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.