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Mineral and Power Resources — Social Studies STD 8 — Question

CBSE BoardEnglish MediumSTD 8Social StudiesMineral and Power Resources2 Marks
Question
Describe the types of mining.
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Answer

There are two types of mining:
(i) Open cast mining, (ii) Shaft mining
  1. Open cast mining: Minerals which lie at shallow depths are taken out by removing the surface layer.
  2. Shaft mining: Deep bores called shafts, are made to reach minerals deposits that lie at great depth.

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