From Viterbo Hot Springs – More Aragonite Pearls (of wisdom), And Some Calcite Too – Do Nannos Rule?

The following are a few of the most interesting pictures from continued work on the hot springs of Viterbo, mostly done since the original papers (Folk, 1993; 1994) with many partners in the field and at the SEM. They should reinforce the nannobacterial story on the precipitation of carbonate minerals.