Origin of Australian Opals - New Open Access Paper
The Australian Journal of Earth Sciences has a newly
published summary paper about the origin of Australian
opals online as open access and free to download.
the paper is:
Rey, P. F., 2013, Opalisation of the Great Artesian
Basin (central Australia): an Australian story with a
Martian twist, Australian Journal of Earth Sciences.
vol. 60, no. 3, pp. 291-314.
PDF file at:
This paper is well worth reading.