Valuable Minerals.pdf

Valuable Minerals Theme Share Present IG Valuable Minerals...

Valuable Minerals Theme Share Present IG Valuable Minerals ⋮ Created by God for our use. Provide raw materials for technology. 1 2 Mining Overview 1 3 1. Earth's Resources Extracting minerals from the earth 3. Mining Techniques Different methods for different ores 2 4 2. Responsible Practices Protecting the environment is key 4. Workforce Workers with specialized skills Valuable AI Minerals Types of Metals 3 Precious Metals Gold, silver, and platinum are highly valuable Base Metals Copper, aluminum, and iron are used in everyday items Alloys Combinations of two or more metals Common Metals Gold Silver A precious metal, often used in Used in photography, coins, and jewelry and electronics. electrical components. 4 Copper Iron Used in electrical wiring, pipes, A strong metal used in and coins. construction and automobiles. Created by God for our use. Understanding Ore Rock Composition Mining Process Contains valuable minerals Extraction from the earth 5 Provide raw materials for technology. Often mined in bulk Requires specialized equipment Metallurgy by Ian Gilliam Extraction Refining valuable metals Refining Purifying extracted metal IG 6 Shaping Forging, casting, and molding Last edited 5 days ago Extraction, Refining and Shaping Extraction 1 Removal of minerals from the earth Refining 2 Purification of extracted materials 7 Shaping 3 Forming minerals for desired use Aluminum Overview Add card with AI Aluminum is the most abundant metal found in the Earth's crust. 8 It is a light, strong, and corrosion-resistant metal. Bauxite as Ore Primary Aluminum Found Across the Mining Overview Ore Globe Aluminum is obtained from Bauxite deposits exist in bauxite ore. many countries. 9 Aluminum Hydroxide Essential for Production Bauxite is a mixture of aluminum hydroxides. Bauxite is the raw material for aluminum production. Bayer Process The Bayer process is a chemical process for refining aluminum ore. Crushing 1 Bauxite is crushed to increase surface area. Digestion 2 Bauxite is mixed with a strong caustic soda solution. Filtration 3 Impurities are removed from the solution. Precipitation 4 Alumina is precipitated from the solution. 10 5 Calcination Alumina is heated to remove water.