From: The Oeschinensee rock avalanche, Bernese Alps, Switzerland: a co-seismic failure 2300 years ago?
Major elements (weight %) | Oesch 1 | Oesch 2 | Oesch 3 | Oesch 4 | Oesch 5 | Oesch 7 | Oesch 13 |
---|---|---|---|---|---|---|---|
SiO2 | 1.10 | 1.78 | 4.42 | 1.24 | 1.03 | 2.31 | 2.27 |
AL2O3 | 0.22 | 0.30 | 0.93 | 0.27 | 0.14 | 0.54 | 0.86 |
FE2O3 total | 0.13 | 0.21 | 0.47 | 0.37 | 0.10 | 0.29 | 0.41 |
MnO | < 0.01 | < 0.01 | 0.01 | 0.01 | < 0.01 | < 0.01 | < 0.01 |
MgO | 1.12 | 6.39 | 5.49 | 0.58 | 1.00 | 3.56 | 4.10 |
CaO | 53.50 | 46.20 | 45.90 | 53.70 | 54.70 | 50.20 | 47.70 |
Na2O | < 0.10 | < 0.10 | < 0.10 | < 0.10 | < 0.10 | < 0.10 | < 0.10 |
K2O | 0.03 | 0.06 | 0.20 | 0.04 | <0.01 | 0.13 | 0.20 |
TiO2 | 0.02 | 0.02 | 0.04 | 0.02 | 0.01 | 0.04 | 0.04 |
P2O3 | 0.03 | 0.03 | < 0.01 | < 0.01 | 0.02 | 0.07 | 0.01 |
Trace elements (ppm) | |||||||
B | 5 | 10 | 5 | 5 | 5 | 5 | 10 |
Gd | 0.45 | 0.46 | 0.36 | 2.32 | 0.57 | 0.56 | 0.29 |
Sm | 0.3 | 0.3 | 0.4 | 2.0 | 0.4 | 0.4 | 0.4 |
Th | < 0.1 | 0.1 | 0.3 | 1.5 | < 0.1 | 0.2 | 0.3 |
U | 1.83 | 2.01 | 2.48 | 1.05 | 1.08 | 2.01 | 1.71 |