South Australian Current Acts South Australian Current Acts (1) The Minister may,
by notice in the Gazette, declare mineral land within a precious stones field
to be an opal development area for the purposes of this Act, and the
declaration will have effect according to its terms.
(2) A person must not
carry out authorised operations in an opal development area except under the
authority of an exploration licence or mining lease under this Act.
(3) The Minister may,
by subsequent notice in the Gazette, vary or revoke a declaration under
subsection (1).