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Australia
Bald Hill Mine

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 Location:
50 km SE from Kambalda, Western Australia, Australia

  Regional Office:
Level 3, 20 Parkland Rd
Osborne Park
Western Australia, Australia
6017
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WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeOpen Pit
Commodities
  • Lithium
  • Tantalum
Mining Method
  • Truck & Shovel / Loader
Processing
  • Spiral concentrator / separator
  • Dense media separation
Mine Life9 years (as of Jan 1, 2018)
Company filed for Financial reporting relief on April 8, 2020.

Mine production status is unknown.

July 15, 2020 - The Bald Hill Mine remains on care and maintenance, the Alita Resources continues to meet environmental obligations, keep the tenements in good standing and maintain the relevant insurance.
Latest NewsAustroid to resurrect Bald Hill for North American lithium supply     December 7, 2020


Owners & OPERATOR

Source:
CompanyInterestOwnership
SMS Mining Services (operator)
Primero Group Ltd. (operator)
Alita Resources Ltd. 100 % Direct
December 7, 2020 - Austroid Corporation is in the process of securing ownership of the mothballed Bald Hill lithium mine.

Deposit Type

  • Pegmatite


Summary:

The Bald Hill Pegmatite Mineral Resource comprises one large, main, sub horizontal pegmatite body, striking north-south, with a strike length of 1,070 metres, and a width at its widest point of 775 metres.

This main body is surrounded by several smaller discrete pegmatite bodies, sub-parallel to the main, which result in a total strike length for the whole resource of 1,245 metres, and a total width of 990 metres. The Mineral Resource has a total vertical depth of 195 metres, beginning 20 metres below the natural surface and plunging gently to the south along its entire strike length.


Mining Methods

  • Truck & Shovel / Loader


Summary:

SMS Innovative Mining Solutions Pty Ltd is undertaking contract open-pit mining of the lithium and tantalite ore. The mining of staged open pits uses a conventional truck/excavator mining method.

Current key mining equipment on site includes 1 x 360t Excavator, 1 X 200t excavator, 1 x 120t Excavator, a fleet of Cat785/777 trucks and ancillary equipment including dozers, graders, loaders and water carts.

Drill and blast is being undertaken under sub contract by JSW Australia using a combination of top hammer and down hole hammer drill rigs.

To minimise ore loss and dilution, ore is being mined in blocks of shallow bench height of 2.5m with drill and blast limited to 5m depth is areas containing ore. Bulk waste is mined utilising 5m to 10m benches, with bulk waste drill and blast targeting 10m benches.


Crushing and Grinding


Processing

  • Spiral concentrator / separator
  • Dense media separation

Source: Subscription required

Summary:

The Bald Hill Mine commenced lithium concentrate production effective 14 March 2018. The Mine is currently in ramp-up with the Stage 1 DMS plant performing at about nameplate capacity with utilisation rates exceeding expectations. The Stage 1 DMS includes a spirals circuit for -1mm lithium fines which is producing tantalum pre-concentrates.

The successful Stage 1 DMS plant was constructed on time and on budget by Primero Group (Primero). The JV partners and Primero are undertaking a review of the Stage 1 DMS circuit performance and proposed 1mm fines circuit design, with the aim of identifying minor design improvements for a possible Stage 2 DMS circuit which will advance the Stage 1 DMS design. The proposed fines circuit and existing slimes thickening facility would be common to both modules.


Operational Metrics:

Metrics2018
Annual processing rate  ......  Subscription required
Subscription required - Subscription is required.

Reserves at December 1, 2018:

CategoryTonnage CommodityGradeContained 
Commodity
Probable 11.3 Mt Li2O 1.01 % 114,100 t
Probable 11.3 Mt Ta2O5 160 g/t 4,000 k lbs
Indicated 14.4 Mt Li2O 1.02 % 147,200 t
Indicated 14.4 Mt Ta2O5 168 g/t 5,300 k lbs
Inferred 12.1 Mt Li2O 0.9 % 108,000 t
Inferred 12.1 Mt Ta2O5 123 g/t 3,300 k lbs


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 27, 2020
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2018
Subscription required - Subscription is required.

News:

NewsDate
Austroid to resurrect Bald Hill for North American lithium supply December 7, 2020
Alita Resources Ltd.: Updates on deed of company arrangement July 15, 2020
Alita Resources moves into voluntary administration August 30, 2019
Tawana ceases trading following Alliance merger December 5, 2018
Bald Hill lithium mine starts commercial production July 31, 2018
Tawana Resources: Bald Hill on track for lithium production this Quarter January 12, 2018

Aerial view:

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