Garnet is a commonly occurring accessory mineral in many anorthosite plutons, and it is variably interpreted as a metamorphic, magmatic, or xenocrystic mineral. The Neoproterozoic Oddanchatram ...
The reason why continents mostly stand above sea level is believed to be that continental crust is lower in iron and more oxidized than oceanic crust. This makes continents more buoyant over the Earth ...
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