What was the main purpose of the Reko Diq mining project initiated in Balochistan?

1. Oil exploration
2. Gold and copper extraction
3. Coal mining
4. Diamond mining

The main purpose of the Reko Diq mining project which initiated in Balochistan is Gold and copper extraction.

Reko Diq is known to contain significant deposits of gold and copper, making it a major mining project focused on these precious metals.