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A blast of winter weather is arriving this week just as two area ski resorts are opening for the season. Hidden Valley Resort in Somerset County will welcome skiers today, Dec. 21, while Laurel Mountain Ski Area in Ligonier Township is set to open two days later. Both attractions are
Research into the deep biosphere requires an understanding of both the microbial community at a given site and the geochemical and hydrological factors that support that microbial community. To highlight the interplay between geochemistry and microbiology in these deep environments, we characterized the hydrogeologic and geochemical systems of a 2.7 Ga banded iron formation within the Canadian Shield in the Soudan Underground Mine State Park in Minnesota, USA, a site known to host a lithotrophic microbial community. Calcium-sodium-chloride brines, characteristic of deep groundwaters throughout...