Core,
section, interval (cm):
|
37R-2,
113-117 |
42R-3,
27-31 |
43R-4,
129-133 |
44R-1,
35-47 |
44R-1,
35-47 |
47R-2
92-100 |
57R-3,
124-130 |
57R-4,
123-133 |
60R-4,
112-120 |
63R-1,
106-107 |
63R-6,
98-106 |
64R-2,
100-105 |
67R-2,
113-125 |
68R-2,
68-75 |
120R-1,
85-91 |
122R-4,
0-5 |
138R-4,
59-63 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of
analyses:
|
2
|
1
|
1
|
2
|
1
|
3
|
1
|
1
|
1
|
3
|
1
|
2
|
2
|
2
|
1
|
1
|
1
|
Major element oxide (wt%): | |||||||||||||||||
SiO2 | 38.37 | 38.41 | 38.43 | 38.25 | 38.77 | 38.10 | 37.93 | 38.23 | 37.79 | 38.38 | 38.58 | 38.74 | 38.20 | 38.75 | 38.71 | 38.11 | 38.29 |
TiO2 | 0.07 | 0.09 | 0.06 | 0.04 | 0.10 | 0.07 | 0.04 | 0.01 | 0.06 | 0.07 | 0.06 | 0.10 | 0.11 | 0.04 | 0.07 | 0.37 | 0.14 |
Al2O3 | 27.58 | 29.42 | 28.06 | 27.27 | 29.68 | 28.30 | 29.88 | 27.37 | 29.10 | 29.11 | 30.59 | 30.73 | 29.07 | 29.59 | 26.47 | 24.55 | 25.41 |
Fe2O3 | 6.70 | 4.95 | 6.52 | 7.44 | 4.10 | 6.00 | 4.72 | 7.63 | 5.71 | 5.28 | 3.62 | 3.14 | 6.35 | 5.06 | 8.26 | 9.07 | 8.86 |
MnO | 0.04 | 0.23 | 0.02 | 0.08 | 0.17 | 0.06 | 0.28 | 0.05 | 0.08 | 0.16 | 0.11 | 0.16 | 0.17 | 0.18 | 0.07 | 0.00 | 0.18 |
MgO | 0.00 | 0.00 | 0.00 | 0.01 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.05 | 0.00 | 0.00 | 0.07 | 0.13 | 0.01 |
CaO | 23.85 | 23.34 | 23.33 | 23.37 | 23.64 | 23.44 | 23.02 | 23.05 | 23.68 | 23.34 | 24.27 | 24.28 | 23.44 | 23.03 | 24.07 | 23.87 | 24.16 |
Total: | 98.53 | 98.36 | 98.35 | 98.37 | 98.46 | 97.88 | 97.77 | 98.24 | 98.34 | 98.28 | 97.23 | 97.19 | 97.34 | 96.63 | 97.72 | 96.09 | 97.05 |
Number of ions based on 12.5 O: | |||||||||||||||||
Si | 3.0212 | 3.0055 | 3.0227 | 3.0205 | 3.0225 | 3.0095 | 2.9826 | 3.0201 | 2.9711 | 3.0089 | 2.9860 | 2.9944 | 2.9775 | 3.0202 | 3.0322 | 3.0502 | 3.0339 |
Ti | 0.0040 | 0.0052 | 0.0038 | 0.0026 | 0.0058 | 0.0039 | 0.0026 | 0.0008 | 0.0038 | 0.0040 | 0.0035 | 0.0058 | 0.0062 | 0.0021 | 0.0044 | 0.0224 | 0.0081 |
AlIV | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0060 | 0.0174 | 0.0000 | 0.0289 | 0.0002 | 0.0140 | 0.0056 | 0.0225 | 0.0000 | 0.0000 | 0.0000 | 0.0000 |
AlVI | 2.5594 | 2.7130 | 2.6010 | 2.5382 | 2.7268 | 2.6285 | 2.7515 | 2.5489 | 2.6671 | 2.6893 | 2.7763 | 2.7933 | 2.6479 | 2.7176 | 2.4427 | 2.3156 | 2.3727 |
Al ions | 2.5594 | 2.7130 | 2.6010 | 2.5382 | 2.7268 | 2.6345 | 2.7689 | 2.5489 | 2.6960 | 2.6895 | 2.7903 | 2.7989 | 2.6705 | 2.7176 | 2.4427 | 2.3156 | 2.3727 |
Fe+3 | 0.3972 | 0.2915 | 0.3858 | 0.4423 | 0.2402 | 0.3564 | 0.2791 | 0.4537 | 0.3376 | 0.3114 | 0.2108 | 0.1829 | 0.3725 | 0.2965 | 0.4876 | 0.5463 | 0.5282 |
Mn | 0.0026 | 0.0155 | 0.0016 | 0.0056 | 0.0115 | 0.0040 | 0.0186 | 0.0032 | 0.0051 | 0.0108 | 0.0072 | 0.0105 | 0.0112 | 0.0116 | 0.0043 | 0.0000 | 0.0123 |
Mg | 0.0000 | 0.0000 | 0.0000 | 0.0008 | 0.0071 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0016 | 0.0000 | 0.0058 | 0.0000 | 0.0000 | 0.0078 | 0.0154 | 0.0016 |
Ca | 2.0122 | 1.9565 | 1.9655 | 1.9769 | 1.9746 | 1.9832 | 1.9392 | 1.9513 | 1.9948 | 1.9607 | 2.0124 | 2.0108 | 1.9573 | 1.9230 | 2.0195 | 2.0467 | 2.0509 |
Total: | 7.9967 | 7.9873 | 7.9804 | 7.9869 | 7.9884 | 7.9914 | 7.9910 | 7.9780 | 8.0085 | 7.9869 | 8.0102 | 8.0091 | 7.9951 | 7.9709 | 7.9985 | 7.9967 | 8.0077 |