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India
Zawar Mine

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 Location:
0 km NW from Zawar, India

  Address:
Yashad Bhawan
Udaipur
India
313004
Phone  ...  Subscription required
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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
  • Longhole open stoping
  • Paste backfill
  • Backfill
Processing
  • Flotation
Mine Life4.8 years (as of Jan 1, 2018)
Latest NewsGHH India’s contract mining arm wins plaudits for work with Hindustan Zinc.     July 20, 2021


Owners

Source: p. 6
CompanyInterestOwnership
Government of India 29.5 % Indirect
Vedanta Resources plc. 42.31 % Indirect
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).

Deposit Type

  • Stratabound (SMS)
  • Vein / narrow vein
  • Sediment-hosted


Summary:

The four deposits at Zawar Group are hosted by low grade metamorphosed sediments consisting of greywackes, phyllites, dolomites and quartzites that unconformably overlay the Pre-Cambrian basement. The lead-zinc-pyrite mineralisation is strata bound and occurs as vein-stringers reflecting the high level of fractures within the more competent dolomites. There are multiple ore bodies that are complex in some areas as the lenses split and enclose waste rock. The ore bodies are steeply dipping.


Mining Methods

  • Blast Hole Stoping
  • Longhole open stoping
  • Paste backfill
  • Backfill


Summary:

Zawar consists of four mines namely, Mochia, Balaria, Zawar Mala and Baroi.

Zawar group of mines are located about 40 kilometres south of Udaipur, in the state of Rajasthan in India. Zawar is very well connected with roads. Power requirement is adequately sourced from its 80 MW coal based captive thermal power plant.

Lead –Zinc ore is divided into stope blocks which are drilled and blasted using long hole open stoping mining method. Ore is either crushed to underground or at surface to feed mill. A backfill and a paste fill plants were recently completed to use tailings from ore beneficiation plants. The mine also has a dry stack tailing plant, the first of its kind in India.


Crushing and Grinding


Processing

  • Flotation

Source: Subscription required

Summary:

Ore processing is carried out in a conventional comminution and flotation plant having facility for “differential” as well as “bulk flotation” of zinc and lead metals. The ore is crushed primarily underground and then hoisted to the surface. Thereafter, the ore is crushed to 12 to 15mm in size before being milled to 74 microns. In the differential flotation process, milled ore is conveyed separately to two lead flotation circuits and undergoes a process incorporating roughing, scavenging and cleaning. Lead flotation tails proceed to two zinc flotation circuits comprising roughing, scavenging and cleaning. Zinc flotation tails are disposed in slurry form in designated tailings disposal area. Lead and zinc concentrates are thickened, filtered and then stored before they are sent to HZL’s smelters. In the bulk flotation process, milled ore is conveyed to the flotation circuit and undergoes a process incorporating roughing, scavenging and cleaning. Final bulk concentrate is thickened, filt ........

Recoveries & Grades:

CommodityParameter2021202020192018201720162015
Zinc Head Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required2.52.732.82.8
Lead Head Grade, %  ......  Subscription required  ......  Subscription required  ......  Subscription required22.122.11.7
Zinc Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required80.190.290.490.3
Lead Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required77.190.590.489.8

Production:

CommodityProductUnits2021202020192018201720162015
Zinc Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required88857360
Zinc Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required513.43.4
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
Lead / Zinc Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Ore tonnes mined  ......  Subscription required  ......  Subscription required2,864,587 t2,176,111 t1,770 kt1,350 kt
Annual milling capacity  ......  Subscription required  ......  Subscription required4.7 Mt2.7 Mt
Tonnes milled  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at March 31, 2021:

CategoryTonnage CommodityGrade
Proven & Probable 31.5 Mt Zinc 3.1 %
Proven & Probable 31.5 Mt Lead 1.6 %
Proven & Probable 31.5 Mt Silver 23 g/t
Measured & Indicated 35.9 Mt Zinc 3.8 %
Measured & Indicated 35.9 Mt Lead 2 %
Measured & Indicated 35.9 Mt Silver 28 g/t
Inferred 75.2 Mt Zinc 4.2 %
Inferred 75.2 Mt Lead 2.5 %
Inferred 75.2 Mt Silver 40 g/t


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 20, 2021
....................... Subscription required ....................... Subscription required Subscription required Sep 20, 2021
....................... Subscription required ....................... Subscription required Subscription required Sep 20, 2021
....................... Subscription required ....................... Subscription required Subscription required Sep 20, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2018
Annual Review 2018
Annual Report 2017
Annual Review 2017
Annual Review 2016
Annual Report 2015
Annual Review 2013
Subscription required - Subscription is required.

News:

NewsDate
GHH India’s contract mining arm wins plaudits for work with Hindustan Zinc. July 20, 2021

Aerial view:

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