megacrystal

alkali feldspar phenocrysts in monzogranite — Sant'Andrea is an open-air museum of igneous geology.

What are the white ‘stones’ nestled in the rocks of Sant’Andrea (Elba)?

s.papeschi
08/01/202209/01/2022
On the rocks

I was a student the first time I visited the outcrops of Sant’Andrea in the far 2011. We must have looked really weird: a class… Read More »What are the white ‘stones’ nestled in the rocks of Sant’Andrea (Elba)?

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