|
Title: 4.6-2.5 billion yrs ago. very hot, limited crust, greenstone formation, oxygen free atmoshphere, ... Post by: cloveb on Jan 10, 2017 4.6-2.5 billion yrs ago. very hot, limited crust, greenstone formation, oxygen free atmoshphere, first felsic crust → Acadia
a) True b) False Title: Re: 4.6-2.5 billion yrs ago. very hot, limited crust, greenstone formation, oxygen free atmoshphere, ... Post by: bolbol on Feb 27, 2017 Content hidden
|