USGS: about Science Topics: Clastic rock

Mineral Resources On-Line Spatial Data

Clastic rock

A composed principally of broken fragments that are derived from preexisting rocks or minerals and that have been transported some distance from their place of origin.

This category is also used for Clastic sedimentary rock and clastic.

Subtopics:
Mudstone
Fine-grained mixed clastic rock
Sandstone
Medium-grained mixed clastic rock
Conglomerate
Sedimentary breccia
Coarse-grained mixed clastic rock
Olistostrome

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