Blog
  1. Home
  2. difference between open pit mining and underground mining kenya

difference between open pit mining and underground mining kenya

2012-3-20If the excavation used for mining is entirely open or operated from the surfaceit is termed asurfacemine.If the . By the New Stone Agehumans had progressed to underground mining in systematic openings 2 to 3 ft 0.6 to 0.9 m in height and more than 30 ft 9m in depth Stoces1954. Howeverthe oldest known underground.

Get Price ListChat Online

Latest Blog