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What's the difference between an active, dormant and extinct volcano?

To be considered active, a volcano must have erupted at some point during the Holocene, but dormant and extinct are a little ...
AOL

Scientists fear volcano that was ‘extinct’ for 700,000 years has woken up as gas pressure builds

A volcano that lies close to the border between Iran and Pakistan may be nearing an eruption again for the first time in more than 700,000 years, a study has suggested. Scientists say that the Taftan ...
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Could Extinct Volcanoes Transform the Global Rare Earth Supply?

What if the secret to cracking the world’s rare earth chokehold lay in the peaceful interiors of dead volcanoes? In a bombshell that upends conventional wisdom, laboratory simulations have shown that ...
Bozeman Daily Chronicle

Study finds extinct volcanoes rich source of rare materials used to make tech

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Extinct volcanoes could be a "rich" source of rare metals used in smartphones and flat-screen ...
The Montana Standard

After 30 years, extinct Hawaii volcano hosts concert

HONOLULU — Hawaii’s most famous dormant volcano is in for a loud awakening. Diamond Head crater, hidden within the famous mountain backdrop to Waikiki beach, will host a daylong concert Saturday with ...