Anorthosite
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar. countable, uncountable
"The second, or Labrador series is characterized, as already remarked, by the predominance of great beds of anorthosite, composed chiefly of triclinic feldspars […]"
Example
More examples"The second, or Labrador series is characterized, as already remarked, by the predominance of great beds of anorthosite, composed chiefly of triclinic feldspars […]"