- grovacca
- геол. граувакка
Dictionnaire polytechnique italo-russe. 2013.
grovacca
Смотреть что такое "grovacca" в других словарях:
Greywacke — (German grauwacke , signifying a grey, earthy rock) is a variety of sandstone generally characterized by its hardness, dark color, and poorly sorted, angular grains of quartz, feldspar, and small rock fragments set in a compact, clay fine matrix … Wikipedia
