Asked • 05/06/19

Can rocks have pressure signatures?

Since rocks can have magnetic signatures, as is the case with paleomagnetism, can they store past pressures also? For example, when researchers are trying to determine past ocean levels, they usually look at isotopes. But is there any way they can look at rock morphology to see how high sea levels may have been (maybe a more compressed rock meant higher pressures, meaning higher sea levels and vice versa)?

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