Does Mars provides an alternative simpler geological history to that of Earth? What would the Earth look like if it had no crust, but rather just cooled down mantle? Like Mars, with olivine, feldspar etc. as detected on Mars’ surface by Curiosity foot pad analysis? Would such scenario of just cooled down mantle seem consistent with the homogeneity of walls of Vallis Marinaris? So does Mars appear to have had no tectonic plate motion resultant effect, such as subduction etc.; thus no resultant lighter weight continent formation?
December 22, 2012
Mars’ alternative geological history
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