Rocks and Minerals Exam Review Earth Science Regents

Intrusive igneous rocks are characterized by coarse-grained texture because they contain

• heavy elements.

• small crystals.

• large crystals.

• fragments of different sizes and shapes.

light-colored igneous rocks and generally part of the

• basalt family.

• intermediate family.

• felsic family.

• mafic family.

Sedimentary rock formed from rock fragments is called

• organic.

• chemical.

• clastic.

• granite.

One example of crystalline sedimentary rock is

• an evaporate.

• coal.

• sandstone.

• breccia.

A rock that contains a fossil is most likely

• igneous.

• sedimentary.

• metamorphic.

• felsic.

The large, well-developed crystals found in some samples of granite are a sign that

• the magma from which it formed cooled rapidly, on Earth's surface

• the magma contained a lot of dissolved gases.

• the magma from which it formed cooled slowly, below Earth's surface

• water deposited minerals in the rock cavities.

How does coal differ from breccia?

• Coal is an example of sedimentary rock, and breccia is an example of metamorphic rock.

• Coal is an example of metamorphic rock, and breccia is an example of igneous rock.

• Coal is an example of bioclastic rock, and breccia is an example of clastic rock.

• Coal is an example of clastic rock, and breccia is an example of a conglomerate.

Which term describes the metamorphic rock texture in which minerals are arranged in bands?

• stratification

• cementation

• foliation

• precipitation

What occurs when hear from nearby magma causes changes in the surrounding rocks?

• contact metamorphism

• fluid metamorphism

• intrusive metamorphism

• regional metamorphism

Igneous rock that cools very quickly when it forms has a texture that is _____.

• smooth and shiny with no visible grain

• multicolored and banded

• coarse grained

• made up of jagged grains