Glebe_Mines_low_res

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							Glebe Mines Ltd
• Based at Cavendish Mill, Derbyshire
• Mining Operations in Peak District National Park
• Cavendish Mill Processing Plant
• Principally UK Customer base
        • UK self sufficient in AG production

• Business Development - Mining Projects
       • Canada
       • Scotland
Cavendish Mill & No.1 Tailings Dam
Glebe Mines Ltd
Commercial

• £7M/a Turnover
• £2.5M/a contribution to local economy

Employment

• 57 Direct Staff
• 25 Direct Contract Staff
• Total 130 Direct and Indirect Jobs
Glebe Mines Ltd
Products

• Acid Grade Fluorspar   60-65kte/a
• Barytes                15-20kte/a
• Lead Concentrate           1kte/a
• Limestone Aggregate     150kte/a
AG Fluorspar End User Applications
             - A Few!
                • Refrigerants and propellants
AG Fluorspar    • Pharmaceuticals
                • Aluminium Manufacture
                • Glass and Ceramics Manufacture
                • Computer Chip Manufacture
Hydrofluoric    • Crop Protection
   Acid         • Detergents
                • High Octane Petrol Production
                • Anaesthetics
                • Welding Fluxes
                • Non Stick Coatings
                • Water Fluoridation
                                      Glebe Mines Ltd
Glebe Mines Ltd
 Geological Setting

 • Carboniferous Limestone Host
 • Vertically Orientated Fissure Fill Deposits
     • +6km Length
     • Up to 30m wide
     • Worked to 150m bgl
 • Veins Truncated by Volcanics/ Shales
 • Replacement Deposits also significant

 • Peak District NP is only UK source of Fluorspar
Glebe Mines Ltd
Crude Ore Supply

• Surface & Underground Extraction
• 98% Supplied from GML Operations
    • Operational Management
    • Planning
    • H&S
    • Environmental
    Watersaw
     Mine

Arthurton
  West
                             No.4
                            Tailings
                            Lagoon

     Bow Rake




                Deep Rake              Longstone Edge
                                           2001
Watersaw Mine
Glebe Mines Ltd
Underground Operations

• Milldam - C&M (under review)
• Watersaw - Active
   • Trackless Sub-Level caving method
   • 16te rubber tyred u/g dump trucks
   • 25,000 te/a (5% of supply to Cavendish Mill)
   • 6 men employed by GML

• 5y Plan - 25% of overall supply
Watersaw
  Mine
Compound
Watersaw Mine
   - Access
Watersaw Mine
  - Drilling
Watersaw Mine
  - Drilling
Watersaw Mine -
  Load/ Haul
Glebe Mines Ltd
Surface Open Pits

• Principal GML Operations
    • Arthurton West (150,000te/a)
    • Bow Rake (50,000 te/a)
    • Winster (100,000 te/a)
    • No.1 Dam (100,000 te/a)

• 30 - 45 te 360o Hydraulic Excavators
• 25 - 40 te Articulated Dump Trucks
Deep Rake



Bow Rake




Longstone
  Edge
Arthurton West
Arthurton West
Bow Rake
Glebe Mines Ltd
Surface Open Pits - Management

• Sensitive Environment (Peak District National Park)
• Overburden Minimisation
• Narrow Open Pits
• Increased Operating Costs
        • Geotechnical Assessments
        • Pre-shear blasting
        • Rock bolts/ mesh
        • High Access Scaling Teams

• High Degree Management Control
Bow Rake High Wall
  Pre-Shear Face
Glebe Mines Ltd
Typical Open Pits - Sustainable Developments

   • Small scale, transient and of limited duration - a
     temporary land-use
   • Full restoration, often with added bio-diversity
   • Minimal environmental impacts verses significant local
     and national economic contribution
   • Guaranteed restoration (3-fold management)
Glebe Mines Ltd

Restoration Mechanisms

• Progressive (direct operating cost)
• Accounting Provision (FRS12 - levied on each tonne)
• Insurance Bonds (ring fenced from company accounts)
Deep Rake
Restoration
             Landform
            Restoration




Deep Rake
Glebe Mines Ltd
  Planning

  • National Park Environment
  • National Significance of Minerals
  • Relatively Small Nature of Deposits
  • Frequent Planning Applications
  • EIA Requirements
  • Monitoring
  • e.g Winster Moor Open Pit
Glebe Mines Ltd
Winster Moor Open Pit

•   +4 years from exploration to consent
•   7.1Ha, 376,000 tonnes
•   4 years extraction with progressive restoration
•   1 year final restoration to agriculture
•   Restoration bond
•   S106 - Surrender of Mineral Rights on Longstone Edge
Glebe Mines Ltd
   Cavendish Mill Process

      • 500,000 te/a crude ore
      • Crushing
      • Dense Media Separation
      • Grinding
      • Froth Flotation
      • Filtration
      • Drying
  Cavendish Mill
Crude Ore Stockpile
Crushing
Dense Media
 Separation
Grinding
 Froth Flotation
Fluorspar & Lead
Flotation Cell
    Lead
Vacuum
Filtration
Bagging
No.4 Tailings Dam
No.4 Tailings Lagoon




Deep Rake




 Longstone Edge 2001
Deep Rake
  2003
Glebe Mines Ltd
Research & Development

• FIESTA              £750k (3 years)
• POLYTRANS           €5.5M (2 years)

• MIRO
• MAUK
• University of Leicester
• University of Leeds
Glebe Mines Ltd

						
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