anorthosite
Noun
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Noun
anorthosite
- (rock) A phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar.
- 1863, T. Sterry Hunt, "On the Chemical and Mineralogical Relations of Metamorphic Rocks", The American Journal of Science and Arts, Volume XXXVI, November, 1863, page 224:
- The second, or Labrador series is characterized, as already remarked, by the predominance of great beds of anorthosite, composed chiefly of triclinic feldspars […]
- 1863, T. Sterry Hunt, "On the Chemical and Mineralogical Relations of Metamorphic Rocks", The American Journal of Science and Arts, Volume XXXVI, November, 1863, page 224:
- Portuguese: anortosita
- Russian: анортози́т
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003