1. Climatic desiccation — Optimal hydrologic, geochemical and geomorphic conditions for supergene enrichment and preservation of ore deposits: An integrated study of La Escondida, Chile;Alpers;Geol. Soc. Am. Bull.,1988
2. Direct dating of mineralization at Goldfield, Nevada, by potassium-argon and fission-track methods;Ashley;Econ. Geol.,1976
3. Brecciation, mineralization and alteration of the Kidston gold deposit;Baker,1987
4. Opal at Stuart Creek, Charlie Swamp and Yarra Wurta Cliff, Report No. 1: Geological investigations and Caldwell drilling of the precious stones field;Barnes,1979
5. Opal: South Australia's gemstone;Barnes;S. Aust. Geol. Surv., Handb.,1982