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

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
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