Introduction Blasting, the primary method for rock breakage in mining and construction, relies fundamentally on initiation systems to trigger explosive charges. These systems have evolved significantly over time, progressing from rudimentary methods like safety fuses and blasting caps to more sophisticated electric and non-electric detonators. Electric detonators utilize an electric current passed through a resistance […]
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Quantifying rock drillability index.
What is rock drillability? Drillability of rock refers to the ability of rock to resist pressure and crushing during drilling, it also indicates the efficiency of footage, and it is also an index of rock solidity that indicates the difficulty of drilling blastholes (Alicia, 2023). Drillability, in other words, may be measured by the drilling speed […]
Indonesian nickel smelter group asks for royalty hike delay until prices rise
image source: mining.com Indonesian nickel smelter group asks for royalty hike delay until prices rise Indonesia’s nickel smelters association has requested the government delay its new mineral royalty fees until nickel prices on the London Metal Exchange have risen to $17,000 per metric ton, its chairman said on Thursday. The 3-month nickel contract on the […]