Mining

Environmental Effects

100

a Highwall

What is a highly erodible bank of soil and rock formed by contour strip mining?

200

Spoils Banks

What is series of rubble hills left by area strip mining?

300

Spoils

What is waste materials from mining?

400

Overburden

What is soil and rocky overlying a useful mineral deposit?

500

Gangue

What is waste material removed from ore?

Type of Mining

100

Area Strip Mining

What is earthmovers removing overburden and power shovels removing mineral deposit?

200

Open-Pit Mining

What is machines digging holes and removing ores?

300

Subsurface Mining

What is deep vertical shafts dug to reach underground deposits that are then removed with machinery?

400

Contour Strip Mining?

What is terraces cut into hills to strip mine coal?

500

Mountain-Top Removal

What is machines used to expose tops of mountains and coal removed?

Acronyms

100

MSHA

What is Mine Safety Health Administration?

200

ASMI

What is Arizona State Mine Inspector?

300

WWBS

What is "What would Bill Say?"

400

ALARA

What is "As Long As Resonably Achievable?"

500

RCRA

What is Resource Conservation and Recovery Act ?

Controversies

100

Would cost taxpayers $70 billion

What is mining site cleanup?

200

Depletion Time

What is time needed to use up 80% of a nonrenewable resource?

300

Economic Depletion

What is costing more than a mineral is worth to find, extract, and process a material?

400

Subsidies

What is government funding provided to mining companies to enable lower consumer prices?

500

Manganese, Cobalt, Chromium, and Platinum

What are the strategic metal resources?

Other

100

Sand

What is used to make glass, bricks, and concrete?

200

Mineral Resource

What is a concentration of naturally occuring material from the earth's crust that can be extracted and processed at an affordable cost?

300

Subsidence

What is collapse of land above underground mines?

400

Acid Mine Drainage

What is rainwater seeping through mine waste piles carries sulfuric acid to groundwater?

500

Smelting

What is heating ores to release metals?