A Brief history of Mining

What was the General Mining Act of 1872?

• Law of the land

• The controlling law concerning mining activities

• Nothing important

What minerals were valued among some tribes?

• 
• 
• 
• 

How old are the first stone tools?

• 2.6 million years old

• 1 million years old

• 1,8 million years old

• It's hard question...

What has become one of the greatest technological breakthroughs in mining?

• Minecraft release

• The invention of fire

• Invention of the wheel

• The application of fire to mined

What raw material allowed for the production of bronze 5,500 years ago?

• Diamond

• Zinc

• Tin

• Graphite

When miners take lands, they had to donate some of the mining income to the poor.

• True

• False

• Nevermind

Mining contributed to the development of electronics.

• True

• False

• Who cares?

Heavy metals are mainly used to build green energy resources.

• True

• False

• Who asked?