In which one of the following districts, have large reserves of diamond-bearing kimberlite been discovered in the recent past?
- AHoshangabad
- BRaipurCorrect
- CSambalpur
- DWarangal
Explanation
Raipur is the correct answer because large reserves of diamond-bearing kimberlite pipes were discovered in the Raipur district of Chhattisgarh, specifically in the Behradih and Payalikhand areas. These discoveries were part of extensive geological surveys conducted by the Directorate of Geology and Mining and various private companies. While India has a few known diamond tracts, the Raipur region is recognized as one of the most significant potential diamond hubs outside of the traditional Panna mines in Madhya Pradesh. This discovery placed Chhattisgarh on the map as a key location for precious mineral exploration in India.

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