Glossary · Lithology
Sandstone and siltstone
Clastic rocks of sand-size (0.06–2 mm) and silt-size (0.004–0.06 mm) grains.
Clastic rocks of sand-size (0.06–2 mm) and silt-size (0.004–0.06 mm) grains. Fluvial sandstones hold the bone beds of the Morrison and Hell Creek; siltstones of the Round Mountain hold Sharktooth Hill.
Sources
Cite this article
Stratum Study. "Sandstone and siltstone" (Glossary). Stratum Study pack 2026.09, as of 2026-09-16. https://stratum.black/study/glossary/sandstone-siltstone. Accessed 2026-09-20.
@misc{stratum-sandstone-siltstone,
title = {Sandstone and siltstone},
author = {{Stratum Study}},
howpublished = {\url{https://stratum.black/study/glossary/sandstone-siltstone}},
year = {2026},
note = {Glossary article, Stratum Study pack 2026.09, as of 2026-09-16; sources: stratum. Accessed 2026-09-20.}
} Citations carry the pack version and the article's as-of date so they resolve to the same text later. The facts themselves belong to the sources listed below; cite those for the science.