Exam 22: Minerals Rocks and Volcanoes

Which of the following is not one of the three basic types of materials emitted when a volcano erupts?

A general name for an intrusive igneous rock formation is ______________.

Which of the following is not a volcano or the result thereof?

The term cleavage refers to the tendency of some minerals to

Stalagmites are

Underground molten rock material is known as ______________.

Which of the following is not a metamorphic rock?

Rocks that formed from the cooling of molten material are classified as

Metamorphism occurs for which class of rocks?

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

Laccoliths and sills are examples of ______________ plutons.

The fundamental silicon-oxygen compound is silicon dioxide, which is also called _____________.

Dripstone formations that form on cavern ceilings are called _____________.

The element that is the second most abundant in Earth's crust is

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

The sedimentary rock known as ______________ consists of deposits of calcium carbonate (calcite).

A mineral that has a vitreous luster looks

The saying "The present is the key to the past" is a simple way to state the basic geologic concept called ______________.

The most abundant rocks in Earth's crust are the

Dikes are examples of ______________ plutons.