Types of Mining

There are ____ different types of mining.

It is cheaper and easier to extract minerals underground.

• True

• False

Quarrying is ____ rock and stone from the ______

• extracting / underground

• finding / underground

• extracting / surface

Tags

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RL.6.4

CCSS.RL.7.4

Open cast and quarrying is extracting minerals from the ______

Tags

CCSS.RI.6.3

CCSS.RI.6.5

CCSS.RI.7.3

CCSS.RI.7.5

CCSS.RI.8.3

Quarrying and open cast don't share the same methods of mining.

• True

• False

The first step in surface mining is to:

• use diggers to remove the loose rock / mineral.

• clear vegetation and remove the soil.

• break up and loosen the rock / mineral layer by using explosives.

• load the rock / mineral onto trucks and take it away.

What is the first stage in searching for minerals underground?

• blast everything

• consider the costs of mining

• ask the community for their opinion

• careful geological survey

The survey provides information about:

• depth

• position

• amount of minerals

• all of them

Which type of mining is more dangerous?

Mention some of the dangers of deep mining