Lis Sowerbutts
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Commodities
The Seven Rarest Metals
In terms of abundance in the Earth’s crust, the rarest metals are: gold, platinum, osmium, iridium, palladium, ruthenium, rhodium, tellurium…
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Mine Planning and Management
Underground Mining Techniques and Risks
Undergrounds mining is still, even after hundreds of years of safety improvements, a dangerous and expensive business. It’s wise for…
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Mining Hostile Environments
Mining Active Volcanoes (Surprisingly, we can and do!)
The role that volcanoes have in creating land is obvious to anyone who has seen the spectacular eruptions in Iceland…
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Prospects and Projects
The Promises and Risks of the Myanmar (Burma) Mining Industry
After over fifty years of self-imposed isolation and western sanctions, Myanmar (or Burma as some still prefer), has undergone a…
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Mining Hostile Environments
Undersea Mining – Challenges and Potential
Although 70% of the world is covered with water, with the exception of oil and gas, under sea mineral exploration…
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Commodities
Diamonds – Where They Are Found and Why
Like gold, diamonds were originally recovered from alluvial deposits. However, unlike gold, the actual mining of diamonds from source deposits…
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The Basics
Minerals on the Edge – Plate Boundaries and Minerals
The world is a dynamic place. The earth that we stand on, and think of as fixed, is anything but.…
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Deposit Types
Alluvial and Placer Mineral Deposits
Technically a placer deposit is the general term for a mineral deposit formed by the concentration of moving particles by…
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