7.1 Mineral Resources

A naturally occurring, inorganic solid with definite chemical structure.

• mineral

• rock

• ore

• coal

A natural material in which a metal or valuable metal can be profitably extracted.

• gemstone

• ore

• rock

• mineral

Minerals that can exist in Earth's crust as nuggets of pure metal.

• native element

• gemstone

• rock

• ore

All of these can appear as native elements in Earth's crust. (more than one possible answer)

• gold

• silver

• sodium

• copper

Minerals can form from what processes? (more than one possible answer)

• cooling magma

• contact metamorphism

• regional metamorphism

• moving water

As magma cools, _________________ minerals sink to the bottom of a magma chamber and form deposits.

• high density

• low density

• hard

• soft

A(n) _____________ forms when very hot water dissolves minerals from rock and transports them into cracks where the minerals precipitate out.

• vein

• ore

• lane

A mineral deposit within a rock formation.

• lode

• rock

• crack

• road

What event occurred in the 1840's that lead many people to thead west in hopes of finding the "mother lode?"

• California Gold Rush

• The Great Depression

• The Dust Bowl

• Oregon Silver Rush

A large collection of mineral deposits in a stream.

• placer deposit

• vein

• lode

• ore