Mass Extinctions, Ancient Viruses May Hold Clues to Life`s Origins
(PhysOrg.com) --
Mass extinctions occur repeatedly, though irregularly, throughout Earth`s history, and occasionally these extinctions have been devastating to life on our planet - or have they? Extinction events have sometimes accelerated the evolution of life on earth by eliminating old dominating species and making room for new ones. A new study takes this idea a step further, showing that ...
Showing posts with label meteorite impact. Show all posts
Showing posts with label meteorite impact. Show all posts
24 March 2009
Impact Geology Drilling Project in Siberia update 23MAR09
Seeking Earth`s Past by Drilling in Remote Arctic
Kansas City InfoZine Mon, 23
Mar 2009 03:01 AM PDT
In mid-March, drilling by paleoclimatologists to retrieve sediment and meteorite-impact rocks from remotest Siberia reached about 213 feet (65 m), about 1 million years into the past. They hope to retrieve the longest continuous climate data ever collected for the Arctic, over 3.6 million years.
Kansas City InfoZine Mon, 23
Mar 2009 03:01 AM PDT
In mid-March, drilling by paleoclimatologists to retrieve sediment and meteorite-impact rocks from remotest Siberia reached about 213 feet (65 m), about 1 million years into the past. They hope to retrieve the longest continuous climate data ever collected for the Arctic, over 3.6 million years.
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