Greenstone - Law Dictionary Search Results

Home Dictionary Name: greenstone

Diabase

A basic dark colored holocrystalline igneous rock consisting essentially of a triclinic feldspar and pyroxene with magnetic iron often limited to rocks pretertiary in age It includes part of what was early called greenstone...

Diorite

An igneous crystalline in structure consisting essentially of a triclinic feldspar and hornblende It includes part of what was called greenstone...

Greenstone

A name formerly applied rather loosely to certain dark colored igneous rocks including diorite diabase etc...

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