Tufa
noun, Geology.
1.
Also called calcareous tufa, calc-tufa, calc-tuff. a porous limestone formed from calcium carbonate deposited by springs or the like.
Compare travertine.
2.
(not in technical use) tuff 2 .
noun
1.
a soft porous rock consisting of calcium carbonate deposited from springs rich in lime Also called calc-tufa
tufa
(t’fə)
A soft, friable, and porous sedimentary rock consisting of calcium carbonate and formed by the evaporation of water, especially at the mouth of a hot spring or on a drying lakebed. It is similar to, but harder than, travertine.
Read Also:
- Tuff
adjective, Slang. 1. tough (def 13). noun, Geology. 1. a fragmental rock consisting of the smaller kinds of volcanic detritus, as ash or cinder, usually more or less stratified. noun 1. a rock formed by the fusing together on the ground of small rock fragments (less than 2 mm across) ejected from a volcano tuff […]
- Tuffaceous
noun, Geology. 1. a fragmental rock consisting of the smaller kinds of volcanic detritus, as ash or cinder, usually more or less stratified. noun 1. a rock formed by the fusing together on the ground of small rock fragments (less than 2 mm across) ejected from a volcano tuff (tŭf) A rock made up of […]
- Tuffer
adjective, Slang. 1. tough (def 13). noun 1. a rock formed by the fusing together on the ground of small rock fragments (less than 2 mm across) ejected from a volcano tuff (tŭf) A rock made up of particles of volcanic ash, varying in size from fine sand to coarse gravel. tuckered
- Tuffest
adjective, Slang. 1. tough (def 13). noun 1. a rock formed by the fusing together on the ground of small rock fragments (less than 2 mm across) ejected from a volcano tuff (tŭf) A rock made up of particles of volcanic ash, varying in size from fine sand to coarse gravel. tuckered
- Tuffet
noun 1. a low stool; footstool. 2. Dialect. tuft. noun 1. a small mound or low seat