How Is the Orientation of Earths Magnetism Recorded in Rocks on the Ocean Floor?

Answer

There are many different ways that are in use to measure the earths magnetism. One way to measure this is by the way the rocks accumulate at the bottom of the ocean.
Q&A Related to "How Is the Orientation of Earths Magnetism Recorded..."
Earth's magnetic orientation is locked into the rock when the rock cools
http://wiki.answers.com/Q/How+is+orientation+of+ea...
1. When near each other, unlike magnetic poles REPULSE each other. 2. A maglev train floats above its rails due to REPULSION. 3. A magnetic DOMAIN is a grouping of billions of atoms
http://answers.yahoo.com/question/index?qid=201210...
1 - attract. 2 - magnetic repulsion. 3 - domain. 4 - ferrous. 5 - basalt.
http://answers.yahoo.com/question/index?qid=201210...
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