( n. )
A flattened concretionary nodule, usually of limestone, intersected within by cracks which are often filled with calcite, barite, or other minerals.
( n. )
A flattened concretionary nodule, usually of limestone, intersected within by cracks which are often filled with calcite, barite, or other minerals.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012