C2 noun #145,562 よく出る

A sedimentary rock whose composition is intermediate in grain size between the coarser sandstone and the finer mudstone.

siltstone 30秒で

  • (noun) A sedimentary rock whose composition is intermediate in grain size between the coarser sandstone and the finer mudstone.

Meanings

  1. 1
    noun A sedimentary rock whose composition is intermediate in grain size between the coarser sandstone and the finer mudstone.
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