|
206-1256D-
|
||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Core, section, interval (cm):
|
2R-1, 87-92
|
4R-3, 78-81
|
4R-4, 76-80
|
5R-4, 8-12
|
6R-5, 104-108
|
7R-3, 88-92
|
8R-2, 64-68
|
9R-2, 10-13
|
10R-2, 30-34
|
11R-3, 34-38
|
12R-7, 86-90
|
Piece:
|
1F
|
1A
|
1B
|
1
|
4
|
2D
|
2B
|
1A
|
1A
|
1A
|
1C
|
Unit/Subunit:
|
1a
|
1b
|
1c
|
1c
|
1c
|
1c
|
1c
|
1c
|
1c
|
1c
|
1d
|
Depth (mbsf):
|
276.97
|
288.48
|
289.82
|
293.88
|
300.75
|
307.56
|
315.37
|
324.09
|
329.19
|
334.88
|
349.97
|
Major element (wt%): |
|
|
|
|
|
|
|
|
|
|
|
SiO2 | 50.33 | 51.14 | 50.07 | 51.00 | 51.30 | 51.24 | 51.14 | 49.82 | 50.17 | 49.76 | 50.06 |
TiO2 | 2.15 | 1.88 | 3.00 | 2.00 | 1.86 | 1.92 | 1.79 | 1.71 | 1.72 | 1.76 | 1.84 |
Al2O3 | 12.70 | 13.08 | 11.60 | 13.21 | 13.13 | 12.92 | 13.29 | 13.04 | 13.52 | 13.58 | 12.91 |
Fe2O3 | 15.55 | 14.58 | 18.47 | 14.73 | 14.57 | 14.35 | 13.86 | 13.78 | 13.43 | 13.86 | 15.23 |
MnO | 0.20 | 0.19 | 0.21 | 0.20 | 0.17 | 0.17 | 0.21 | 0.19 | 0.18 | 0.17 | 0.18 |
MgO | 5.98 | 6.10 | 4.76 | 5.89 | 5.85 | 6.25 | 6.07 | 6.67 | 6.82 | 6.43 | 6.28 |
CaO | 9.42 | 9.57 | 8.39 | 9.87 | 9.62 | 9.82 | 9.94 | 10.39 | 10.85 | 10.82 | 10.15 |
Na2O | 2.76 | 2.64 | 2.77 | 2.72 | 2.62 | 2.45 | 2.62 | 2.59 | 2.62 | 2.71 | 2.38 |
K2O | 0.12 | 0.14 | 0.17 | 0.14 | 0.14 | 0.20 | 0.13 | 0.10 | 0.06 | 0.09 | 0.05 |
P2O5 | 0.21 | 0.19 | 0.24 | 0.15 | 0.13 | 0.15 | 0.16 | 0.13 | 0.14 | 0.14 | 0.15 |
Trace element (ppm): |
|
|
|
|
|
|
|
|
|
|
|
Sc | 45 | 45 | 49 | 46 | 48 | 47 | 47 | 43 | 45 | 46 | 45 |
V | 450 | 430 | 608 | 441 | 433 | 414 | 411 | 396 | 400 | 400 | 404 |
Cr | 32 | 27 | 2 | 34 | 43 | 70 | 88 | 96 | 126 | 113 | 82 |
Ni | 41 | 39 | 31 | 39 | 50 | 49 | 59 | 58 | 64 | 55 | 50 |
Sr | 103 | 104 | 105 | 100 | 110 | 105 | 103 | 95 | 97 | 99 | 96 |
Y | 48 | 45 | 62 | 38 | 42 | 45 | 41 | 34 | 35 | 35 | 40 |
Zr | 138 | 115 | 175 | 123 | 119 | 117 | 116 | 111 | 100 | 105 | 111 |
Nb | 5.1 | 3.8 | 7.8 | 4.4 | 4.2 | 4.2 | 3.9 | 3.4 | 3.2 | 3.4 | 3.9 |
Ba | 17 | 16 | 24 | 20 | 314 | 227 | 14 | 8 | 8 | 10 | 7 |
LOI (wt%) | 0.5 | 0.4 | 0.2 | 0.0 | 0.5 | 0.4 | 0.7 | 1.5 | 0.4 | 0.6 | 0.7 |
Mg# | 45.8 | 47.9 | 36.2 | 46.8 | 46.9 | 49.0 | 49.1 | 51.6 | 52.8 | 50.5 | 47.6 |
Notes: ND = not detected. ICP-AES = inductively coupled plasma-atomic emission spectroscopy. Mg# = (MgO/40.305)/[(MgO/40.305) + 0.9 x 2 x (Fe2O3/159.694)] x 100. Only a portion of this table appears here. The complete table is also available in ASCII.