|
Core, section, interval (cm)
|
Depth (mbsf)
|
Piece
|
Unit
|
Mineral
|
Major element oxides (wt%) |
LOI
|
Volatiles (wt%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SiO2
|
TiO2
|
Al2O3
|
Fe2O3
|
MgO
|
MnO
|
CaO
|
Na2O
|
K2O
|
Total
|
CO2
|
H2O
|
||||||
| 209-1271B- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 11R-1, 66–67 | 56.16 | 13 | III | Plagioclase | 46.79 | 0.12 | 32.83 | 0.25 | 0.82 | 0.03 | 15.45 | 2.05 | 0.49 | 98.83 | NA | 0.05 | 0.90 |
| 11R-1, 66–67 | 56.16 | 13 | III | Brown amphibole | 51.47 | 1.61 | 5.45 | 6.17 | 19.91 | 0.20 | 12.56 | 2.25 | 0.09 | 99.72 | NA |
|
|
| 13R-1, 32–33 | 65.42 | 6 | III | Chromite | 15.71 | 0.18 | 17.22 | 18.63 | 20.67 | 0.19 | 0.08 | 0.12 | 0.06 | 72.88 | NA | 0.07 | 6.05 |
|
Core, section, interval (cm)
|
Depth (mbsf)
|
Piece
|
Unit
|
Mineral
|
Trace elements (ppm) |
(%)
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
S
|
Cr
|
Ni
|
Ba
|
Sr
|
V
|
Y
|
Zr
|
Sc
|
Co
|
||||||
| 209-1271B- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 11R-1, 66–67 | 56.16 | 13 | III | Plagioclase | 743 | <41 | <165 | 337 | 686.5 | 21.1 | 4 | 5 | 1 | <32 | An = 81 |
| 11R-1, 66–67 | 56.16 | 13 | III | Brown amphibole |
|
291 | 887 | <39 | 15.3 | 588.4 | 37 | 39 | 136 | 57 | Mg# = 86 |
| 13R-1, 32–33 | 65.42 | 6 | III | Chromite | 723 | 146,666 | 1,128 | <39 | 6.3 | 593.3 | <2 | 4 | 3 | 303 |
|
Notes: Only 19 mg of the 100-mg chromitite sample was dissolved. The high SiO2 content suggests that this sample also contained some silicate minerals in addition to chromite and other oxides. Mg# = 100 x (Mg/[Mg + Fe]) with all Fe as Fe2+. An = anorthite. NA = not analyzed, BDL = below detection limit. This table is also available in ASCII.