Table 6.A1

Table 6.A1 – Major Element Analyses of Coarse-and Medium-grained Granites

Element	Coarse-grained Granite - Lai King (3146 2366) - HK 2181	Coarse-grained Granite - Lai King (3141 2370) - HK 2183	Medium-grained Granite - Hung Hom (3760 1882) - HK 1608	Medium-grained Granite - Pak Tin (3493 2191) - HK 2180	Medium-grained Granite - Shek O Quarry (4259 0930) - HK 3635	Medium-grained Granite - Chung Hom Kok (3894 0832) - HK 3851	Medium-grained Granite - Wan Chai (3611 1522) - HK 4237	Medium-grained Granite - Sok Kwu Wan (3186 0848) - HK 4808
SiO₂	71.85	73.19	74.24	74.75	75.83	77.89	77.01	73.30
TiO₂	0.29	0.20	0.13	0.13	0.06	0.06	0.13	0.18
Al₂O₃	13.56	13.01	12.34	12.71	12.23	11.87	12.09	14.08
Fe₂O₃	0.64	0.56	0.38	0.56	0.31	0.18	0.42	0.53
FeO	1.84	1.44	1.07	1.01	0.81	0.91	0.99	1.41
MnO	0.05	0.05	0.06	0.07	0.19	0.07	0.07	0.08
MgO	0.29	0.17	0.15	0.11	0.10	0.04	0.11	0.07
CaO	1.37	1.19	0.82	0.89	1.13	0.66	0.90	0.96
Na₂O	3.03	3.01	3.13	3.15	4.33	2.92	2.77	3.55
K₂O	5.45	5.42	5.12	5.34	4.80	4.81	4.76	5.19
H₂O⁺	0.59	0.44	0.28	0.13	0.33	0.48	0.52	0.65
H₂O^-	0.15	0.22	0.10	0.11	0.09	0.12	0.09	0.09
P₂O₅	0.07	0.04	0.02	0.02	0.00	0.01	0.02	0.02
Total	99.18	98.94	97.84	98.98	100.11	100.02	99.88	100.11