Table T4. Shore-based DCP-AES major and trace elements analysis of metabasic rocks recovered from the Leg 125 Holes 778A and 779A.
 
 
125-778A-
 
125-779A-
Core, section 
interval (cm):
 
11R-1
6–8
74R-1
16–20
7R-1
1–3
8R-1
3–4
7R-1
1–3
 
31R-2
100–102
31R-1
117–119
Major element oxide (wt%):
SiO2   49.10 50.02 52.78 46.88 53.66   41.51 47.05
Al2O3   9.70 12.65 12.55 5.85 12.61   14.43 0.31
Fe2O3T   11.44 12.53 11.86 3.02 11.82   12.05 7.68
MgO   7.85 10.77 7.10 37.43 6.92   7.46 44.66
MnO   0.17 0.18 0.17 0.28 0.19   0.19 0.15
CaO   9.06 9.37 7.12 3.12 7.16   22.78 0.34
K2O   0.86 0.63 0.59 0.03 0.38   0.06 0.03
Na2O   2.90 1.98 2.79 0.99 5.06   0.19 0.14
TiO2   1.12 1.85 2.44 0.41 2.44   1.33 0.00
Totals:   99.64 100.58 100.24 98.02 100.24   100.00 100.32
Trace element (ppm):
Sr   52.5 56.6 50.6 35.9 51.2   62.1 106
Ba   52.7 35.7 37.4 24.3 37.4   105.1 264.7
Ni   1066 183 45.2 14.2     54.0 1959
Sc   24.2 23.6 23.3 26.2 35.2   56.1 4.8
Cr   1001 118.7 42.7   50.2   202 2274
V   250 312 356 115 383   336 24.5
Zn   116 125 109 234 123   181 83.3
Cu   56 21 38 564 61   86 5
Co   61 54 53 75 53   68