2017-05-07, 00:41
New theory on how Earth's crust was created
Conventional theory holds that all of the early Earth's crustal ingredients were formed by volcanic activity. Now, however, earth scientists have published a theory with a novel twist: some of the chemical components of this material settled onto Earth's early surface from the steamy atmosphere that prevailed at the time.
http://feeds.sciencedaily.com/~r/science...121013.htm
Conventional theory holds that all of the early Earth's crustal ingredients were formed by volcanic activity. Now, however, earth scientists have published a theory with a novel twist: some of the chemical components of this material settled onto Earth's early surface from the steamy atmosphere that prevailed at the time.
http://feeds.sciencedaily.com/~r/science...121013.htm