1) Plutonic rock
Found on
https://www.crosswordclues.com/clue/theralite
Theralite (from Greek `to pursue`) is, in petrology, the name given to calcic foidal gabbro, a plutonic hylocrystaline rock consisting of augite, olivine, calcic plagioclase (labradorite), and nepheline, along with accessories including biotite, magnetite, ilmenite and analcime. Theralite is the intrusive equivalent of nepheline basanite, a foid.....
Found on
http://en.wikipedia.org/wiki/Theralite
any member of a group of intrusive igneous rocks that contain labradorite (basic plagioclase feldspar), nepheline, and titaniferous augite. ...
Found on
http://www.britannica.com/eb/a-z/t/36
No exact match found.
