Hutti Gold Mines at Glance

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Location District Raichur, Karnataka.
Distance

80 km West of Raichur.
480 km North of Bengaluru.
300 km Southwest of Hyderabad.

Railway Station Raichur, South Central Railway - 80 kms
Mining History

(a) Ancient Mining 2000 years old (Pre Ashokan Times).
(b) Modern Mining - Main Mine during Nizams period. (1902-1918).
(c) Modern Mining - Rediscovery of Parallel Lodes and mining from 1947 onwards.

Present Mine Depth Below 28th level, 933.70 meters.
Nature of the Deposit Archaean lode gold deposit. Shear zones controlled Gold-Quartz-Sulphide mineralisation.
Ore Mined and Gold Produced so far from Hutti Mines. Ore (Million Tonnes) Grade (gm/Tonne) Total Gold (Tonnes)
1. Ore already Mined in the Main Mine(During the period 1902 to 1918) 0.38 19.49 7.41
2. Ore Mines so far from 1948 0nwards in the present mined on the other parallel lodes up to 871 m depth on 31.03.2019. 16.55 4.97 82.18
Total ore mined and gold produced as on 31.03.2019 16.93 5.29 89.59
Ore reserves estimated as on 01.04.2019 (Hutti)
Proved & Probable Category up to depth of 842 m @ 2.0 g/t cut off 16.30 4.41 71.88
Present scale of production
Total for Hutti Gold Mines Company Limited 8.0 Lakhs Tonnes per Annum

Hutti Mine is the main underground Gold Mine of the Hutti Gold Mines Company Limited. There are nine parallel gold bearing reefs exposed on the surface. Active mining is being carried out in six lodes over a strike length of around 1.3 Km. The parallel lodes have a general strike of NNW-SSE & dips ranging from 60° to 70° due West. Width of the reefs varies from 2.5 m to as wide as 50 m at some places, the average width being 5 to 8 m.