Wednesday, May 20, 2009

'Oldest surface on Earth' ain't that old

The oldest surface on earth is a patch of 1.8 million-year-old natural "desert pavement" in Israel, according to a Hebrew University of Jerusalem study. (LiveScience) That's it? One-point-eight million years old? That means humanoids were already making tools when this surface was created. Right about the time the ancient desert pavement was created, homo erectus was leaving Africa. (Timeline here)

Pound360 thought parts of the Earth would be older. But we're wrong. The next-oldest patch of land, desert pavement in Nevada, is just one-fourth the age of the Israeli land.

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I started pound360 to channel my obsession with vitamins, running and the five senses. Eventually, I got bored focusing on all that stuff, so I came back from a one month hiatus in May of 2007 (one year after launching Pound360) and broadened my mumblings here to include all science.