22 facts.com

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
You are here: Home » M » Mining

Mining Facts

The process of extraction of valuable minerals or other geological materials from the earth

  • Mining of stone and metals existed in pre-historical times.
  • Ancient Egyptians mined malachite and used it for pottery and ornaments.
  • Romans popularized large-scale mining and the use of water to clean mineheads.
  • Canada is one of the largest mining nations in the world, producing more than 60 minerals and metals.
  • Canada ranks first in the world for the production of potash and uranium.
  • US has the world's largest reserve of coal that is sufficient for about 200 years.
  • Coal generates half of US's electricity needs.
  • Gold legally became money in China in 1091 BC.
  • Uranium mining has exposed more workers to radiation than any other industry.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


Comments





Contact Us | Privacy Policy
© 2011-2016 All rights reserved.