Resource Exploitation:Mining

By |2022-09-15T12:35:34+02:00February 28th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Open cast mining. Image credit mutapamining.com

ZIMSEC O Level Geography Notes:Resource Exploitation:Mining: Types of Mining

OPEN CAST AND STRIPPING (SURFACE METHODS)

  • The open cast method is used when mineral deposits occur in horizontal seams which are near the surface not more than 50 meters deep.
  • This method involves blasting which is carried […]

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