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The Geology of Hong Kong (Interactive On-line)
Ngo Mei Chau Formation - Krn

Ngo Mei Chau Formation - Krn

Stratigraphy: Cretaceous volcanic rocks with an age of approximately 142.7 ± 0.1 million years before present.

Distribution: The Ngo Mei Chau Formation occurs only in the northeast New Territories, and is exposed chiefly on Kat O Chau and Ngo Mei Chau in the northwest of Mirs Bay.

Lithology: Dominantly eutaxitic fine ash tuff with minor intercalated siltstone and mudstone.

Eutaxitic fine ash vitric tuff

(Eutaxitic fine ash vitric tuff of the Ngo Mei Chau Formation, Ngo Mei Chau, northeastern New Territories)