Question

Rocks which have a heavy concentration of a metallic mineral is known as​

Answer 1

Answer:

Placer deposits are heavy metallic minerals, such as iron or titanium minerals, or native gold or diamonds, that have been concentrated by wave or water action in a river or beach environment.

Elements: Lead; Gold; Copper; Iron; Magnesium...

Explanation:

Answer 2

Answer:

placer deposits are heavy metallic minerals ,such as iron or titanium minerals, or native gold or diamonds, that have been concentrated by wave or water action in a river or beach environment

elements:lead; gold; copper; iron;magnesium...