Kau Sai Chau Volcanic Group (undifferentiated) - Kku
Stratigraphy: Early Cretaceous volcanic
rocks with ages of approximately 141.1 ± 0.2 million years before present.
Distribution: The Kau Sai Chau Volcanic
Group (undifferentiated) occurs as a narrow, east-striking outcrop
in the southern end of the Clear Water Bay Penisula, and as a small
outlier at the summit of Lantau Peak.
Lithology: Dominantly eutaxitic block-
and lapilli-bearing vitric tuff with minor flow-banded rhyolite
lava.
