A silver and gold-rich sulphide deposit, probably related to the nearby Hercules mine.
Ref.:
Huston, D. L., Bottrill, R. S., Creelman, R. A., Zaw, K., Ramsden, A. R., Rand, S. W., Gemmell, J. B., Jablonski, W., Sie, S. H. and Large, R. R. 1992. Geologic and geochemical controls on the mineralogy and grain size of gold-bearing phases, eastern Australian volcanic-hosted massive sulfide deposits. Econ. Geol. 87, p. 542-563.