Core,
section,
interval (cm): |
135R-3,
68-72 |
135R-3,
68-72 |
135R-3,
68-72 |
137R-1,
45-49 |
137R-4,
112-116 |
137R-4,
112-116 |
137R-4,
112-116 |
138R-4,
59-63 |
141R-1,
50-55 |
149R-4,
82-87 |
149R-4,
82-87 |
161R-2,
114-119 |
161R-2,
114-119 |
161R-2,
114-119 |
163R-6,
15-20 |
168R-2,
140-146 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of
analyses:
|
1
|
1
|
1
|
3
|
4
|
1
|
1
|
4
|
1
|
1
|
1
|
3
|
1
|
1
|
3
|
2
|
Major element oxide (wt%): | ||||||||||||||||
SiO2 | 37.51 | 37.32 | 37.37 | 37.10 | 37.44 | 36.30 | 35.37 | 37.72 | 37.38 | 38.44 | 37.77 | 36.45 | 37.30 | 36.73 | 37.15 | 37.39 |
TiO2 | 3.95 | 4.29 | 4.25 | 4.66 | 4.60 | 2.83 | 4.24 | 4.15 | 3.67 | 0.28 | 3.82 | 4.19 | 1.27 | 3.18 | 3.84 | 3.69 |
Al2O3 | 12.08 | 12.21 | 11.95 | 12.27 | 12.19 | 13.07 | 11.88 | 11.88 | 12.39 | 13.18 | 12.29 | 12.41 | 12.67 | 12.22 | 12.48 | 12.28 |
FeO | 21.16 | 21.12 | 20.02 | 20.48 | 19.94 | 25.59 | 24.47 | 20.04 | 17.89 | 18.96 | 20.07 | 21.68 | 20.77 | 21.23 | 18.50 | 18.23 |
MnO | 0.09 | 0.21 | 0.08 | 0.08 | 0.13 | 0.15 | 0.14 | 0.20 | 0.12 | 0.05 | 0.10 | 0.09 | 0.07 | 0.10 | 0.12 | 0.21 |
MgO | 11.95 | 11.38 | 12.32 | 11.82 | 12.03 | 8.57 | 8.14 | 12.56 | 14.51 | 15.18 | 12.27 | 10.94 | 13.09 | 10.88 | 13.50 | 14.26 |
CaO | 0.01 | 0.09 | 0.05 | 0.00 | 0.07 | 0.01 | 1.10 | 0.04 | 0.07 | 0.00 | 0.00 | 0.03 | 0.10 | 0.09 | 0.02 | 0.01 |
Na2O | 0.23 | 0.22 | 0.27 | 0.39 | 0.27 | 0.22 | 0.24 | 0.37 | 0.27 | 0.38 | 0.26 | 0.45 | 0.38 | 0.47 | 0.36 | 0.40 |
K2O | 9.15 | 9.18 | 8.67 | 8.97 | 9.07 | 8.70 | 8.56 | 8.89 | 9.21 | 8.58 | 8.86 | 8.73 | 8.71 | 8.58 | 9.03 | 9.03 |
BaO | 0.29 | 0.00 | 0.19 | 0.12 | 0.10 | 0.15 | 0.06 | 0.17 | 0.26 | 0.03 | 0.04 | 0.20 | 0.00 | 0.27 | 0.16 | 0.05 |
La2O3 | 0.12 | 0.00 | 0.14 | 0.09 | 0.06 | 0.05 | 0.14 | 0.07 | 0.25 | 0.00 | 0.00 | 0.09 | 0.00 | 0.04 | 0.22 | 0.09 |
Cl | 0.15 | 0.15 | 0.06 | 0.02 | 0.05 | 0.08 | 0.09 | 0.08 | 0.03 | 0.34 | 0.06 | 0.20 | 0.38 | 0.33 | 0.23 | 0.22 |
Total: | 96.54 | 96.03 | 95.30 | 95.98 | 95.90 | 95.64 | 94.35 | 96.09 | 96.01 | 95.08 | 95.48 | 95.26 | 94.35 | 93.79 | 95.41 | 95.63 |
Number of ions based on 22 (O, OH): | ||||||||||||||||
Si | 5.7313 | 5.7205 | 5.7363 | 5.6740 | 5.7117 | 5.7033 | 5.6520 | 5.7459 | 5.6642 | 5.8455 | 5.7690 | 5.6619 | 5.7974 | 5.7812 | 5.6803 | 5.6843 |
Ti | 0.4536 | 0.4946 | 0.4904 | 0.5362 | 0.5281 | 0.3349 | 0.5095 | 0.4756 | 0.4178 | 0.0321 | 0.4384 | 0.4894 | 0.1486 | 0.3770 | 0.4416 | 0.4217 |
AlIV | 2.1751 | 2.2054 | 2.1612 | 2.2118 | 2.1924 | 2.2967 | 2.2374 | 2.1337 | 2.2117 | 2.1545 | 2.2128 | 2.2724 | 2.2026 | 2.2188 | 2.2489 | 2.2001 |
AlVI | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.1229 | 0.0000 | 0.0000 | 0.0000 | 0.2072 | 0.0000 | 0.0000 | 0.1175 | 0.0484 | 0.0000 | 0.0000 |
Fe+2 | 2.7042 | 2.7072 | 2.5703 | 2.6184 | 2.5440 | 3.3613 | 3.2687 | 2.5530 | 2.2670 | 2.4102 | 2.5630 | 2.8158 | 2.6988 | 2.7941 | 2.3657 | 2.3177 |
Mn | 0.1199 | 0.2742 | 0.1065 | 0.1105 | 0.1674 | 0.1996 | 0.1933 | 0.2647 | 0.1497 | 0.0623 | 0.1348 | 0.1251 | 0.0873 | 0.1400 | 0.1614 | 0.2701 |
Mg | 2.7218 | 2.6005 | 2.8192 | 2.6940 | 2.7358 | 2.0078 | 1.9391 | 2.8516 | 3.2766 | 3.4407 | 2.7933 | 2.5345 | 3.0322 | 2.5527 | 3.0772 | 3.2307 |
Ca | 0.0024 | 0.0154 | 0.0080 | 0.0006 | 0.0114 | 0.0012 | 0.1877 | 0.0065 | 0.0120 | 0.0000 | 0.0000 | 0.0050 | 0.0173 | 0.0149 | 0.0038 | 0.0010 |
Na | 0.0689 | 0.0665 | 0.0804 | 0.1141 | 0.0813 | 0.0657 | 0.0753 | 0.1083 | 0.0804 | 0.1114 | 0.0777 | 0.1363 | 0.1135 | 0.1447 | 0.1079 | 0.1191 |
K | 1.7830 | 1.7951 | 1.6976 | 1.7494 | 1.7652 | 1.7432 | 1.7453 | 1.7271 | 1.7799 | 1.6646 | 1.7266 | 1.7309 | 1.7276 | 1.7223 | 1.7614 | 1.7521 |
Ba | 0.0353 | 0.0000 | 0.0228 | 0.0137 | 0.0115 | 0.0187 | 0.0081 | 0.0199 | 0.0305 | 0.0036 | 0.0043 | 0.0242 | 0.0000 | 0.0331 | 0.0195 | 0.0059 |
La | 0.0066 | 0.0000 | 0.0077 | 0.0053 | 0.0035 | 0.0031 | 0.0083 | 0.0041 | 0.0139 | 0.0000 | 0.0000 | 0.0052 | 0.0000 | 0.0025 | 0.0125 | 0.0048 |
Cl | 0.0388 | 0.0381 | 0.0146 | 0.0063 | 0.0133 | 0.0220 | 0.0239 | 0.0209 | 0.0081 | 0.0888 | 0.0150 | 0.0539 | 0.0992 | 0.0876 | 0.0608 | 0.0580 |
Total: | 15.8021 | 15.8794 | 15.7003 | 15.7281 | 15.7524 | 15.8584 | 15.8247 | 15.8905 | 15.9036 | 15.9321 | 15.7197 | 15.8007 | 15.9429 | 15.8296 | 15.8802 | 16.0075 |
Mg# | 50.2 | 49.0 | 52.3 | 50.7 | 51.8 | 37.4 | 37.2 | 52.8 | 59.1 | 58.8 | 52.1 | 47.4 | 52.9 | 47.7 | 56.5 | 58.2 |