country rock

Definitions

1. A genre of music combining elements of country music and rock music.
   uncountable
2. The rock which is native to a certain area.
   countable
3. Rock that surrounds reefs or lodes of mined minerals, forming the walls and floors of quarries, or through which mine tunnels are driven.
   countable

Equivalents

Examples

“It is commonly said of manganese ores that in their occurrence they are generally of a pockety nature, by which it is meant that the ores are found in limited masses surrounded by unproductive country rock, as opposed to the usual occurrence of other minerals in veins […]”

“After driving, and opening the reef for some distance, it turned under, and completely pinched out in country rock.”

CEFR level