alleryStart learning →Where do alluvial placer deposits of gold and platinum usually occur?
AIn sands of valley floors
BIn deep ocean beds
CInside coal seams
DWithin volcanic cracks
Answer & Solution
Correct answer: A. In sands of valley floors
Heavy minerals that water does not corrode settle in river sands on valley floors and at the base of hills.
Keep practising Geography: Minerals and Energy Resources
Browse all Geography: Minerals and Energy Resources questions for CBSE Class 10, or explore more Social Science topics.
Related questions
Most of the energy used in rural households comes from firewood and what other fuel?Which resources does India have in abundance for renewable energy?What would large solar power plants reduce rural dependence on?Coal forms from which material?Plastics used in toothbrushes and paste tubes are made from which source?What gives the sparkle in some toothpastes?Titanium oxide, which whitens toothpaste, comes from which minerals?Which mineral supplies fluoride that reduces cavities in toothpaste?