Table 2. Representative electron microprobe celadonite analyses.
Hole, core,
section: |
1027C-
4R-1 |
1027C-
4R-1 |
1027C-
4R-1 |
1027C-
4R-1 |
1026B-
2R-1 |
1026B-
2R-1 |
---|---|---|---|---|---|---|
Piece: | 18 | 18 | 18 | 15 | 1 | 1 |
Interval (cm): | 114-118 | 114-118 | 114-118 | 93-96 | 0-3 | 0-3 |
Occurrence: | Vesicle | Vesicle | Vesicle | Replacement | Vesicle | Vesicle |
EMP Anl #: | 2 | 3 | 4 | 25 | 100 | 101 |
SiO2 | 47.06 | 47.90 | 50.33 | 52.21 | 50.58 | 50.65 |
TiO2 | 0.05 | 0.01 | 0.00 | 0.00 | 0.07 | 0.07 |
Al2O3 | 3.67 | 2.90 | 1.20 | 2.09 | 3.31 | 4.26 |
FeO(tot) | 23.34 | 24.65 | 24.75 | 18.45 | 24.36 | 22.95 |
FeO(calc) | 1.19 | 0.22 | 1.81 | 0.00 | 0.00 | 1.23 |
Fe2O3(calc) | 24.58 | 27.12 | 25.47 | 20.48 | 27.04 | 24.11 |
MnO | 0.13 | 0.03 | 0.00 | 0.05 | 0.02 | 0.00 |
MgO | 3.39 | 3.67 | 3.91 | 7.41 | 3.95 | 3.43 |
CaO | 0.57 | 0.54 | 0.41 | 0.29 | 0.67 | 0.76 |
Na2O | 0.17 | 0.23 | 0.29 | 0.14 | 0.45 | 0.48 |
K2O | 6.48 | 6.84 | 7.13 | 8.00 | 5.21 | 4.91 |
Cl | 0.02 | 0.05 | 0.06 | 0.02 | 0.02 | 0.03 |
Ba | 0.00 | 0.00 | 0.03 | 0.00 | ||
Total | 87.32 | 89.51 | 90.63 | 90.69 | 91.32 | 89.93 |
O = Cl | 0.00 | 0.01 | 0.01 | 0.00 | 0.00 | 0.01 |
Total | 87.31 | 89.50 | 90.62 | 90.68 | 91.32 | 89.92 |
# IV + VI cations | 12.00 | 12.00 | 12.00 | 12.00 | 12.00 | 12.00 |
Tetrahedral | ||||||
Cations | ||||||
Si(IV) | 7.422 | 7.425 | 7.719 | 7.768 | 7.513 | 7.597 |
Al(IV) | 0.578 | 0.530 | 0.217 | 0.232 | 0.487 | 0.403 |
Sum(IV) | 8.000 | 7.955 | 7.936 | 8.000 | 8.000 | 8.000 |
Octahedral | ||||||
Al(VI) | 0.105 | 0.000 | 0.000 | 0.135 | 0.093 | 0.350 |
Ti | 0.006 | 0.001 | 0.000 | 0.000 | 0.008 | 0.008 |
Fe2+ | 0.157 | 0.028 | 0.232 | 0.000 | 0.000 | 0.154 |
Fe3+ | 2.918 | 3.164 | 2.939 | 2.294 | 3.023 | 2.722 |
Mn | 0.017 | 0.004 | 0.000 | 0.006 | 0.003 | 0.000 |
Mg | 0.797 | 0.848 | 0.894 | 1.643 | 0.874 | 0.767 |
Sum(VI) | 4.000 | 4.045 | 4.064 | 4.078 | 4.000 | 4.000 |
Interlayer | ||||||
Ca | 0.096 | 0.090 | 0.067 | 0.046 | 0.107 | 0.122 |
Na | 0.052 | 0.069 | 0.086 | 0.040 | 0.130 | 0.140 |
K | 1.304 | 1.353 | 1.395 | 1.519 | 0.987 | 0.940 |
Cl | 0.005 | 0.013 | 0.016 | 0.005 | 0.005 | 0.008 |
Total | 13.452 | 13.525 | 13.564 | 13.688 | 13.229 | 13.201 |
Al(VI)/[Al(VI) + Fe3+] | 0.035 | 0.000 | 0.000 | 0.055 | 0.030 | 0.114 |
Mg/(Mg + Fe2+) | 0.835 | 0.968 | 0.794 | 1.000 | 1.000 | 0.833 |
Note: EMP = electron microprobe; Anl # = analysis identification number.