Fig. 2From: Identification and applicability of analogues for a safety case for a HLW repository in evaporites: results from a NEA workshopSEM images of ternary and quaternary Ra-bearing barite solid solutions (Metz et al. 2013). Left image (Ba,Sr,Ra)SO4(s) crystal in a precipitate sampled from a geothermal energy plant in Southern Germany; right image (Ba,Ca,Sr,Ra)SO4(s) crystal precipitated in pond #1 of the K’tziot desalination facility, Southern Israel (Metz et al. 2013)Back to article page