(1) Copper may also be leached but can accumulate in caliche deposits.
(2) Calcium carbonate precipitates among the algal filaments under experimental conditions, indicating a potential for mat lithification and fossilization in the form of a caliche crust.
Hardpan
Definition:
(n.) The hard substratum. Same as Hard pan, under Hard, a.
Example Sentences:
(1) The hardpan bases around most turbines bear the telltale marks of sheep encampment.