Metallic Ores and Economic Geology
Explore the world of metallic ores through ore geology and economic geology. Learn about ore minerals, gangue minerals, and host rocks that make up metallic ore deposits. Discover the importance of economic resources such as ores of metals, gemstones, rare earth elements, industrial rocks, energy resources, and water resources. Dive into the processes of formation and extraction of metallic ores in this comprehensive guide.
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Presentation Transcript
Economic Geology : A branch of geology deals with natural materials used for human benefit. These materials called "Economic Resources" and include: 1- Ores of metals (e.g., Cu, Pb, Au, Ag .etc.) , gemstones ( e.g., diamond , opal , turgoise, .. etc.) and rare earth elements (e.g., Se, La, Nb, .. etc.) 2- Industrial rocks and minerals ( non-metallic), (e.g., bauxite, limestone , sandstone, etc.) 3- Energy Resources (Fuel) include oil, coal and gas 4- Water resources 1 & 2 are called "mineral resources"
Ore (Metallic Ore)Definition A natural concentrated aggregates of metallic minerals ( galena, chalcopyrite, pyrite, etc.) from which one or more metals can be economically extracted Ore geology A branch of economic geology that deals with metallic ores only concerning their: occurrences, mineralogy, geochemistry, their geological settings, genesis (process of formation), exploration, economic evaluation, beneficiation. mining, extraction and This course involves with the genesis of metallic ores only (Their processes of Formation).
What are the three main constituents of any metallic ore (orebody, ore deposit) 1- Ore Minerals (metallic minerals) 2- Gangue Minerals 3- Host Rocks (country rocks) Gangue mineral: The unwanted materials, minerals or rocks, with which ore minerals are usually intergrown. Protore: This is mineral material in which an initial but uneconomic concentration of metals has occurred that may by further natural processes be upgraded to the level of ore.
