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India : Location, Geologial Structure and Physiography-Il — Social Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9Social ScienceIndia : Location, Geologial Structure and Physiography-Il2 Marks
Question
Classify the minerals.
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Answer

  • General classification of minerals is as follows
  • 1. Metallic minerals
  • (i) Precious metallic minerals: Gold, silver, platinum etc.
  • (ii) Lighter metallic minerals : Magnesium Bauxite titanium, etc.
  • (iii) Minerals of general use: Iron, copper lead, zinc, tin, nickel, etc.
  • (iv) Minerals used as alloys: Chromium manganese, tungsten, vanadium, etc.
  • 2. Non-metallic minerals: Limestone, chalk, asbestos, mica, fluorspar, gypsum, sulphur, diamonds, etc.
  • 3. Energy resources : Coal, mineral oil, natural gas, uranium, thorium, etc.

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