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Saudi Arabia
Bulghah Mine

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 Location:
460 km NE from Jeddah, Saudi Arabia

  Address:
Building number 395 Abi Bakr Asseddiq Road, South Exit 6, North Ring Road
P.O. Box 68861
Riyadh
Saudi Arabia
11537
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Fax+966-(0)-11-874-8300
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2042
Bulghah’s open pit oxide grade ore is processed on site by Heap Leach Processing, while higher grade ore is transported by trucks to the Sukhaybarat plant to produce Dore.


Owners

Source: p. 19,48
CompanyInterestOwnership
Maaden Saudi Arabian Mining Co. 100 % Indirect
Maaden Gold and Base Metals Company (operator) 100 % Direct
Ma’aden Gold and Base Metals company (MGBM) is a wholly owned subsidiary of Maaden Saudi Arabian Mining Co. (Ma’aden), operates five gold mines, i.e. Mahd Ad-Dahab, Al-Amar, Bulghah, As-Suq and Ad-Duwayhi and a processing plant at Sukhaybarat.

Contractors

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Deposit Type

  • Vein / narrow vein
  • Mesothermal


Summary:

Geology.
The Bulghah deposit lies within Pre-Cambrian rocks of the Arabian Shield, located in the western part of the Arabian Peninsula. Gold mineralisation is predominantly hosted by mesothermal gold veins, often associated with a 680Ma to 640Ma orogeny that amalgamated various terranes into the Arabian Shield. Gold is also associated with a 615Ma phase of diorite-granodiorite magmatism in the north-eastern Shield, and post 640Ma strike-slip faulting in the Najd fault system.

Gold mineralisation at Bulghah is hosted by a tonalite/diorite intrusion, which strikes roughly north-south. The tonalite/diorite intrusion is fault/shear bounded on the east and west sides, with the contacts dipping roughly 60° towards the east. The intrusion ranges from 200m to 500m wide, narrowing towards the south, and extends to the north and south for approximately 1,000m with a depth of about 450m. The intrusion is bounded to the east by meta-volcanics, primarily andesite, and by meta- sediments to the west. The meta-sediments include a distinct marble unit. The intrusion grades from tonalite to diorite in the southeast and northern parts of the project area. The diorite has a coarser texture, with hornblende and plagioclase phenocrysts in a light coloured matrix. The intrusion is cross- cut by numerous aplite dykes, which are sub- horizontal, and frequently have irregular geometries. The aplite dykes also occur on or near the contacts between the country rock and the intrusion.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mining operations at Bulghah comprise open-pit mining.

Mine access to the open-pits (Bulghah & Sukhaybarat Mine) is via a single haul road developed to each of the four pits with pit No.1 extending from surface to 830m amsl, some 120m below surface. The open-pits are designed with the following parameters: 18m wide ramps at a gradient of 10% and overall slope angles ranging from 32° to 52°. Final slopes are geotechnically domained and include batter angles ranging from 45° to 75°, berm widths from 10m to 20m and face heights from 15m to 20m. All cut-backs and pit base widths are established at a minimum of 30m.

Mining methods comprise standard drill-blast-load- truck. Mining occurs by drilling and blasting 5m high benches with 102mm blast holes. Loaders with 5.6m3 bucket capacities load blasted ore and waste into 41t rear-dump haul trucks. Additional service equipment comprise graders, tracked dozers, water trucks and general service vehicles.


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits2021202020192018201720162015
Gold oz  ......  Subscription required  ......  Subscription required  ......  Subscription required36,97258,36956,06953,929
All production numbers are expressed as metal in doré.
Subscription required - Subscription is required.

Operational Metrics:

Metrics20172016201520142013
Ore tonnes mined 3,611,503 t2,837,949 t2,436,967 t2,363,286 t2,399,867 t
Waste 4,747,824 t4,429,822 t
Tonnes milled 3,910,039 t2,795,148 t2,693,711 t2,161,606 t2,048,164 t

Reserves at December 31, 2021:

CategoryTonnage CommodityGradeContained MetalRecoverable Metal
Probable 33 Mt Gold 0.86 g/t 0.91 M oz 0.48 M oz
Indicated 42.5 Mt Gold 0.9 g/t
Inferred 10.8 Mt Gold 0.9 g/t
Total Resource 53.2 Mt Gold 0.9 g/t 1.55 M oz

Financials:

Units20172016
Capital expenditures M SAR
Revenue M SAR 278.4   263.2  
Gross profit M SAR



Heavy Mobile Equipment as of May 25, 2011:
HME TypeModelSizeQuantity
Bulldozer ....................... Subscription required ....................... Subscription required
Bulldozer ....................... Subscription required ....................... Subscription required
Bulldozer ....................... Subscription required ....................... Subscription required
Compactor ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required 4.5 t ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Grader ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Shovel ....................... Subscription required 14 t ....................... Subscription required
Truck (dump) 23 t ....................... Subscription required
Truck (dump) ....................... Subscription required 70 t ....................... Subscription required
Truck (dump) ....................... Subscription required 50 t ....................... Subscription required
Truck (dump) ....................... Subscription required 40 t ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Feb 1, 2023
....................... Subscription required ....................... Subscription required Subscription required Sep 24, 2022
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Staff:

Total WorkforceYear
Subscription required 2018
Subscription required 2013

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Annual Report 2016
Annual Report 2015
Annual Report 2014
Annual Report 2011
Other 2011
Other 2007
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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