Overview

troctolite


Show Summary Details

Quick Reference

A coarse-grained, igneous rock consisting of essential magnesium-rich olivine and calcium-rich plagioclase feldspar with accessory ilmenite; i.e. it is gabbro without the pyroxene component. Troctolites grade into gabbros by a gradual increase in pyroxene content and a gradual decrease in olivine content.

Subjects: Earth Sciences and Geography.


Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.