Table 6.5a - Summary of the field and petrographic characteristics of the Lion Rock Suite,'Monzonitic' Subsuite
LION ROCK SUITE
'Monzonitic' Subsuite
| UNIT | D'Aguilar Quartz Monzonite | Tong Fuk Quartz Monzonite | Tei Tong Tsui Quartz Monzonite |
|---|---|---|---|
| Colour | grey to pinkish white | greyish white | light pinkish white |
| Rock Type | quartz monzonite | quartz monzonite | quartz monzonite |
| Dominant texture | porphyritic medium grained | equigranular medium grained | porphyritic medium grained |
| Mafic minerals | hornblende, biotite | hornblende, biotite | hornblende, biotite |
| Feldspar | orthoclase, albite | orthoclase, albite | orthoclase, albite |
| Accessory minerals | zircon, allanite, apatite, Fe-oxide | zircon, titanite, allanite, apatite, Fe-oxide | zircon, allanite, apatite, Fe-oxide |
| Alkali feldspar megacrysts | sparse | absent | common |
| Pluton shape | irregular | irregular | irregular |
| Area exposed (km2) | 3 | <2 | <2 |
| Mineralization | - | - | - |
Table 6.5b - Summary of the field and petrographic characteristics of the Lion Rock Suite, 'Granitic' Subsuite
LION ROCK SUITE
'Granitic' Subsuite
| UNIT | Sok Kwu Wan Granite | Fan Lau Granite | Kowloon Granite | Po Toi Granite | Mount Butler Granite |
|---|---|---|---|---|---|
| Colour | pinkish white | greyish white | pale pink or grey | pale pink or grey | light pink to grey |
| Rock Type | monzogranite | monzogranite | biotite monzogranite | biotite monzogranite | biotite monzogranite |
| Dominant texture | porphyritic fine to medium grained | porphyritic fine grained | equigranular medium grained | equigranular fine to medium grained | equigranular medium grained |
| Mafic minerals | biotite | biotite | biotite | biotite | biotite |
| Feldspar | microperthite, albite | orthoclase zoned albite | microperthite zoned oligoclase | microperthite albite | microperthite albite |
| Accessory minerals | zircon, titanite, fluorite, Fe-oxide | zircon, Fe-oxide | zircon, allanite, titanite, apatite, Fe-oxide | zircon, titanite, allanite, Fe-oxide | zircon, apatite, Fe-oxide |
| Alkali feldspar megacrysts | common | common | absent | absent | sparse |
| Pluton shape | irregular | irregular | circular | circular | circular |
| Area exposed (km2) | <2 | <1 | 68 | 10 | 25 |
| Mineralization | - | - | - | - | Mo,W,Fe,Be |