed the particular passage had developed along a pre existing fault, until it was noticed that the slickensides occurred on different faces of the blocks. This indicates them forming in a low stress enviroment, with gravity being the only force applied.
Alasdair Neill.
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