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 ...
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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 ...
Core barrels: an overview
What is a core barrel? The core barrel is an essential part of each coring practice as it collects the core sample in its inner tube and simultaneously its outer tube acts as the BHA. Core barrels are not all ...