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Origin of calcareous tufa
Words nearby calcareous tufa
Example sentences from the Web for calcareous tufa
The rocks of the island are principally calcareous and in a very advanced state of decomposition.
Calcareous incrustations, including fragments of madrepores, and of shells, cemented by splintery carbonate of lime.
These are chambers excavated in the tufa on either side of the galleries, with which they communicate by doors, as seen in Fig. 4.
For the same reason the different piani were generally separated by a thick stratum of solid tufa.
At B will be observed the employment of masonry to strengthen the crumbling walls of the friable tufa.