
a smoothly polished surface caused by frictional movement between rocks along the two sides of a fault. This surface is normally striated in the direction of movement.
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http://en.wikipedia.org/wiki/Glossary_of_geology

In geology, a slickenside is a smoothly polished surface caused by frictional movement between rocks along the two sides of a fault. This surface is normally striated in the direction of movement. The plane may be coated by mineral fibres that grew during the fault movement, known as slickenfibres, which also show the direction of displacement. Du...
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http://en.wikipedia.org/wiki/Slickenside

smooth; polished rock surface produced by friction
Found on
http://phrontistery.info/s.html

(from the article `fault`) Fault slip may polish smooth the walls of the fault plane, marking them with striations called slickensides, or it may crush them to a fine-grained, ...
Found on
http://www.britannica.com/eb/a-z/s/108

A smooth, striated, polished surface produced on rock by friction.
Found on
http://www.coaleducation.org/glossary.htm

A polished or smooth fault surface. The direction of the last fault movement can be determined by feeling which direction is smoothest with your hand.
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http://www.encyclo.co.uk/local/20206

A smooth, striated, polished surface produced on rock by friction.
Found on
http://www.rocksandminerals.com/glossary.htm

A polished and smoothly striated surface that results from friction along a fault plane.
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https://www.encyclo.co.uk/local/22327

The striated, polished surface of a fault caused by one wall rubbing against the other.
Found on
https://www.encyclo.co.uk/local/22734
No exact match found.