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The Geology of Hong Kong (Interactive On-line)
Kau Sai Chau Volcanic Group (undifferentiated) - Kku


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.


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