tephra SiO2 TiO2 Al2O3 FeO MnO MgO CaO Na2O K2O total Ref OMH-185 (Microlite) Tephra 75.55 0.23 12.46 1.47 0.01 0.09 0.84 4.06 3.72 98.43 1634 OMH-185 (Microlite) Tephra 75.17 0.14 12.29 1.69 0.05 0.06 0.72 3.71 3.83 97.66 1634 OMH-185 (Microlite) Tephra 74.63 0.18 12.66 1.70 0.13 0.10 0.76 3.75 3.95 97.86 1634 OMH-185 (Microlite) Tephra 74.53 0.21 12.34 1.52 0.04 0.09 0.78 3.61 3.59 96.71 1634 OMH-185 (Microlite) Tephra 74.33 0.18 11.80 1.26 0.00 0.04 0.59 3.70 3.92 95.82 1634 OMH-185 (Microlite) Tephra 74.16 0.16 11.67 1.36 0.06 0.05 0.66 3.62 4.83 96.57 1634 OMH-185 (Microlite) Tephra 73.79 0.22 12.17 1.62 0.07 0.13 0.83 3.98 3.63 96.44 1634 OMH-185 (Microlite) Tephra 73.77 0.08 11.84 1.31 0.00 0.05 0.50 3.56 3.98 95.09 1634 OMH-185 (Microlite) Tephra 72.02 0.10 13.33 1.07 0.00 0.03 0.94 4.99 3.31 95.79 1634 ------------------------------------------------------------------------ 1634: Langdon, P.G. and Barber, K.E. (2001) New Holocene tephras and a proxy climate record from a blanket mire in northern Skye, Scotland. Journal of Quaternary Science 16, 753-759..