Exam 22: Minerals, rocks, and Volcanoes

The brilliancy of a gem is a function of its

The theory that Earth's lithospheric plates are in constant,slow motion is called plate ______________.

Dripstone formations that form on cavern ceilings are called ______________.

The sedimentary rock known as ______________ consists of angular pebbles cemented together by silica,calcium carbonate,or iron oxide.

Another name applied to the grain size in a rock is

The study of minerals is called

Igneous rock that formed below Earth's surface by solidification of magma is known as

The sedimentary rock known as ______________ consists of rounded pebbles cemented together by silica,calcium carbonate,or iron oxide.

A set of ten minerals used as reference standards in determining hardness is called the______________ hardness scale.

Molten rock material beneath Earth's surface is called

Which of the following volcanoes is in the United States?

Crater Lake,atop Mount Mazama in Oregon,occupies a volcanic

Which of the following rocks is a sedimentary rock?

The interrelationship among the processes that produce the three classes of rock is referred to as

Four kinds of metamorphism are

The study of planet Earth is known as

Stratification,or ______________,is the layering that develops at the time sediments are deposited.

The two elements silicon and oxygen,taken together,make up about what percent of Earth's crust by mass?

A(n)______________ is any mineral or other precious or semiprecious stone valued for its beauty.

Which of the following scientists is generally designated "the father of geology"?