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Extraction of Gold from Placer and Ore deposits using Amalgamation and Cyanidation.
Group Members:
• Muhammad ali
• Taj afsar
• Bushra Nawaz
• Hanifullah
Project Supervisor: Engr.Nisar Muhammad
Department Of Mining Engineering
University Of Engineering & Technology Peshawar
3/14/2015
Outline
• Gold
• Gold uses
• Gold properties
• Impurities
• Gold Deposits in Pakistan
• Aims & Objectives
• Methodology
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Gold
• One of the most important and expensive metals
• Occurs in native form
• Pakistan has 5th largest gold deposit in world
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Uses:
• Jewelry(78%)
• As a Medium of Exchange
• Electrical-electronic applications
• Dentistry
• The aircraft-aerospace industry
• The arts
• Medical
• Medals and Awards
• Glassmaking
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Properties:
• Metallic luster
• Specific gravity or density is 19.3
• Density is 16 to 18
• Hardness of a penny
• Chemically inert
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List of Countries by Gold Production
2013:
Rank Country/RegionGold production (Metric Tons) in 2013
World 2,770
1 China 420
2 Australia 255
3 United States 227
4 Russia 220
5 Peru 150
6 South Africa 145
7 Canada 120
8 Mexico 100
9 Uzbekistan 93
10 Ghana 85
11 Brazil 75
12 Papua New Guinea 62
13 Indonesia 60
14 Chile 55
Rest of the world 700
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Gold deposits in Pakistan
1. Placer deposits of Pakistan extend throughout the country from Northern Areas to the Arabian sea
2. Gold occurs in Pakistan in both placer and rock deposits.
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Gold deposits in Pakistan (contd.)Major gold deposits are :
• Reko diq
• Chitral
• Saindak
• Gilgit(river indus)
• Jhangera(river Kabul)
• Arabian sea
In our project we will work on Jhangera and Chitral Gold ore
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MethodologyOre Sample Placer deposit
Report writing
Gold
Cyanidation
Concentrate
Flotation
Shaking Table
Grinding
Crushing
Transportation of material
Report writing
Gold
Cyanidation
Concentrate
Amalgamation
Shaking Table
Removal of coarse material
Transportation of material
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