2 votes

Can paleomagnetic techniques determine the exact direction of Earth's magnetic poles in the past, not just their polarity?

An important distinction is what kind of magnetic pole we're talking about. The "exact direction of Earth's magnetic poles", would be the dip poles, and no, we can't determine these as we ...
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  • 851
2 votes

How accurate are paleomagnetic orientation measurements?

When core samples are taken in the field, their orientation must first be measured, generally with standard field tools such as a Brunton. These high quality, professional compasses are good to +/- 1 ...
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