alleryAlluvial mineral deposits in valley sands are called:
APackage deposits
BPlacer deposits
CPlateau deposits
DPassage deposits
Answer & Solution
Correct answer: B. Placer deposits
1. Some minerals collect in the sands of valley floors and the base of hills.
2. These are called placer deposits.
3. They contain minerals that are not corroded by water, such as gold, silver, tin and platinum.
_Source: syllabus Social Science, 'Contemporary India II', Ch 5 'Minerals and Energy Resources'_
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