Some rocks have alternating polarity layers. Did the earth flip over?

Subject: Some rocks have alternating polarity layers. Did the earth flip over?

Date: Mon Apr 30 22:51:41 2001
Posted by Jack
Grade level: 7-9 School: St Christopher's School
City: Richmond State/Province: VA Country: USA
Area of science: Earth Sciences
ID: 988685501.Es

Message:


If the earth did flip over, how fast did it flip over?  The speed of the flip 
is what I am interested in.  Were these cataclysmic events?  Thanks.  Jack

Re: Some rocks have alternating polarity layers. Did the earth flip over?

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