Significados de metamorphic rock en inglés

Long sheets of metamorphic rock that have been sheared in two.

In many cases, however, the early history of a metamorphic rock can be deciphered.

There are 3 specific kinds of metamorphic rock in N.Y.C.

They are of quartzite, lava, greenstone, metamorphic rock and basalt.

There is no igneous, no metamorphic rock here; nothing but limestone of the Jurassic formation.

Stone hatchets rather well formed with blunt poll, distinct annular groove, and tapering blade; chiefly of basalt, three of metamorphic rock.

Stone and the other two hacked their way up a mountainside of hard, metamorphic rock until they found a strip of limestone.

The three-billion-year-old, razor-sharp Lewisian gneiss on the isles of Lewis and Pabbay is some of the oldest metamorphic rock on the planet.

It measures some 8' 6" x 4' 6" x 4' 0" and reposes upon two slightly jutting points of the underlying metamorphic rock.

These few examples must suffice of the great class of metamorphic rocks.

So again the making out of cleavage and the foliation of the metamorphic rocks.

There is also a class of rocks, called metamorphic rocks, including some kinds of marble.

Why do metamorphic rocks appear on the surface to-day?

Anthracite coal occurs in folded and metamorphic rocks.

How do the Triassic sandstones and shales compare in hardness with the igneous and metamorphic rocks about them?

The and sands and limy oozes now changed to gneisses, schists, marbles, quartzites, slates, and other metamorphic rocks.