Copper - sources and link to physical geography.

Question 1

What are the two types of copper deposits?

Answer 1

Porphyry deposits
Sediment deposits

Question 2

Outline Porphyry deposits?

Answer 2

Associated with igneous rocks
Formed at continental plates boundaries
forced up through cracks in the rocks
cools. Copper compounds are left.

Question 3

What factors determine whether copper is extracted or not?

Answer 3

Richness of reserve
location
extent of reserve

Question 4

By how much has copper production increased globally per year since 1900?

Answer 4

3%!!!!!

Question 5

What is deep mining?

Answer 5

Rocks broken up via explosives under ground and taken up to the surface.

Question 6

What are the +/- to deep mining?

Answer 6

Uses less surface area
Up to 10x more expensive than open pit mining.

Question 7

What is open pit mining?

Answer 7

Surface material removed before ore is extracted layer by layer.

fairly cheap. Little infrastructure required.

Question 8

Why is copper a ‘green mineral’

Answer 8

A key mineral used in renewable energy resources e.g solar panels.

Question 9

What has the COP 28 agreements shown?

Answer 9

We still need mining to build sustainable energy sources.