siltstone









siltstone


siltstone [silt-stohn] Word Origin noun Petrography.

  1. a very fine-grained sandstone, mainly consolidated silt.

Origin of siltstone First recorded in 1925–30; silt + stone British Dictionary definitions for siltstone siltstone noun

  1. a variety of fine sandstone formed from consolidated silt

siltstone in Science siltstone [sĭlt′stōn′]

  1. A fine-grained sedimentary rock consisting primarily of compacted and hardened silt. Siltstones are similar to shale but without laminations. They vary in color from black or gray to brown or red.
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