Glossary · Preservation
Nodule
A small concretion, or an irregular mass of a mineral (flint, chert, phosphate) in a sedimentary rock; nodules are collected whole and split to find their contents.
A small concretion, or an irregular mass of a mineral (flint, chert, phosphate) in a sedimentary rock; nodules are collected whole and split to find their contents.
Sources
Cite this article
Stratum Study. "Nodule" (Glossary). Stratum Study pack 2026.09, as of 2026-09-16. https://stratum.black/study/glossary/nodule. Accessed 2026-09-20.
@misc{stratum-nodule,
title = {Nodule},
author = {{Stratum Study}},
howpublished = {\url{https://stratum.black/study/glossary/nodule}},
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.