https://books.google.com/books?id=QDU7AAAAIAAJ&pg=PA152&hl=en#v=onepage&q&f=false
So, to determine how much heat was released when these compounds formed, given we can assume specific rates of reaction, we must find their enthalpies of formation. This will tell us how hot the Earth really was when these reactions were taking place, and can set a lower limit on how much atmosphere was needed to shield the reactions from outside influences. It is predicted that the Earth was a much larger gas giant, and even a fully ionized star at one point, this is just one step to the process of reverse engineering. Here are iron/calcium/magnesium pyroxenes and their chemical makeups:
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Helpful comments will be appreciated, but if the user does not want to address the issues being presented they will be ignored. This is a blog dedicated to trying to explain how to make sense of the discovery that planet formation is star evolution itself, not a blog for false mainstream beliefs.