from the GNU version of the Collaborative International Dictionary of English
- adj. consisting of, or containing, calcareous and argillaceous earths.
from The Century Dictionary and Cyclopedia
- Consisting of or containing a mixture of chalk or lime and clay: as, a calcareo-argillaceous soil.
Sorry, no etymologies found.
This change in the vegetation marks the commencement of the grand calcareo-argillaceous deposit, which forms the wide extent of the Pampas, and covers the granitic rocks of Banda Oriental.
Over the lower bed of conglomerate, which here, as on the east coast, is of great thickness, we find a bed of gray stratified clay, containing a few calcareo-argillaceous nodules.
ON THE TOPOGRAPHY AND GEOLOGY the upper part of which are occasional strata of a calcareo-argillaceous shale, abound - ing in fossils, among which the commonest are Area grandis and JPleurotoma virgo.