Tufa - Definition
tufa
n 1: a soft porous rock consisting of calcium carbonate
deposited from springs rich in lime [syn: tufa, calc-
tufa]
2: hard volcanic rock composed of compacted volcanic ash [syn:
tuff, tufa]
n 1: a soft porous rock consisting of calcium carbonate
deposited from springs rich in lime [syn: tufa, calc-
tufa]
2: hard volcanic rock composed of compacted volcanic ash [syn:
tuff, tufa]