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View Diary: Pictures of LINCOLN family roots (62 comments)

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    Missys Brother

    From www.uky.edu/KGS/education/timeline_ky.htm

    Cambrian Period (542 to 488 million years ago)

    *                          542 Abundant fossil evidence of invertebrate life throughout the world, sometimes termed the "Cambrian Explosion" because of the sudden appearance of diverse fossils in rocks of this age. During much of the Cambrian, Kentucky was covered by shallow seas and probably looked much like the Bahamas today (without the palm trees, sea gulls, and fish!). We know about the rocks from drilling into the earth for oil and natural gas. Cambrian rocks are exposed at the surface in many of the states around Kentucky, including Virginia and Tennessee . Trilobites and brachiopods are the most common fossils in these rocks.

    "I want to be in Kentucky when the end of the world comes, because it's always 20 years behind" -Mark Twain

    by vet on Thu Feb 12, 2009 at 05:20:58 PM PST

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