Friday, December 9, 2016

Rock layers preserve record of ancient sea tides near Blythe, California

Five million years ago, the Colorado River met the Gulf of California near the present-day desert town of Blythe, California. The evidence, say geologists, is in the sedimentary rocks exposed at the edges of the valley where the river flows today.

from Oceanography News -- ScienceDaily http://ift.tt/2h6rKTS
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