Core,
section, interval (cm):
|
35R-3,
74-78 |
43R-4,
129-133 |
43R-4,
129-133 |
44R-1,
35-47 |
63R-1,
106-107 |
63R-6,
98-106 |
63R-6,
98-106 |
64R-4,
66-70 |
66R-3,
128-132 |
66R-3,
128-132 |
68R-2,
68-75 |
70R-1,
39-49 |
71R-2,
115-125 |
84R-1,
88-98 |
87R-6,
31-41 |
92R-2,
49-53 |
92R-2,
49-53 |
163R-6,
15-20 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of
analyses:
|
2
|
1
|
3
|
4
|
1
|
3
|
1
|
1
|
2
|
2
|
2
|
2
|
1
|
3
|
2
|
1
|
1
|
2
|
Major element oxide (wt%): | ||||||||||||||||||
SiO2 | 52.58 | 51.42 | 53.43 | 52.88 | 53.35 | 53.48 | 52.94 | 53.90 | 53.35 | 53.48 | 53.73 | 53.01 | 53.22 | 52.15 | 52.89 | 53.27 | 53.36 | 52.93 |
TiO2 | 0.05 | 0.18 | 0.03 | 0.01 | 0.03 | 0.03 | 0.00 | 0.00 | 0.00 | 0.03 | 0.02 | 0.03 | 0.02 | 0.05 | 0.17 | 0.00 | 0.00 | 0.06 |
Al2O3 | 0.27 | 1.79 | 0.46 | 0.39 | 0.54 | 0.27 | 0.11 | 0.28 | 0.42 | 0.75 | 0.34 | 0.38 | 0.23 | 0.58 | 0.95 | 1.19 | 0.04 | 0.36 |
FeO | 8.20 | 11.29 | 6.44 | 7.36 | 5.67 | 6.68 | 10.01 | 5.00 | 6.01 | 7.43 | 6.75 | 8.45 | 6.50 | 9.54 | 6.26 | 4.37 | 8.09 | 8.52 |
Cr2O3 | 0.00 | 0.00 | 0.00 | 0.02 | 0.12 | 0.01 | 0.00 | 0.03 | 0.01 | 0.04 | 0.01 | 0.03 | 0.02 | 0.01 | 0.07 | 0.01 | 0.04 | 0.10 |
MnO | 0.22 | 0.08 | 0.09 | 0.12 | 0.03 | 0.13 | 0.17 | 0.04 | 0.07 | 0.10 | 0.16 | 0.16 | 0.06 | 0.15 | 0.16 | 0.15 | 0.01 | 0.62 |
MgO | 13.78 | 10.83 | 14.31 | 14.16 | 14.73 | 14.30 | 12.13 | 15.72 | 15.07 | 13.38 | 14.10 | 13.06 | 14.36 | 12.71 | 15.91 | 15.98 | 13.87 | 14.18 |
CaO | 22.27 | 23.26 | 24.02 | 23.54 | 24.62 | 24.46 | 23.68 | 24.60 | 23.93 | 23.72 | 23.80 | 23.42 | 24.45 | 23.87 | 22.61 | 24.47 | 24.05 | 22.29 |
Na2O | 1.96 | 0.37 | 0.45 | 0.66 | 0.20 | 0.30 | 0.29 | 0.23 | 0.34 | 0.47 | 0.35 | 0.55 | 0.32 | 0.28 | 0.27 | 0.33 | 0.15 | 0.69 |
Total: | 99.35 | 99.22 | 99.23 | 99.14 | 99.28 | 99.66 | 99.33 | 99.80 | 99.17 | 99.39 | 99.24 | 99.10 | 99.18 | 99.34 | 99.27 | 99.78 | 99.60 | 99.75 |
Number of ions based on 6 O: | ||||||||||||||||||
Si | 1.9831 | 1.9626 | 1.9950 | 1.9863 | 1.9846 | 1.9929 | 2.0063 | 1.9890 | 1.9889 | 1.9988 | 2.0057 | 1.9987 | 1.9917 | 1.9764 | 1.9656 | 1.9633 | 1.9980 | 1.9826 |
Ti | 0.0003 | 0.0011 | 0.0002 | 0.0001 | 0.0002 | 0.0002 | 0.0000 | 0.0000 | 0.0000 | 0.0001 | 0.0001 | 0.0002 | 0.0001 | 0.0003 | 0.0010 | 0.0000 | 0.0000 | 0.0004 |
AlIV | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 |
AlVI | 0.0120 | 0.0804 | 0.0201 | 0.0171 | 0.0237 | 0.0118 | 0.0049 | 0.0122 | 0.0182 | 0.0330 | 0.0148 | 0.0167 | 0.0101 | 0.0257 | 0.0416 | 0.0517 | 0.0016 | 0.0159 |
Al ions | 0.0120 | 0.0804 | 0.0201 | 0.0171 | 0.0237 | 0.0118 | 0.0049 | 0.0122 | 0.0182 | 0.0330 | 0.0148 | 0.0167 | 0.0101 | 0.0257 | 0.0416 | 0.0517 | 0.0016 | 0.0159 |
Fe+2 | 0.2585 | 0.3604 | 0.2010 | 0.2313 | 0.1762 | 0.2082 | 0.3172 | 0.1542 | 0.1873 | 0.2322 | 0.2107 | 0.2666 | 0.2035 | 0.3022 | 0.1945 | 0.1347 | 0.2532 | 0.2670 |
Cr | 0.0003 | 0.0000 | 0.0000 | 0.0010 | 0.0075 | 0.0008 | 0.0000 | 0.0019 | 0.0003 | 0.0025 | 0.0006 | 0.0021 | 0.0013 | 0.0009 | 0.0044 | 0.0003 | 0.0027 | 0.0064 |
Mn | 0.0071 | 0.0027 | 0.0027 | 0.0039 | 0.0009 | 0.0042 | 0.0055 | 0.0013 | 0.0021 | 0.0032 | 0.0051 | 0.0051 | 0.0019 | 0.0049 | 0.0049 | 0.0048 | 0.0002 | 0.0196 |
Mg | 0.7751 | 0.6161 | 0.7969 | 0.7929 | 0.8167 | 0.7941 | 0.6853 | 0.8648 | 0.8372 | 0.7456 | 0.7844 | 0.7344 | 0.8012 | 0.7182 | 0.8812 | 0.8779 | 0.7741 | 0.7918 |
Ca | 0.8998 | 0.9510 | 0.9609 | 0.9475 | 0.9812 | 0.9764 | 0.9614 | 0.9725 | 0.9555 | 0.9499 | 0.9517 | 0.9461 | 0.9803 | 0.9692 | 0.9002 | 0.9663 | 0.9646 | 0.8946 |
Na | 0.4233 | 0.0786 | 0.0974 | 0.1412 | 0.0421 | 0.0645 | 0.0643 | 0.0488 | 0.0730 | 0.1009 | 0.0764 | 0.1212 | 0.0691 | 0.0596 | 0.0564 | 0.0684 | 0.0325 | 0.1475 |
Total: | 3.9362 | 3.9742 | 3.9768 | 3.9801 | 3.9910 | 3.9886 | 3.9806 | 3.9958 | 3.9895 | 3.9654 | 3.9730 | 3.9699 | 3.9900 | 3.9978 | 3.9934 | 3.9989 | 3.9944 | 3.9782 |
En | 40.1 | 32.0 | 40.7 | 40.2 | 41.4 | 40.1 | 34.9 | 43.4 | 42.3 | 38.7 | 40.3 | 37.7 | 40.4 | 36.1 | 44.6 | 44.4 | 38.9 | 40.5 |
Fe | 13.4 | 18.7 | 10.3 | 11.7 | 8.9 | 10.5 | 16.2 | 7.7 | 9.5 | 12.0 | 10.8 | 13.7 | 10.3 | 15.2 | 9.8 | 6.8 | 12.7 | 13.7 |
Wo | 46.5 | 49.3 | 49.1 | 48.1 | 49.7 | 49.3 | 49.0 | 48.8 | 48.3 | 49.3 | 48.9 | 48.6 | 49.4 | 48.7 | 45.6 | 48.8 | 48.4 | 45.8 |
Mg# | 75.0 | 63.1 | 79.9 | 77.5 | 82.3 | 79.2 | 68.4 | 84.9 | 81.7 | 76.3 | 78.8 | 73.4 | 79.7 | 70.4 | 81.9 | 86.7 | 75.4 | 74.8 |