Formation of Mineral Deposits
Endogenous Processes
• Magmatic concentration
• Metamorphism/Metasomatism
• Hydrothermal process
Exogenous Processes
• Weathering & Supergen enrichment
• Chemical deposition
• Mechanical concentration
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Geology of Mineral Deposits: Formation, Processes, and Classification, Lecture notes of Technical Writing
An overview of the formation of mineral deposits through endogenous and exogenous processes, including magmatic concentration, metamorphism, hydrothermal processes, weathering, chemical deposition, and mechanical concentration. It also covers the classification of mineral deposits based on their genetic origin and the types of rocks they are associated with. Examples of mineral deposits such as kiruna's iron ore mine and el laco magnetite deposit.
Typology: Lecture notes
2014/2015
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Formation of Mineral Deposits Endogenous Processes
- (^) Magmatic concentration
- (^) Metamorphism/Metasomatism
- (^) Hydrothermal process Exogenous Processes
- (^) Weathering & Supergen enrichment
- (^) Chemical deposition
- (^) Mechanical concentration
With an ore body 4km long and 80m wide and lying at a depth of 2km, Kiruna is one of the world’s largest, most modern underground iron ore mines. At present, approximately 800Mt of ore, only one third of the original ore body, has been extract ed.
Plate Tectonics and Mineralization
Distribution of major tectonic plates
Magmatic mineral deposits concentrated in igneous rocks; Residual mineral deposits formed by weathering reactions at the earth’s surface. Placer deposits are sorted and distributed by flow of transporting media such as water, wind and ice; Sedimentary mineral deposits are precipitated from a solution, typically sea water; Metamorhogenic mineral deposits form in association with metamorphism Hydrothermal mineral deposits form in association with magma and water; Simple genetic classification of minerals deposits