| Grade-wise Reserves/Resources of perlite in Gujarat (As on 01.04.2010) | |||||||||
| (In `000 Tonnes) | |||||||||
| Grades/States | Reserves | Remaining Resources | Total Resources (A+B) | ||||||
| Proved STD111 | Probable | Total (A) | Pre-Feasibility | Reconna-issance STD334 | Total (B) | ||||
| STD121 | STD122 | STD221 | STD222 | ||||||
| By Grades | |||||||||
| High | |||||||||
| Medium | |||||||||
| Low | |||||||||
| Unclassified | |||||||||
| By State | |||||||||
| Gujarat | |||||||||
| Total | |||||||||
| India | |||||||||
