WE DISCOVERED THAT THE ARAMBOL/HARMAL FRESHWATER LAKE ECOSYSTEM IS LOCATED INSIDE AN EXTINCT VOLCANIC CALDERA

USING MICROBIAL PROXIES LIKE ACIDOTHIOBACILLUS FERROXIDANS WE SPECULATE THAT THE ARAMBOL-HARMAL FRESHWATER ECOSYSTEM IS ACTUALLY INSIDE A DEAD AND ERODED, EXTINCT VOLCANIC CALDERA