(definition) by Webster 1913 Sat Feb 11 2006 at 6:30:20

Au`to*clas"tic (?), a. [See Auto- ; Clastic.] (Geol.)

Broken in place; -- said of rocks having a broken or brecciated structure due to crushing, in contrast to those of brecciated materials brought from a distance.

 

© Webster 1913

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