Morlock 1,600 Posted September 18, 2019 Share Posted September 18, 2019 Interesting article. https://relay.nationalgeographic.com/proxy/distribution/public/amp/science/2019/09/heavy-metal-iron-volcanoes-may-have-forged-gem-studded-meteorites 1 1 Quote Link to post Share on other sites
WillM 68 Posted September 19, 2019 Share Posted September 19, 2019 (edited) 3 hours ago, Morlock said: Interesting article. https://relay.nationalgeographic.com/proxy/distribution/public/amp/science/2019/09/heavy-metal-iron-volcanoes-may-have-forged-gem-studded-meteorites They don't mention cold-welding, actually I never hear it brought up. It is the phenomenon of similar materials "welding" upon contact from the vacuum. https://en.m.wikipedia.org/wiki/Cold_welding This could explain the crisp fusion, it is only recently recognized. Edited September 19, 2019 by WillM Forgot 2 Quote Link to post Share on other sites
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