Table 5.A2 – Major Element Analyses of Samples from the Clear Water Bay Formation

Element Clear Water Bay
Formation
-
Sai Kung
(46190 30070)
-
HK 217
Clear Water Bay
Formation
-
High Island
(52642 27522)
-
HK 6001
Clear Water Bay
Formation
-
Pak Tam Au
(51950 30632)
-
HK 6835
Clear Water Bay
Formation
-
Seung Sz Wan
(48100 18677)
-
HK 6839
Clear Water Bay
Formation
-
Little Palm Beach
(47690 20100)
-
HK 6840
Clear Water Bay
Formation
-
Clear Water Bay
(47473 18296)
-
HK 6863
Clear Water Bay
Formation
-
Clear Water Bay
(47380 18718)
-
HK 6864
Clear Water Bay
Formation
-
Kei Ling Ha
(45476 30643)
-
HK 6866
SiO2 71.22 71.84 70.01 68.02 69.76 68.39 68.66 72.43
TiO2 0.27 0.25 0.26 0.44 0.37 0.42 0.40 0.22
Al2O3 14.30 14.70 15.09 14.61 14.09 14.75 14.59 13.76
Fe2O3 0.76 0.71 1.23 1.08 0.96 0.89 1.14 1.38
FeO 1.56 1.67 1.12 1.96 2.07 2.22 1.73 0.81
MnO 0.11 0.12 0.18 0.10 0.10 0.11 0.09 0.11
MgO 0.20 0.14 0.12 0.56 0.44 0.62 0.50 0.15
CaO 1.16 0.65 0.86 2.10 1.66 2.64 1.73 1.07
Na2O 3.39 3.45 2.82 3.05 3.13 2.33 3.20 3.50
K2O 6.30 6.45 6.39 5.71 5.62 5.82 5.51 5.64
H2O+ 0.42 0.59 1.16 1.20 1.04 1.20 1.60 0.50
H2O- 0.13 0.07 0.38 0.10 0.08 0.14 0.12 0.08
P2O5 0.05 0.05 0.03 0.14 0.12 0.13 0.13 0.04
Total 99.87 100.69 100.29 99.84 100.01 100.15 100.04 99.68