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Which of the following rocks provides an accurate record of ancient magnetism? Granite basalt coal pumice

Which of the following rocks provides an accurate record of ancient magnetism? Granite basalt coal pumice
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4 votes
Which of the following rocks provides an accurate record of ancient magnetism? Granite

basalt
coal
pumice

User Dlwh
by
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1 Answer

3 votes
This would be basalt, you see basalt is a naturally accruing element in the 5 stages of reoccurring stages so if you were to say coal you would kinda be right but not quite
User Yoel Halb
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