Rock - Law Dictionary Search Results

Phonolite

A compact feldspathic igneous rock containing nephelite hauumlynite etc Thin slabs give a ringing sound

A dark green igneous rock consisting largely of chrysolite with hornblende augite biotite etc

and America Called also calling hare and crying hare and rock rabbit See Chief hare

Having the arris defined by a line beyond which the rock is cut away so as to give nearly true edges

A rock with a porphyritic structure as augite porphyrite

the other it is driven into the face of a rock cliff during climbing and used as an anchor point for

Sharp having a sharp point as a pointed rock

A term used somewhat loosely to designate a rock consisting of a fine grained base usually feldspathic through which

A circular hole formed in the rocky beds of rivers by the grinding action of stones or

A rock consisting essentially of pyroxene