Lightning Ridge

"Walk In" Mine

Description: Example of a subsurface opal mine, exploited now for tourists rather than opals. A seam of grey clay is excavated from the walls - this is where the best opals are found, of better quality than in the surrounding red / grey sandstone.

Date / Time: 22 Dec 2002

Frame; Notes: PICT0238

Created using PhotoRecall from G&A Imaging Ltd.