Stratigraphy: Cretaceous volcanic rocks included as part of the Repulse Bay Volcanic Group with an age ranging approximately between 142.5 and 142.9 million years before present.

Distribution: The Pan Long Wan Formation crops out mainly to the south of Siu Chung Lam Wan on the Clear Water Bay Peninsula.

Lithology: Tachydacite lava.

(Flow-banded trachydacite to rhyolite lava in the Pan Long Wan Formation, Little Palm Beach, eastern New Territories)