Webster’s Revised Unabridged Dictionary · 1913
Calcareo-siliceous
Cal·ca′re·o-si·li′ceous, a.Consisting of, or containing calcareous and siliceous earths.
Webster’s Revised Unabridged Dictionary · 1913
Cal·ca′re·o-si·li′ceous, a.Consisting of, or containing calcareous and siliceous earths.