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4-2.5 bya
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mineral rich
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precambrian rocks Geological Scale
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basal complex of india
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oldest rock system of the world
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also known as ==CRATONS==
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composed of mettallic mineral ores
- Al
- Fe
- Zn
- Ag
- Au
- Ni
- Co
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Igneous
- granite
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gneiss
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schist
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Presence of following minerals:
Prelims Tip
Check the website before prelims to see any updated data
Data is sourced from Indian Bureau of Mines, monthly statistics report