Assignment PresentationWednesday 17 February 2010.ppt
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1、Assignment Presentation Wednesday 17 February 2010,Group 4,Non-Energy Minerals:,Question 1. There are three major components of minerals of the modern world economy: 1.1 Energy minerals These include Coal, Gas, and Uranium 2.2 Metallic Minerals There three categories namely Ferrous Metals, Precious
2、metals and Base Metals Ferrous metals include, niobium, terrarium,2,Precious metals include: Gold, Platinum, Silver and; Base metals include: Bauxite, aluminium, cobalt, copper, lead, magnesium, zinc, nickel, molybdenum 1.3 Non Metallic Minerals These are Construction minerals, industrial minerals,
3、precious stones. Construction minerals (brick, stones, cement, clay, crushed rock, sand) Industrial minerals (kaolin, magnesium, salt, sulphur, potash) Precious stones (Diamonds, Tanzanite and other gemstones),3,Question 2: The main obstacles in increasing the degree of processing for export include
4、:-lack of specialized technology, for example in Gold refinery plants where 7 stages are involved, after the 5th stage you really need to negotiate with gurus in Gold refinery to get the highly sophisticated technology needed to process gold to final consumable product such as rings, necklaces, bung
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