ultrabasite

ultrabasite

[¦əl·trə′bā‚sīt]
(mineralogy)
References in periodicals archive ?
In this model, the Vodnany shear zone copied an older shear zone along which rock complexes of the lower crust represented by ultrabasites and granulites were uplifted to the Earth's surface.
There are local inclusions and lens of ultrabasites, gabbroides and orthoamphibolites.