| Mineral Exploration & Development (Lead & Zinc) by Mineral Exploration Corporation Limited in India (1986-87 & 1989-90) | ||
| Particulars | 1986-87 | 1989-90 |
| Area/Name of Deposit | Zangamarajupalli | Devpura |
| State | Andhra Pradesh | Rajasthan |
| State | Cuddapah | Bhilwara |
| Mapping Area (Sq. km.) | ||
| Pitting/Trenching | ||
| Sampling : No. of Samples Collected & Analysed | ||
| Drilling : No. of Boreholes | ||
| Metreage Drilled | ||
| Development | ||
| Shaft Sinking (Metre) | ||
| Levels (Metre) | ||
| Raises/Winzes | ||
| Portal Making (Cubic Metre) | ||
| Reserves estimated (In Million Tonne) | ||
| Proved | ||
| Probable | ||
| Possible | ||
| Grade (% of metal content) | ||
| Average gr. (%) | ||
| Cut-off-gr. (%) | ||
