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The Geology of Hong Kong (Interactive On-line)
Hok Tsui Rhyolite - Jkh

Hok Tsui Rhyolite - Jkh

Stratigraphy: A swarm of quartzphyric rhyolite dykes that intrudes the Tai Po Granodiorite and the Yim Tin Tsai Formation at around 151.9 ± 0.2 million years before present.

Distribution: Hok Tsui Rhyolite is restricted to Cape D'Aguilar (Hok Tsui) in the extreme southeastern corner of Hong Kong Island.

Lithology: Quartzphyric rhyolite dykes.

Flow-banded Hok Tsui Rhyolite dyke

(Flow-banded Hok Tsui Rhyolite dyke, Cape D'Aguilar, southeastern Hong Kong Island)