ES Unit 8 Test

A solid of one mineral or a combination of minerals in Earth's crust

• rock
• lithosphere
• reserve

The combination of Earth's crust and rigid outermost part of the mantle

• rock
• lithosphere
• reserve

The supply of nonrenewable mineral resource that is economically feasible for extraction

• rock
• lithosphere
• reserve

Type of mining in which terraces are cut into the side of a slope

• strip mining
• overburden
• smelting

The soil and rock removed from a surface mine before minerals are extracted

• strip mining
• overburden
• smelting

A process in which ores are heated to release metals

• strip mining
• overburden
• smelting

One of a group of minerals with unique properties that lend themselves to use in technology products

• rare earth metal
• continental drift
• asthenosphere

The slow movement of continents across Earth's surface

• rare earth metal
• continental drift
• asthenosphere

The layer of Earth beneath the lithosphere in which convection currents flow

• rare earth metal
• continental drift
• asthenosphere

Ore is a rock that contains a large enough concentration of a particular mineral- often a metal- to make it profitable for mining.

• True
• False