coquina in German
coquina in German
Schillkalk
(uncountable, geology) A soft form of limestone made of fragments of shells, sometimes used as a building or road paving material. [from mid 19th c.]
Schillkalkstein
(uncountable, geology) A soft form of limestone made of fragments of shells, sometimes used as a building or road paving material. [from mid 19th c.]