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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

Uploaded on 07/28/2015

sumanth_reddy
sumanth_reddy 🇮🇳

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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
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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