Early Earth less Hellish than previously thought | #Geology - TopicsExpress



          

Early Earth less Hellish than previously thought | #Geology #GeologyPage Conditions on Earth for the first 500 million years after it formed may have been surprisingly similar to the present day, complete with oceans, continents and active crustal plates. This alternate view of Earths first geologic eon, called the Hadean, has gained substantial new support from the first detailed comparison of zircon crystals that formed more than 4 billion years ago with those formed contemporaneously in Iceland, which has been proposed as a possible geological analog for early Earth. Read more : geologypage/2014/09/early-earth-less-hellish-than.html Geology Page geologypage
Posted on: Thu, 02 Oct 2014 10:00:01 +0000

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