Exam 22: Minerals, rocks, and Volcanoes

The term ______________ refers to the tendency of some mineral to break along flat planes at definite angles.

Particles of sand,mud,and rock fragments deposited along rivers,in lakes,and on the seafloors are called by the general term ______________.

Sediments that are composed of solid fragments derived from preexisting rocks are called ______________ sediments.

Intrusive igneous rock formations that cut more or less vertically across older formations are said to be ______________.

Sediments are classified according to the source of their constituents into two main groups.One is chemical.What is the other?

The study of minerals is called ______________.

The largest plutons are called ______________.

Intrusive igneous rock formations that lie more or less parallel to older formations are said to be ______________.

Volcanoes are so numerous along the margins of the Pacific Ocean that the region has been dubbed the ______________.

Which of the following is not an igneous rock?