Answer :
Certain minerals are only stable in a small range of temperatures and as such can tell us what temperature the rock metamorphosed at. we call these geothermometry. This statement is false.
The 3 foremost minerals (magnetite, pyrrhotite, and ilmenite) strongly interested in a magnet. Two varieties of rock – serpentine and ironstone are nearly usually magnetic.
As magma or lava cools, those minerals start to shape. At this point, the molten rock has no longer completely solidified, so the magnetic minerals floating inside the molten mass, end up aligned with the magnetic subject.
Water is discovered in interior rocks nearly anywhere, even very deep underneath the earth's floor where it's far particularly warm. The water inside hot rocks may be very warm as well, and when the fluid comes to the earth's floor, it can generate electricity.
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