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India
Codli Mine (Goa Operation)

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 Location:
17 km NE from Margao, India

  Regional Office:
20 EDC Complex, Dr Alvaro Costa Rd, Patto Centre
Panaji
India
Goa 403001
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
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  • Filings & News

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Overview

StatusTemporary Suspension
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Processing
  • Wash plant
  • Dry Screening
  • Magnetic separation
Mine Life8.5 years (as of Jan 1, 2017)
The Codli group of mines is situated in South Goa. The Codli mines cover an area of approximately 340 hectares and are operated under the terms and conditions stipulated in four contiguous leases, three of which are owned by Vedanta Limited with the remaining lease being owned by a third-party.

Goa operations remain suspended due to state- wide directive from the Hon’ble Supreme Court; engagement continues with the government for a resumption of mining operations.


Owners

Source: p. 81
CompanyInterestOwnership
Vedanta Resources plc. 65.2 % Indirect
Vedanta ltd. (operator) 100 % Indirect
Vedanta’s iron ore business is owned and operated by Vedanta Limited.

Deposit Type

  • Laterite


Summary:

At the Codli mines, the lower grade iron formation is folded and subsequently eroded into basinal areas amenable to open-pit mining. Economically mineable material occurs over an area of about 3.1 km by 1.6 km and is located between 84 metres above sea level and 50 metres below sea level. The formations show a general northwest-southeast trend with shallow to moderate dips towards the northeast with local reversals. The footwall is comprised manganiferous clay and decomposed quartzites and the stratigraphy of the ore body is cross cut by late dolerite dykes and sills which are manifested by pink clayey zones in the mine area.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Codli mines are multi-pit, multi-lease fully mechanised mining units. The open-pits have a bench height of seven metres, haulage roads of 25 metres width and an overall pit slope of 26 degrees. The Codli mines have 14 basins, of which five pits have been exhausted. The lateritic overburden is removed either by ripping or dozing, and loaded by excavators and/or wheel loaders into heavy earth moving machinery such as rigid dumpers and articulated dumpers. Hauling within the mine is also done by rigid and articulated dumpers. An ore stockpile is maintained at all times to continuously feed the processing plants.


Crushing and Grinding


Processing

  • Wash plant
  • Dry Screening
  • Magnetic separation

Source: Subscription required

Summary:

Vedanta Limited has extensive ore processing facilities for upgrading the ore, which include crushing, dry screening, scrubbing, log washing, classifying, hydrocycloning, and magnetic separation with a wet high-intensity magnetic separator. The four Codli processing plants are between 1 and 18 years old and throughput capacity of the four Codli processing plants is 10 mmtpa. The processed ore is transported by road to a riverhead jetty by 10 tonne tipper trucks and then further transported by barges to the Goa ports or transhipper for onward shipment. One plant is provided with a dry circuit to process high grade ore, while the remaining four wet plants process low grade ores. The Codli processing plants undergo regular maintenance and annual repairs are conducted during the monsoon season.

Recoveries & Grades:

CommodityParameter201820172016
Iron Head Grade, % 505050

Production:

CommodityUnits2018201720162013
Iron M wmt 2.43.82.92.1
All production numbers are expressed as ore.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2018201720162013
Annual processing capacity 10 Mt10 Mt10 Mt10 Mt

Reserves at March 31, 2017:

CategoryTonnage CommodityGrade
Proven 13.2 Mt Iron 52.7 %
Probable 6 Mt Iron 55.7 %
Proven & Probable 19.2 Mt Iron 53.7 %
Measured 3.9 Mt Iron 51.4 %
Indicated 2.9 Mt Iron 52.6 %
Inferred 0.6 Mt Iron 52.3 %
Total Resource 7.4 Mt Iron


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 27, 2021
....................... Subscription required ....................... Subscription required Subscription required Sep 27, 2021
....................... Subscription required ....................... Subscription required Subscription required Sep 27, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

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

Aerial view:

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