Ernst & Young’s Canadian Mining Eye index — which tracks the performance of 100 Toronto Stock Exchange and TSX Venture Exchange mid-tier and junior mining companies — rose 5% fin the January-March period.
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Document divides operations into six levels, from zero (entirely manual ) to five (fully autonomous), and assists in the preparation of a business case for autonomous mining, depending on level and needs.
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Decision was made to give more artisanal and small-scale miners (ASM) the opportunity to benefit from the program, which helps them trace route of their diamonds throughout the supply chain.
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The 118.91-carat stone is the largest recovered at the site in the past two years.
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Graff has now created a 302.37-ct square emerald cut diamond – the world’s largest of that particular cut.
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The 28.84-carat diamond, named Argyle Octavia, will be auctioned in Antwerp, Belgium, and could sell for millions of dollars.
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Underground extension of Aikhal will keep it in operations until 2044 and it’s estimated to cost about $16 million.
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The new deposit should compensate for the depleting stock of the Komsomolsky open-pit mine.
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Find is the third Type II D-colour gem-quality diamond weighing more than 100 carats recovered since March and the fourth such rock discovered in the current financial year.
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Botswana’s state-run Okavango Diamond Company has unveiled what is believed to be the largest blue diamond ever discovered in the southern African country.
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