Hole:
|
184-1148A-
|
|||
---|---|---|---|---|
Core, section,
interval (cm): |
2H-6,
26-28 |
2H-6,
31-33 |
6H-3,
119-21 |
6H-3,
121-123 |
Color:
|
Normal
|
Green
|
Normal
|
Green
|
Major element oxides (wt%): |
|
|
||
SiO2 | 56.76 | 56.04 | 47.10 | 47.15 |
TiO2 | 0.66 | 0.68 | 0.66 | 0.64 |
Al2O3 | 16.66 | 16.50 | 15.09 | 14.84 |
Fe2O3 | 3.11 | 4.48 | 4.19 | 4.38 |
FeO | 2.22 | 2.09 | 1.86 | 1.87 |
MnO | 0.14 | 0.17 | 0.29 | 0.28 |
MgO | 2.72 | 2.87 | 2.90 | 2.91 |
CaO | 2.54 | 2.08 | 9.36 | 9.28 |
Na2O | 3.32 | 3.28 | 2.15 | 2.12 |
K2O | 3.25 | 3.28 | 2.65 | 2.68 |
P2O5 | 0.12 | 0.11 | 0.16 | 0.14 |
LOI (wt%): | 8.15 | 8.12 | 13.70 | 13.61 |
Total (wt%): | 99.65 | 99.71 | 100.11 | 99.90 |
Trace elements (ppm): |
|
|
||
Ba | 890 | 864 | 553 | 528 |
Cr | 74 | 77 | 78 | 81 |
Cu | 96 | 74 | 18 | 16 |
Nb | 12 | 13 | 12 | 12 |
Ni | 69 | 80 | 58 | 63 |
Pb | <7 | <7 | <7 | <7 |
Rb | 140 | 143 | 113 | 118 |
Sr | 215 | 191 | 389 | 385 |
V | 134 | 130 | 124 | 124 |
Y | 26 | 27 | 26 | 25 |
Zn | 113 | 123 | 100 | 98 |
Zr | 141 | 141 | 133 | 133 |
Total: | 0.19 | 0.19 | 0.16 | 0.16 |
Fe total (%): | 5.58 | 6.81 | 6.26 | 6.46 |
TOC (wt%): | 0.43 | 0.29 | 0.25 | 0.24 |
Notes: LOI = loss on ignition, TOC = total organic carbon. Fe total = Fe2O3. XRF = X-ray fluorescence. Bold entries are major element oxides and trace elements used in the text to underline differences between GCL and host sediments.