Table T7. Major element composition obtained by electron microprobe analyses of fused beads, Site 1097.

Core, section,
interval (cm)
Depth (mbsf)
LOI (wt%)
SiO2 (wt%)
TiO2 (wt%)
Al2O3 (wt%)
FeO (wt%)
MnO (wt%)
MgO (wt%)
CaO (wt%)
Na2O (wt%)
K2O (wt%)
P2O5 (wt%)
Total (wt%)
178-1097A-












9R-1, 6-10 72.86 3.05 64.44 0.80 16.53 5.79 0.12 2.61 4.21 3.43 1.93 0.23 100.08
27R-1, 101-102 218.31 5.03 66.81 0.85 14.80 6.06 0.16 2.99 3.98 2.38 1.81 0.15 99.99
35R-1, 142-144 295.32 2.83 68.96 0.73 14.86 4.46 0.09 2.13 4.25 2.48 1.45 0.15 99.55
44R-1, 98-100 362.18 2.66 67.80 0.76 15.98 4.89 0.10 2.19 4.81 2.25 1.28 0.37 100.44