Eath sci - Ores and mining

These are naturally-occurring

materials that can be profitably mined.

ores

Profitability determines an ________

ore’s value

It refers to a set of processes in which useful resources are withdrawn from a stock of any nonrenewable resources.

mining

2 types of mining

1 surface mining

2 underground mining

used to extract minerals near the surface of the earth

surface mining

a type of mining where the soil and rocks that covered ores are removed by blasting

surface mining

controlled use of explosives and gas

exposure to break rocks.

blasting

most common type of surface mining

open-pit mining

It is used to mine

gravel and sand and even rock.

open-pit mining

This mining type involves the

removal of a thin strip of overburden (earth

or soil)

strip mining

process of mining materials from the bottom of a body of water

dredging

extract the rocks, minerals, and other precious stones that can be found beneath the earth’s surface

underground mining

type of mining where miner needs to create a tunnel in order to reach the ore minerals

underground mining

kind of mining that is more expensive and dangerous because miners needs to use explosive devices

underground mining

A way of minimizing the impacts of mineral

extraction.

Natural Resource Management

Refers to the management of natural

resources with a particular focus on how

management affects the quality of both

present and future generation.

natural resource management