Hot water acts as a concentrating, transporting, and depositing agent in hydrothermal mineral deposits. Out of all the deposit classes, they are the most numerous. Since pure water is a poor solvent for most ore minerals, hydrothermal deposits are never ...
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Effect of Stemming Length on Blasting Fragmentation Part 1
Introduction Blasting is a crucial operation in the mining and construction industries, used to fragment rock masses to facilitate their excavation and processing (Taiwo et al., 2023). The effectiveness of blasting is heavily influenced by various parameters, among which stemming ...
NATIVE METALS
The term “native metal” refers to metals found in pure or in an alloy that is representative of their natural, elemental state. Although a wide variety of metals can be found in native deposits, only few are resistant to oxidation ...
Magmatic Sulfides and Cumulates: A Treasure Trove of Metals
Magmatic sulfides, a significant source of valuable metals like platinum, palladium, and chromium, are formed through a fascinating process within Earth’s fiery depths. The Formation Process Mafic and Ultramafic Magmas: These magma types, rich in iron, magnesium, and sulfur, are ...
T𝐡𝐞 𝐂ut-off grade: 𝐚 𝐅𝐨𝐮𝐧𝐝𝐚𝐭𝐢𝐨𝐧𝐚𝐥 𝐏𝐚𝐫𝐚𝐦𝐞𝐭𝐞𝐫.
In the econometrics of mineral resources, cut-off grades are threshold values used to determine the economic viability of mining operations. The cut-off grade depends on several parameters, and we primarily distinguish between: The geological cut-of grade The geological cut-off grade ...