|
ebble ay The High Island Formation, which crops out in the Sai Kung and Clear Water Bay districts is a very uniform, massive, crystal-bearing, fine ash vitric tuff with small-scale eutaxitic fabrics and spectacularly well-developed columnar jointing. The columnar joints can be seen to extrend vertically for up to about 30m in some places. ¡@
Post your Feedback |
Thanks for visiting Garro Ho's website.
Drop me a line in my guestbook or send me an email to garro@garroho.com, especially if you are a long lost friend!