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 |