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Sampling the hydromagnesite-magnesite playas near Atlin, British Columbia, Canada in 2012

 
 

Atlin hydromagnesite-magnesite playas, viewed from a helicopter

Hydromagnesite plates with magnesite crystals wedged inbetween

Testing for magnesium carbonate using dilute HCl acid

Sample mine tailings in British Columbia

Carbonate crust cementing Mount Keith mine tailings

Sampling in hydromagnesite-magnesite playas

Reactor vessels incubated in a carbonate wetland

Bacterium growing on mine wastes from Peru