Raising the continental crust
The changes that occur at the boundary between the Archean and Proterozoic eons are arguably the most fundamental to affect the evolution of Earth's continental crust. The principal component of Archean continental crust is Granite–Greenstone Terranes (GGTs), with granites always dominant. The greenstones consist of a lower sequence of submarine komatiites and basalts, which erupted onto a pre-existing Tonalite–Trondhjemite–Granodiorite (TTG) crust. These basaltic rocks pass upwards initially...[Show more]
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|Source:||Earth and Planetary Science Letters|
|01_Campbell_Raising_the_continental_crust_2017.pdf||1.33 MB||Adobe PDF||Request a copy|
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