calc-tuff
- a variation of calc-tufa.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Imbedded in the same bank, there were large masses of a dark-brown calc-tuff, full of cavities containing some greenish earthy substance.
From Narrative of a Second Expedition to the Shores of the Polar Sea by Franklin, John