Skip to content

Geology is the Way

Nodular texture

This page, like Earth, is still under construction. You can help me complete it for the price of a coffee!  Buy Me a Coffee at

A rock with a nodular texture consists of nodules, rounded lumps of crystalline or amorphous solid material, surrounded by a matrix. Nodules are concretions and aggregates produced by chemical precipitation of minerals within a rock.

Jenkyns, H. C. (1974). Origin of red nodular limestones (Ammonitico Rosso, Knollenkalke) in the Mediterranean Jurassic: a diagenetic model. Pelagic sediments: on land and under the sea1, 249-271.
Maliva, R. G., & Siever, R. (1989). Nodular chert formation in carbonate rocks. The Journal of Geology97(4), 421-433.


it_IT Italiano
Detrital and Authigenic Minerals
Sedimentary Structures
Sedimentary Rocks


Do you like this page?