Transcript Glebe Mines Ltd Presentation - land regeneration management ltd

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
• Barytes
• Lead Concentrate
• Limestone Aggregate
60-65kte/a
15-20kte/a
1kte/a
150kte/a
AG Fluorspar End User Applications
- A Few!
AG Fluorspar
Hydrofluoric
Acid
• Refrigerants and propellants
• Pharmaceuticals
• Aluminium Manufacture
• Glass and Ceramics Manufacture
• Computer Chip Manufacture
• Crop Protection
• 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
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+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
• POLYTRANS
£750k (3 years)
€5.5M (2 years)
• MIRO
• MAUK
• University of Leicester
• University of Leeds
Glebe Mines Ltd