Geological map of Hong Kong Sham Chung Rhyolite - Jks Tai Po Granodiorite - Jmt Tai Po Granodiorite - Jmt Yuen Long Formation - Csy Yuen Long Formation - Csy Tai Po Granodiorite - Jmt Tai Po Granodiorite - Jmt Yuen Long Formation - Csy Tolo Harbour Formation - Pt Tai O Formation - Jo Tuen Mun Formation - Ju Tuen Mun Formation - Ju Lantau Granite - Jml Alluvium/ Colluvium - Q Tong Fuk Quartz Monzonite - Klf Alluvium/ Colluvium - Q Shing Mun Formation - Jts Shing Mun Formation - Jts Shing Mun Formation - Jts Tai Mo Shan Formation - Jtm Tai Mo Shan Formation - Jtm Tai Mo Shan Formation - Jtm Tai Mo Shan Formation - Jtm Pat Sin Leng Formation - Kp Alluvium/ Colluvium - Q Kat O Formation - Kk Alluvium/ Colluvium - Q Shui Chuen O Granite - Kcs Sha Tin Granite - Jkt Tei Tong Tsui Quartz Monzonite - Klt Shan Tei Tong Rhyodacite - Kct Shan Tei Tong Rhyodacite - Kct Mount Davis Formation - Krd Tei Tong Tsui Quartz Monzonite - Klt D'Aguilar Quartz Monzonite - Kld Che Kwu Shan Formation - Krc Che Kwu Shan Formation - Krc Mount Butler Granite - Klb Fill - F Che Kwu Shan Formation - Krc Fill - F Kowloon Granite - Klk Mang Kung Uk Formation - Krm Mang Kung Uk Formation - Krm Kau Sai Chau Volcanic Group (undifferentiated) - Kku Mount Davis Formation - Krd Fill - F Po Toi Granite - Klp Po Toi Granite - Klp Po Toi Granite - Klp Po Toi Granite - Klp Po Toi Granite - Klp D'Aguilar Quartz Monzonite - Kld D'Aguilar Quartz Monzonite - Kld D'Aguilar Quartz Monzonite - Kld Port Island Formation - Ki Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Fill - F Alluvium/ Colluvium - Q Alluvium/ Colluvium - Q Alluvium/ Colluvium - Q Alluvium/ Colluvium - Q Alluvium/ Colluvium - Q Alluvium/ Colluvium - Q Alluvium/ Colluvium - Q Alluvium/ Colluvium - Q Alluvium/ Colluvium - Q Alluvium/ Colluvium - Q Alluvium/ Colluvium - Q Alluvium/ Colluvium - Q Kat O Formation - Kk Port Island Formation - Ki High Island Formation - Kkh Clear Water Bay Formation - Kkw High Island Formation - Kkh Clear Water Bay Formation - Kkw Clear Water Bay Formation - Kkw Kau Sai Chau Volcanic Group (undifferentiated) - Kku Kowloon Granite - Klk Kowloon Granite - Klk Fan Lau Granite - Kll Sok Kwu Wan Granite - Kls Tei Tong Tsui Quartz Monzonite - Klt Tei Tong Tsui Quartz Monzonite - Klt Tei Tong Tsui Quartz Monzonite - Klt Tong Fuk Quartz Monzonite - Klf D'Aguilar Quartz Monzonite - Kld Mount Davis Formation - Krd Mount Davis Formation - Krd Long Harbour Formation - Krl Long Harbour Formation - Krl Long Harbour Formation - Krl Pan Long Wan Formation - Krp Mang Kung Uk Formation - Krm Mang Kung Uk Formation - Krm Mang Kung Uk Formation - Krm Mang Kung Uk Formation - Krm Long Harbour Formation - Krl Che Kwu Shan Formation - Krc Che Kwu Shan Formation - Krc Ap Lei Chau Formation - Kra Ap Lei Chau Formation - Kra Luk Keng Quartz Monzonite - Kcl Mount Davis Formation - Krd Shan Tei Tong Rhyodacite - Kct Shan Tei Tong Rhyodacite - Kct Shan Tei Tong Rhyodacite - Kct Alluvium/ Colluvium - Q Chi Ma Wan Granite - Kcc Lai Chi Chong Formation - Jll Tong Fuk Quartz Monzonite - Klf Sha Tin Granite - Jkt Sha Tin Granite - Jkt Needle Hill Granite - Jkn Tei Tong Tsui Quartz Monzonite - Klt Kowloon Granite - Klk South Lamma Granite - Jkl Hok Tsui Rhyolite - Jkh Tsing Shan Granite - Jms Chek Lap Kok Granite - Jmc Fill - F Sai Lau Kong Formation - Jtl Tai Mo Shan Formation - Jtm Alluvium/ Colluvium - Q Tai Mo Shan Formation - Jtm Shing Mun Formation - Jts Shing Mun Formation - Jts Shing Mun Formation - Jts Sham Chung Rhyolite - Jks Shing Mun Formation - Jts Shing Mun Formation - Jts Yim Tin Tsai Formation - Jty Yim Tin Tsai Formation - Jty Yim Tin Tsai Formation - Jty Yim Tin Tsai Formation - Jty Yim Tin Tsai Formation - Jty Yim Tin Tsai Formation - Jty Yim Tin Tsai Formation - Jty Lantau Granite - Jml Lantau Granite - Jml Lantau Granite - Jml Tuen Mun Formation - Ju Tsing Shan Granite - Jms Tai O Formation - Jo Tai O Formation - Jo Tolo Channel Formation - Jc Tolo Channel Formation - Jc Tolo Channel Formation - Jc Tolo Channel Formation - Jc Tolo Channel Formation - Jc Tolo Harbour Formation - Pt Lok Ma Chau Formation - Csl Deep Bay Granite - Td Lantau Volcanic Group (undifferentiated) - Jlu Bluff Head Formation - Db Bluff Head Formation - Db Tai Lam Granite - Jma Lantau Granite - Jml Tai Po Granodiorite - Jmt Tai Po Granodiorite - Jmt Tolo Harbour Formation - Pt Alluvium/ Colluvium - Q Fill - F Lantau Granite - Jml Pan Long Wan Formation - Krp Fill - F Mang Kung Uk Formation - Krm Fill - F Chek Lap Kok Granite - Jmc Lantau Granite - Jml East Lantau Rhyodacite - Jkd East Lantau Rhyodacite - Jkd Lok Ma Chau Formation - Csl Alluvium/ Colluvium - Q Needle Hill Granite - Jkn Lantau Granite - Jml Lantau Granite - Jml Lantau Granite - Jml Lantau Granite - Jml Lantau Granite - Jml Lantau Granite - Jml East Lantau Rhyolite - Jko East Lantau Rhyolite - Jko East Lantau Rhyolite - Jko East Lantau Rhyolite - Jko East Lantau Rhyolite - Jko East Lantau Rhyolite - Jko East Lantau Rhyolite - Jko East Lantau Rhyolite - Jko East Lantau Rhyolite - Jko East Lantau Rhyolite - Jko Tai Lam Granite - Jma Fill - F East Lantau Rhyolite - Jko Yim Tin Tsai Formation - Jty Yim Tin Tsai Formation - Jty East Lantau Rhyolite - Jko East Lantau Rhyodacite - Jkd East Lantau Rhyodacite - Jkd East Lantau Rhyodacite - Jkd Shing Mun Formation - Jts Yim Tin Tsai Formation - Jty Yim Tin Tsai Formation - Jty Sha Tin Granite - Jkt Tai Po Granodiorite - Jmt Tai Po Granodiorite - Jmt East Lantau Rhyolite - Jko Mang Kung Uk Formation - Krm
Legend Alluvium/ Colluvium - Q Fill - F Mafic and intermediate dykes - mnd Kau Sai Chau Volcanic Group (undifferentiated) - Kku High Island Formation - Kkh Tsing Shan Granite - Jms East Lantau Rhyolite - Jko Late-stage felsic dykes - qrd D'Aguilar Quartz Monzonite - Kld Sai Lau Kong Formation - Jtl Mount Davis Formation - Krd Luk Keng Quartz Monzonite - Kcl Tong Fuk Quartz Monzonite - Klf Chek Mun Rhyolite - Jmm Sham Chung Rhyolite - Jks Mount Butler Granite - Klb Port Island Formation - Ki Pat Sin Leng Formation - Kp Ping Chau Formation - Ep Clear Water Bay Formation - Kkw Tei Tong Tsui Quartz Monzonite - Klt Long Harbour Formation - Krl Po Toi Granite - Klp Lai Chi Chong Formation - Jll Fan Lau Granite - Kll Sok Kwu Wan Granite - Kls Chek Lap Kok Granite - Jmc Ap Lei Chau Formation - Kra Bluff Head Formation - Db Pan Long Wan Formation - Krp Needle Hill Granite - Jkn Kowloon Granite - Klk Tolo Harbour Formation - Pt Shui Chuen O Granite - Kcs Yim Tin Tsai Formation - Jty Sha Tin Granite - Jkt Tuen Mun Formation - Ju Hok Tsui Rhyolite - Jkh South Lamma Granite - Jkl Lantau Granite - Jml Tai Po Granodiorite - Jmt East Lantau Rhyodacite - Jkd Shan Tei Tong Rhyodacite - Kct Tai Mo Shan Formation - Jtm Che Kwu Shan Formation - Krc Chi Ma Wan Granite - Kcc Tolo Channel Formation - Jc Yuen Long Formation - Csy Lok Ma Chau Formation - Csl Tai O Formation - Jo Ngo Mei Chau Formation - Krn Kat O Formation - Kk Shing Mun Formation - Jts Mang Kung Uk Formation - Krm Lantau Volcanic Group (undifferentiated) - Jlu Tai Lam Granite - Jma Kat O Formation - Kk Deep Bay Granite - Td Tolo Harbour Formation - Pt Lok Ma Chau Formation - Csl Yuen Long Formation - Csy Ping Chau Formation - Ep