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India
Sindesar Khurd Mine

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 Location:
3.5 km SE from Relmangra, India

  Address:
Yashad Bhawan
Udaipur
India
313004
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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Zinc
  • Lead
  • Silver
Mining Method
  • Blast Hole Stoping
  • Paste backfill
  • Hydraulic backfill
Production Start...
Mine Life2029


Owners

Source: p. 7,78
CompanyInterestOwnership
Government of India 29.5 % Indirect
Vedanta Resources plc. 45.23 % Indirect
Ownership Tree
Hindustan Zinc Limited (HZL) owns and operates a fully integrated zinc-lead business. HZL is one of the world's largest integrated zinc-lead producer by volume. Vedanta Limited, an India-listed susidiary of Vedanta Resources Limited, owns 64.9% of the share capital of HZL, while the Government of India remains an equity partner and holds a 29.5% stake. HZL is listed on Indian stock exchanges (NSE and BSE).

Contractors

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Deposit Type

  • SEDEX


Summary:

Sindesar Khurd deposit is in the central part of the eastern limb of the major Dariba-Bethumni synformal fold and the Sindesar Khurd Mine is in the central part of the eastern limb of the fold. The best exposed rock unit in the area is interbedded mica-schist / chert / quartzite and forms a prominent NNE-SSW trending ridge. This is a lenticular orebody with multiple lenses surrounding the main orebody. The economic concentrations of lead-zinc-silver mineralisation are hosted by calc-silicate bearing dolomite and graphite mica schist. The host rock is completely concealed about 100 below the surface. The economic concentrations of lead-zinc-silver mineralisation are hosted by calc silicate bearing dolomite and graphite mica schist. The host rock is completely concealed about 100 below the above unit. The rock types of the area as follows:
- Quartz Mica Schist with bands of chert/quartzite;
- Graphite Mica Schist with Fe-Pb-Zn sulphides;
- Calcareous Garnet Biotite Schist with dolomite;
- Calc Silicate Bearing Dolomite with Fe-Pb-Zn sulphides;
- Calcareous Quartz Biotite Schist;
- Basement Rock (Feldspathoid schist/gneisses).

Base metal deposits of various sizes and grades occur throughout the belt in calc-silicate bearing dolomite and graphite mica schist horizons, the latter in general containing low grade disseminated sulphides of large volumes. At the south end of the belt, contains multi-metallic sulpho-salt association.

........


Mining Methods

  • Blast Hole Stoping
  • Paste backfill
  • Hydraulic backfill


Summary:

The deposit is concealed 100m below the surface and thus amenable to underground mining only.

Due to shallow depth of deposit and low cost of production with decline mining by trackless operations, it was decided to open North decline/ramp for ore production with secondary access via incline. Further, with expansion of mining operation, south decline/ramp was developed to add to ore production capacity.

Development and Stoping method
The Ramps are connected with Levels by development of an access cross-cut and footwall drives of size 5.5m X 5.0m. In a mining block, footwall drives are developed at all levels in the block. The stopes at levels shall be connected through footwall drives with access crosscuts. Slot X-cut shall be developed at the widest section of the orebody. Number of ore drives for production drilling shall be excavated along the strike depending on the width of the orebody. Stoping is done by blasthole Stoping method. In the blasthole stoping method, slot is opened at the widest portion of orebody and rings are retreated towards the end of the stope. The muck is then withdrawn at extraction level through LHDs and then directly loaded in to mine trucks for hauling through ramps from underground to surface stock yard. From stock yard, ore is fed to the primary crusher using surface dumpers through haul road after sizing with hydraulic breakers.

Mining will be done using trackless operations up to -55mRL level using both ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityProductUnits2022202120202019201820172016
Zinc Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required359258201
Zinc Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required327231177
Lead Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Metal in concentrate koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required5,310,794 t4,500,000 t3,665 kt
Annual milling capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required6.2 Mt2.8 Mt
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required5.13 Mt4.51 Mt3.38 Mt
Annual mining capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required4.5 kt3.75 Mt
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Reserves at March 31, 2022:
COG for SKM is 2.17% ZnEq for the Main orebody and 2.22% ZnEq for the Satellite orebodies.

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 45.4 Mt Zinc 3 % 1,376 kt
Proven & Probable 45.4 Mt Lead 2 % 889 kt
Proven & Probable 45.4 Mt Silver 100 g/t 145,995 koz
Measured & Indicated 43.8 Mt Zinc 4 % 1,757 kt
Measured & Indicated 43.8 Mt Lead 2.2 % 970 kt
Measured & Indicated 43.8 Mt Silver 111 g/t 156,713 koz
Inferred 15.5 Mt Zinc 3.4 % 530 kt
Inferred 15.5 Mt Lead 1.9 % 292 kt
Inferred 15.5 Mt Silver 96 g/t 47,759 koz
Total Resource 59.3 Mt Zinc 3.9 % 2,287 kt
Total Resource 59.3 Mt Lead 2.1 % 1,261 kt
Total Resource 59.3 Mt Silver 107 g/t 204,472 koz



Heavy Mobile Equipment as of July 20, 2022:
HME TypeModelSizeQuantityStatus
Cable bolter ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Drill (long hole) ....................... Subscription required 98 HP ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Drill (long hole) ....................... Subscription required 125 HP ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Drill (long hole) ....................... Subscription required 161 HP ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Drill jumbo (single boom) ....................... Subscription required 94 HP ....................... Subscription required Existing
Drill jumbo (two boom) ....................... Subscription required 181 HP ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Grader ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Load-Haul-Dump (LHD) ....................... Subscription required 10 t ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Load-Haul-Dump (LHD) ....................... Subscription required 17 t ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Load-Haul-Dump (LHD) ....................... Subscription required 21 t ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Personnel Carrier ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Truck (underground) ....................... Subscription required 50 t ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Truck (underground) ....................... Subscription required 63 t ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Truck (underground) ....................... Subscription required 65 t ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 7, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 7, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 7, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 7, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Integrated Report 2022
Other 2022
Other 2022
Technical Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2018
Annual Review 2018
Annual Report 2017
Annual Review 2017
Other 2017
Annual Review 2016
Annual Report 2015
Annual Review 2013
Subscription required - Subscription is required.

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