Core, section, interval (cm)
|
Depth (mbsf)
|
Piece
|
Unit
|
Lithology
|
Major element oxides (wt%)
|
LOI
|
Volatiles (wt%)
|
||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2
|
TiO2
|
Al2O3
|
Fe2O3
|
MgO
|
MnO
|
CaO
|
Na2O
|
K2O
|
Total
|
CO2
|
H2O
|
||||||
209-1271A- |
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1R-1, 73–77 | 0.73 | 11 |
|
Dunite | 44.00 | <0.01 | 0.05 | 14.15 | 41.20 | 0.08 | <0.06 | 0.13 | 0.02 | 99.67 | 11.86 | 0.11 | 14.43 |
4R-2, 32–37 | 30.09 | 1 |
|
Dunite | 38.34 | 0.02 | 0.75 | 11.73 | 45.77 | 0.13 | <0.06 | 0.03 | 0.02 | 96.80 | 14.33 | 0.24 | 17.57 |
4R-2, 106–111 | 30.83 | 7B |
|
Dunite | 38.91 | 0.02 | 0.99 | 11.06 | 46.16 | 0.16 | <0.06 | 0.06 | 0.03 | 97.40 | 14.90 | 0.27* | 14.94* |
209-1271B- |
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5R-1, 19–23 | 27.89 | 4 | I | Brown amphibole gabbro | 48.26 | 3.33 | 16.15 | 4.66 | 12.58 | 0.22 | 11.68 | 2.34 | 0.87 | 100.09 | 1.74 | 0.13 | 2.30 |
8R-1, 39–43 | 41.09 | 9 | I | Gabbro | 47.19 | 0.77 | 15.70 | 10.06 | 10.16 | 0.30 | 12.43 | 1.85 | 0.09 | 98.54 | 2.59 | 0.13 | 3.45 |
8R-1, 65–68 | 41.35 | 14 | I | Dunite | 41.33 | 0.01 | 0.73 | 11.16 | 43.41 | 0.14 | <0.06 | 0.04 | 0.01 | 96.83 | 13.96 | 0.25 | 15.92 |
10R-1, 109–112 | 51.59 | 19 | II | Harzburgite | 43.25 | <0.01 | 0.46 | 9.77 | 42.52 | 0.07 | 2.11 | 0.06 | <0.01 | 98.24 | 13.87 | 1.54 | 14.69 |
12R-1, 134–139 | 61.44 | 21 | III | Impregnated dunite | 45.92 | 0.09 | 3.35 | 9.23 | 35.63 | 0.14 | 3.51 | 0.53 | 0.02 | 98.42 | 8.64 | 0.21 | 10.47 |
17R-1, 105–110 | 85.55 | 16 | III | Harzburgite | 42.48 | 0.02 | 0.39 | 9.19 | 45.78 | 0.08 | 0.15 | 0.03 | <0.01 | 98.13 | 13.74 | 0.30 | 16.26 |
17R-1, 107–109 | 85.57 | 16 | III | Harzburgite | 42.71 | 0.02 | 0.43 | 7.71 | 46.50 | 0.10 | 0.07 | 0.05 | <0.01 | 97.60 | 14.16 | 0.27 | 17.49 |
Core, section, interval (cm)
|
Depth (mbsf)
|
Piece
|
Unit
|
Lithology
|
Trace elements (ppm) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
S
|
Cr
|
Ni
|
Ba
|
Sr
|
V
|
Y
|
Zr
|
Sc
|
Co
|
|||||
209-1271A- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1R-1, 73–77 | 0.73 | 11 |
|
Dunite | 762 | 50 | 2849 | <39 | 5 | 6.3 | <2 | 3 | 3.2 | 191 |
4R-2, 32–37 | 30.09 | 1 |
|
Dunite | NA | 9123 | 2245 | <39 | <5 | 36.3 | <2 | 5 | 4.8 | 160 |
4R-2, 106–111 | 30.83 | 7B |
|
Dunite | NA | 7037 | 2090 | <39 | <5 | 30.2 | <2 | <2 | 5.6 | 124 |
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209-1271B- |
|
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|
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|
|
|
|
5R-1, 19–23 | 27.89 | 4 | I | Brown amphibole gabbro | NA | 69 | 598 | 498 | 279 | 390.4 | 48 | 122 | 60.2 | 115 |
8R-1, 39–43 | 41.09 | 9 | I | Gabbro | 758 | 640 | 223 | 65 | 84 | 238.7 | 19 | 40 | 37.2 | 48 |
8R-1, 65–68 | 41.35 | 14 | I | Dunite | 981 | 6075 | 2737 | 139 | <5 | 34.7 | <2 | 2 | 5.8 | 143 |
10R-1, 109–112 | 51.59 | 19 | II | Harzburgite | 875 | 2711 | 2952 | <39 | 290 | 33.1 | <2 | 2 | 8.2 | 126 |
12R-1, 134–139 | 61.44 | 21 | III | Impregnated dunite | 1075 | 3559 | 1792 | <39 | 6 | 88.3 | 16 | 35 | 19.7 | 101 |
17R-1, 105–110 | 85.55 | 16 | III | Harzburgite | 1330 | 2536 | 2599 | <39 | <5 | 24.3 | <2 | <2 | 6.0 | <32 |
17R-1, 107–109 | 85.57 | 16 | III | Harzburgite | 1269 | 2865 | 2690 | <39 | <5 | 26.2 | <2 | <2 | 5.8 | <32 |
Notes: * = analyzed using smaller sample sizes for improved H2O calibration. NA = not analyzed. This table is also available in ASCII.