- sparry coal
- уголь с плёнками кальцита по трещинам
English-Russian mining dictionary. 2015.
English-Russian mining dictionary. 2015.
sparry coal — /spari ˈkoʊl/ (say spahree kohl) noun coal filled with calcite …
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium