Mudstone, Tolo Channel – Ma Shi Chau

Ma Shi Chau is a small island located in Tolo Harbour, Tai Po District, in the northeastern New Territories of Hong Kong. The rocks on the island are sedimentary rocks, which can be further classified into volcanic tuff, breccia, mudstone, siltstone, and sandstone. If you are interested in geological rocks, you can visit the Hong Kong Geopark website: (https://www.geopark.gov.hk/index.html) .