calcareous tufa

noun

1. tufa ( def 1 ).

Word History and Origins

Origin of calcareous tufa¹

First recorded in 1810–20

Example Sentences

Its bed is composed of calcareous tufa, chiefly the remains of reeds and mosses, forming a beautiful succession of cascades.

From Project Gutenberg

The exterior was entirely of calcareous tufa of Tivoli, called travertine, a fine hard and white stone.

From Project Gutenberg

The formation is soft calcareous tufa, such as forms the bottom of all this basin.

From Project Gutenberg

Large patches of these flats are covered with white calcareous tufa resting on perfectly horizontal strata of trap.

From Project Gutenberg

The fossil bones which lie in the calcareous tufa of this region will yet, we hope, reveal the ancient fauna.

From Project Gutenberg