Glossaria.net

Glossary Soil / Term

Chalk

The term refers to either (a) soft white limestone which consists of very pure calcium carbonate and leaves little residue when treated with hydrochloric acid, and sometimes consists largely of the remains of foraminifera, echinoderms, molluscs, and other marine organisms, or (b) The upper or final member of the cretaceous system.

Permanent link Chalk - Creation date 2020-03-27


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