Titlebook: Understanding Mineral Deposits; Kula C. Misra Book 2000 K.C. Misra 2000 economic geology.exploration.formation.geology.mineral.mineral dep

陰郁

Nickel (-Copper) Sulfide Deposits,ng nickel steels and nickel cast irons. It is also used for many other alloys, especially with copper (Monel metal) and chromium (stainless steel). Nickel imparts to its alloys toughness, strength, and anti-corrosion qualities; nickel steels and alloys are preferred for moving and wearing parts of m

漫步

Platinum-Group Element (PGE) Deposits,, ruthenium (Ru), rhodium (Rh), platinum (Pt), and palladium (Pd). Based on association, the PGE may be divided into two subgroups: the Ir-subgroup (IPGE) consisting of Os, Ir, and Ru and the Pd-subgroup (PPGE) consisting of Rh, Pt, and Pd.

malign

Porphyry Deposits,phyritic igneous intrusions. With the development of large-scale open-pit mining methods and froth flotation techniques for efficient beneficiation of low-grade ores, the meaning of the term has been expanded to include economic considerations as well as engineering characteristics. It now refers to

懶惰民族

耕種

淡紫色花

諄諄教誨

雀斑

Mississippi Valley-Type (MVT) Zinc-Lead Deposits,ny such deposits within the drainage basin of the Mississippi River in the central United States, where they were first studied in detail. MVT deposits contain a substantial proportion of the world’s reserves of zinc and lead. They are the main source of these metals in the United States and contrib

聾子

Uranium Deposits, at Joachinstal, Bohemia (Joachimsthal, former Czechoslovakia). The first important sources of radium outside Czechoslovakia were the sandstone-hosted uranium-vanadium deposits of Colorado and Utah (USA) from which about 275,000 tons of ore were produced during 1898–1923. This ore yielded about 200

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