Exam 22: Minerals, Rocks, and Volcanoes

New rocks that have had their original form altered by heat and pressure, but without melting, are classified as

Orthoclase and plagioclase are the two major types of ______________.

The study of planet Earth is known as

James Hutton formulated the concept of

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

Regional metamorphism causes a parallel arrangement of mineral grains that results in a pronounced layering of the rock. The layering is known as ______________.

What is the hardness of fluorite on the Mohs scale?

What is the hardness of talc on the Mohs scale?

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

Magma viscosity depends on the ______________ content and the temperature of the magma.

A common scale for denoting a mineral's hardness is the

Dripstone formations that form on cavern floors are called ______________.

Dikes are examples of ______________ plutons.

Igneous rock that formed on Earth's surface by solidification of lava is known as

Which of the following volcanoes is in the United States?

The asthenosphere is the region of Earth directly below the ______________.

Silicates

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

A mineral that has a vitreous luster looks

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