MOVIE SCENES

Spherical concretion associated with tusk shell

Spherical concretion with a tusk shell found instrata of 16 million years ago. It formed very quickly at most several months, mush shorter than previous estimates. Application of the fast formation of concretion is now investigated.

KEYWORDS: Spherical concretion / Calcite / Sealing / Applied geoscience

Department of Earth and Planetary Sciences

Reference
https://www.sci.nagoya-u.ac.jp/images/kouhou/30.pdf
(Japanese only)

CATEGORIES

Department of Earth and Planetary Science