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Saudi Arabia
Jabal Sayid Mine

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 Location:
11 km SW from Al Omaq, Saudi Arabia

  Regional Office:
P.O. BOX 72, Al Mahd
Madinah
Saudi Arabia
41951
Phone  ...  Subscription required
Fax+966 920001343
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Copper
  • Gold
Mining Method
  • Longhole open stoping
  • Cemented backfill
  • Paste backfill
Processing
  • Flotation
Mine Life14 years (as of Jan 1, 2017)


Owners

Source: p. 140
CompanyInterestOwnership
Barrick Gold Corp. 50 % Indirect
Maaden Saudi Arabian Mining Co. 50 % Indirect
Ma’aden Barrick Copper Company is the owner of the Jabal Sayid Project in Saudi Arabia. The company is a 50/50 joint venture between Ma’aden and Barrick Gold Corporation Ltd.

Deposit Type

  • VMS
  • Volcanic hosted


Summary:

Jabil Sayid is located in the prospective Neo-Proterozoic Arabian Shield. The shield continues west of the Red Sea into Egypt and Sudan as the Nubian shield. The rocks are 600 to 1,000 million years old, and contain two major structurally controlled mineralised zones; the Samran Shayban Mineral Belt, which extends from Sudan, north-east past Mahd Adh Dhahad, and a second, parallel north-east trending Wadi Kamal Mineralised zone, which extend from the Nile valley, in Egypt, into northern Saudi Arabia.

The shield has similarities to many mineralised Proterozoic shields around the world. The Arabian Shield hosts a wide variety of mineral systems including porphyry copper-gold, epithermal gold and volcanic hosted massive sulphide (VHMS) deposits, many of which are gold rich, and Ultramafic hosted nickel-copper deposits.

Jabal Sayid is a volcanic hosted massive sulphide (“VHMS”) system, lying within the Asir volcanic arc. The area is arid and mountainous. Two layers of volcanic rocks form the top of the structure with local deformation resulting in large folds filled with granite complexes. Mineralisation is hosted by felsic volcanic rocks associated with a local paleovolcanic centre and crosscut by intrusions. Three styles of mineralisation have been identified at Jabal Sayid: stockwork zones, massive sulphides and sulphide breccia. Four separate mineralised lodes (Lodes 1, 2, 3 and 4) located within a northeast-trending corridor 1.2 kilometre long and between 200 and 700 metres wide have been identified. The lodes are believed to be restricted to the western flank of a southwest plunging fold.

Lodes 2 and 4 are dominated by chalcopyrite (copper- iron sulphide) rich stockwork mineralisation. Lode 1 mineralisation is predominantly a chalcopyrite stockwork overprint on a massive sulphide, predominantly pyrite, but with significant sphalerite (zinc sulphide).

The mineralisation generally dips steeply west and plunges steeply to the south.

In Lodes 2 and 4, the highest grade mineralisation occurs in extensive copper stockwork domains, which may include some massive sulphide mineralisation from later massive sulphide horizons.

Lode 1 is a steeply plunging massive sulphide body hosted by rhyolitic volcanics and volcaniclastics. It comprises a tabular body of pyrite with strong zinc, elevated gold values and modest copper values. The body is also overprinted by copper stockwork mineralisation.


Mining Methods

  • Longhole open stoping
  • Cemented backfill
  • Paste backfill


Summary:

Underground Mining:
– Long Hole Open Stoping method of mining utilizing paste backfilling;
– Average Stope Dimensions 50m x 30m x 30m;
– Ore and waste hauled to surface via a twin decline.

Byrnecut’s scope of works includes decline, vertical and lateral development, paste-fill, production drilling, blasting, and haulage. Using large-scale longhole open stoping methods, with a combination of cemented rock fill and paste fill.

Byrnecut also manages all fleet maintenance.


Crushing and Grinding
Flow Sheet: Source
Crusher / Mill TypeModelSizePowerQuantity
Jaw crusher 1
SAG mill 1
Ball mill 1
Regrind 1
Pebble mill 1

Summary:

The plant design includes the following processes:

- Primary crushing of ore.
- Wet grinding of ore in a semi-autogenous (SAG) mill and pebble crusher.
- Milling to a P80 of 150 µm in a ball mill.


Processing

  • Flotation

Flow Sheet: Subscription required

Summary:

Sulphide flotation, with regrinding of the bulk rougher concentrate to provide a cleaner flotation feed with a P80 of 38 µm.
- Dewatering of the sulphide flotation concentrate, using a thickener followed by pressure filtration of the thickened concentrate to produce a concentrate moisture level suitable for shipment.
- Classification of the flotation rougher tailings to produce a coarse fraction, as feed to a sand fill plant and a fines fraction for separate disposal.
- Dewatering of the fine flotation tailings component, using a thickener, followed by filtration using three horizontal filter presses, to generate a dewatered tailing product with a target moisture of 15% water, suitable for ‘dry’ stacking.
- A sand fill plant, to produce a coarse sand fraction suitable for hydraulic backfill.

At Jabal Sayid, the Ma’aden Barrick Copper Company uses a Barrick-patented method to process copper concentrate. Unlike most conventional flotation methods, the proce ........

Recoveries & Grades:

CommodityParameter20202019201820172016
Copper Recovery Rate, %  ......  Subscription required  ......  Subscription required9393.691.1
Copper Head Grade, %  ......  Subscription required  ......  Subscription required2.792.532.31

Production:

CommodityUnits2021202020192018201720162015
Copper M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required110855912
All production numbers are expressed as metal in concentrate. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics20202019201820172016
Ore tonnes mined  ......  Subscription required2,432 kt2,176 kt2,020 kt1,478 kt
Annual mining capacity  ......  Subscription required
Tonnes processed  ......  Subscription required2,284 kt1,948 kt1,634 kt1,276 kt
Annual processing capacity  ......  Subscription required
Daily mining rate  ......  Subscription required4.5 kt2.8 kt
Daily processing rate  ......  Subscription required4,474 t3,498 t
Subscription required - Subscription is required.

Reserves at December 31, 2020:

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven & Probable Stockpiles 0.24 Mt Copper 2.7 % 14.6 M lbs
Proven & Probable In-Situ (UG) 24 Mt Copper 2.26 % 1,220 M lbs
Proven & Probable Total 24 Mt Copper 2.27 % 1,240 M lbs
Proven & Probable Stockpiles 0.24 Mt Gold 0.29 g/t 0.0024 M oz
Proven & Probable In-Situ (UG) 24 Mt Gold 0.23 g/t 0.178 M oz
Proven & Probable Total 24 Mt Gold 0.23 g/t 0.18 M oz
Measured Stockpiles 0.24 Mt Copper 2.7 % 14.6 M lbs
Measured In-Situ (UG) 9.2 Mt Copper 2.73 % 560 M lbs
Measured Total 9.4 Mt Copper 2.73 % 574.6 M lbs
Measured Stockpiles 0.24 Mt Gold 0.29 g/t 0.0024 M oz
Measured In-Situ (UG) 9.2 Mt Gold 0.21 g/t 0.062 M oz
Measured Total 9.4 Mt Gold 0.21 g/t 0.064 M oz
Indicated Total 19.6 Mt Copper 2.35 % 1,020 M lbs
Indicated Total 19.6 Mt Gold 0.36 g/t 0.22 M oz
Inferred Total 4.6 Mt Copper 1.6 % 158 M lbs
Inferred Total 4.6 Mt Gold 0.4 g/t 0.056 M oz

Commodity Production Costs:

CommodityUnits202120202019201820172016
All-in sustaining costs (AISC) Copper USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required† 1.92 / lb† 2.3 / lb† 2.98 / lb†
C1 cash costs Copper USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required† 1.53 / lb† 1.7 / lb† 1.97 / lb†
^ Guidance / Forecast.
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units20172016
UG mining costs ($/t mined) USD 31.237.3
Processing costs ($/t milled) USD  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Financials:

Units20202019201820172016
Sustaining costs M USD 46   34  
Revenue M USD  ......  Subscription required  ......  Subscription required296   214   80  
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required88   60   3  
After-tax Income M USD  ......  Subscription required  ......  Subscription required78   52   3  
Subscription required - Subscription is required


Heavy Mobile Equipment as of November 28, 2020:
HME TypeModelQuantityLeased or
Contractor
Drill ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Load-Haul-Dump (LHD) ....................... Subscription required ....................... Subscription required Leased
Load-Haul-Dump (LHD) ....................... Subscription required ....................... Subscription required Leased
Truck (underground) ....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 19, 2021
....................... Subscription required ....................... Subscription required Subscription required May 19, 2021
....................... Subscription required ....................... Subscription required Subscription required May 19, 2021
....................... Subscription required ....................... Subscription required Subscription required May 19, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Information Form 2018
Annual Report 2018
Annual Report 2018
Other 2018
Annual Information Form 2017
Annual Report 2017
Annual Report 2017
Operations & Technical Update 2017
Annual Information Form 2016
Annual Report 2016
Other 2010
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Aerial view:

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