Rocks and Minerals Classification

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What is the primary composition of limestone?

Silicon dioxide (SiO2)

Aluminum oxide (Al2O3)

Iron oxide (FeO)

Calcium carbonate (CaCO3) (correct)

Which type of rock is formed below or on the earth's surface under intense heat and pressure when magma cools and hardens?

Igneous rock (correct)

Metamorphic rock

Sedimentary rock

Foliated rock

What is the process by which sediments are transported to downstream, downwind, downhill, or underwater sites?

Compaction

Deposition

Weathering and erosion

Transportation (correct)

What is the result of the increasing weight and pressure on underlying sedimentary layers?

Conversion of sedimentary layers to rock Signup and view all the answers

Which type of rock is formed from the compacted remains of dead aquatic organisms?

Limestone Signup and view all the answers

What is the bulk of the earth's crust primarily composed of?

Igneous rock Signup and view all the answers

What is the primary process responsible for forming metamorphic rock?

High temperatures and pressures Signup and view all the answers

What is the term for the process of changing the Earth's rocks from one type to another?

Rock cycle Signup and view all the answers

What is the result of the rock cycle process?

Formation of sedimentary, igneous, and metamorphic rocks Signup and view all the answers

What is the term for rock that contains a large enough concentration of a particular mineral to make it profitable for mining and processing?

Ore Signup and view all the answers

What is the role of the rock cycle in the formation of concentrated deposits of nonrenewable mineral resources?

It plays a major role Signup and view all the answers

What is the time scale of the rock cycle process?

Millions of years Signup and view all the answers

What is the primary driver of convection cells in the Earth's mantle?

Tremendous heat within the core and mantle Signup and view all the answers

What is the term for the molten rock that flows upward into the crust from the asthenosphere?

Magma Signup and view all the answers

What is the combination of the crust and the rigid, outermost part of the mantle called?

Lithosphere Signup and view all the answers

What is the definition of a mineral?

A naturally occurring chemical element or inorganic compound that exists as a solid Signup and view all the answers

Why are minerals considered nonrenewable resources?

Because they take millions of years to form Signup and view all the answers

What is the definition of a rock?

A solid combination of one or more minerals found in the earth's crust Signup and view all the answers