metamorphic rock

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Rock that was once one form of rock but has changed to another under the influence of heat, pressure, or some other agent without passing through a liquid phase.

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notes for metamorphic rock

Examples are marble, which can be formed from limestone, and slate, which is formed from shale.

Words nearby metamorphic rock

metameric, metamerism, metamict, metamorphic, metamorphic facies, metamorphic rock, metamorphism, metamorphose, Metamorphoses, metamorphosis, metamorphous

How to use metamorphic rock in a sentence

A very large proportion of both the quartz and placer mining of North America is in regions occupied by metamorphic rock.
North America|Israel C. Russell
In many cases, however, the early history of a metamorphic rock can be deciphered.
The Elements of Geology|William Harmon Norton
It is a metamorphic rock derived from either sedimentary or igneous rock, more commonly the former.
Geology|William J. Miller
According to this view, the superposition of chalk does not prevent the subjacent metamorphic rock from being Eocene.
A Manual of Elementary Geology|Charles Lyell.

Mī′ca-schist, Mī′ca-slate, a metamorphic rock consisting of alternate layers of mica and quartz.
Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)|Various