Table 6 Averaged characteristics of sediments from Owens Lake OL-92 drill hole. Values are reported as mean ± 1s CaCO3 12.5 ± 10.9 % org C 0.92 ± 0.87 % CEC (cfb)* 32.7± 6.8 meq/100g grain density 2.63±0.05 g/cc * Cation exchange capacity for clay-size fraction on a carbonate-free basis