Under California: An ancient tectonic plate
Large chunks of an ancient tectonic plate that slid under North America millions of years ago are still present under parts of central California and Mexico, according to new research led by Brown University geophysicists.
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“Geologist [I'm Climate Change]”
Since: Mar 07
#1 Mar 20, 2013
No pic of the anomaly though so have to make guesses.
Have a nice day: Ag
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