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> These rocks have retained their original state, having neither melted nor resolidified since their inception How are they able to tell that?
by prewett 2y ago
> These rocks have retained their original state, having neither melted nor resolidified since their inception
How are they able to tell that?
- malfist 2y agoI don't pretend to know in this case, but sometimes you can tell by the lattice, see https://en.m.wikipedia.org/wiki/Widmanst%C3%A4tten_pattern https://en.m.wikipedia.org/wiki/Widmanst%C3%A4tten_pattern The only way a widmanst pattern forms is by slow cooling of the iron over millions of years. Check out the wiki section on why it can't be reproduced in a lab
- pyinstallwoes 2y agoIt is interesting it’s triangular