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India
Sindesar Khurd Mine

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 Location:
3.5 km SE from Relmangra, India

  Regional Office:
Yashad Bhawan
Udaipur
India
313004
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Zinc
  • Lead
  • Silver
Mining Method
  • Blast Hole Stoping
  • Paste backfill
Processing
  • Flotation
Mine Life7.7 years (as of Jan 1, 2018)


Owners

Source: p. 251
CompanyInterestOwnership
Government of India 29.5 % Indirect
Vedanta Resources plc. 64.9 % Indirect
Hindustan Zinc Ltd. 100 % Direct
Vedanta Limited directly owns 64.9% of the share capital of HZL and has management control. The remainder of HZL’s share capital is owned by the Government of India (29.5%) and institutional and public shareholders and employees of HZL (5.6%).

Deposit Type

  • Sediment-hosted


Summary:

The Sindesar Khurd mine lies on the same geological belt as the Rajpura Dariba mine. The mine is approachable from Rajpura Dariba mines by road.

The mineralization has been traced over almost 2.5 kilometers along strike and 1.3 kilometre vertical extension. In the mine area, dip is steep westerly, while the dip turns into easterly direction in the lower-southern part of the deposit. The current mine block extends over 1,500 meters along strike and up to 420 meters depth extension.

The deposit has been drilled to a depth of approximately 1,300 meters below surface and the ore body is traced over approximately 2 kilometers along the strike with a 1,100 meters vertical extension. While the deposit is still open in depth in the southern extension of the present mine block, the area below the mine block and towards the north extension only has narrow and low to moderate grade mineralization intersected.


Mining Methods

  • Blast Hole Stoping
  • Paste backfill


Summary:

Mining: Sindesar Khurd has access to the mine through an inclined ramp. Mining method is blast hole open stoping with filling.

The current mine block extends over 1,500 metres along strike and up to 420 metres depth extension.


Crushing and Grinding


Processing

  • Flotation

Source: Subscription required

Summary:

Ore produced from the mine is treated at 2.0 mmtpa beneficiation plant commissioned in 2011 at Sindesar Khurd. Benefication plant has undergone debottlenecking in January 2015 to increase its capacity from 2 to 2.8 mtpa at Sindesar Khurd.

The ore is crushed at the surface and transported to the beneficiation plant for further crushing; milling; and flotation process. Lead and zinc concentrates are sent to their respective high rate thickeners installed separately for lead concentrate and zinc concentrate generated from the concentrator. Tailing dewatering and disposal section comprises of hydro cyclone, tailing thickener, neutralization tank, pumping of tailing to tailing pond and reclaimed water pumping. Lead and zinc concentrates are thickened, filtered and stored before they are sent to HZL’s smelters.

Recoveries & Grades:

CommodityParameter201920182017201620152014
Zinc Head Grade, % 3.753.943.853.93.63.5
Lead Head Grade, % 2.42.092.042.21.92.1
Zinc Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Concentrate Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Concentrate Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Production:

CommodityProductUnits201920182017201620152014
Zinc Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required258201144118
Zinc Concentrate t  ......  Subscription required  ......  Subscription required230,677176,761126,952105,562
Lead Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Concentrate t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics201920182017201620152014
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required2,970 kt1,910 kt1,723 kt
Annual milling capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required2.8 Mt
Annual mining capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required3 Mt
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required1,943 kt1,725 kt
Subscription required - Subscription is required.

Reserves at March 31, 2019:

CategoryTonnage CommodityGrade
Proven & Probable 32.5 Mt Zinc 4.1 %
Proven & Probable 32.5 Mt Lead 3.2 %
Proven & Probable 32.5 Mt Silver 171 g/t
Measured & Indicated 23.6 Mt Zinc 4.4 %
Measured & Indicated 23.6 Mt Lead 2.2 %
Measured & Indicated 23.6 Mt Silver 108 g/t
Inferred 57.5 Mt Zinc 3.6 %
Inferred 57.5 Mt Lead 1.9 %
Inferred 57.5 Mt Silver 89 g/t


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Feb 19, 2020
....................... Subscription required ....................... Subscription required Subscription required Feb 19, 2020
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2018
................................... Subscription required 2018
................................... Subscription required 2018
Annual Report 2017
Annual Review 2017
Other 2017
Annual Review 2016
Annual Report 2015
Annual Review 2013
Subscription required - Subscription is required.

Aerial view:

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