picrite

[ pik-rahyt ]

noun

1. a granular igneous rock composed chiefly of olivine and augite, but containing small amounts of feldspar.

picrite

/ ˈpɪkraɪt /

noun

1. a coarse-grained ultrabasic igneous rock consisting of olivine and augite with small amounts of plagioclase feldspar

Word History and Origins

Origin of picrite¹

1805–15; < Greek pikr ( ós ) bitter + -ite ¹

Example Sentences

These range from acid to ultrabasic types and include granite, augite-diorite, picrite and serpentine.

From Project Gutenberg