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R.A. Ixer and C.J. Stanley. 1996. Siegenite-bearing assemblages found at the Great Orme Mines, Llandudno, Wales. Mineralogical Magazine, 60, 978-982.

R.A.F. Ixer and J. Davies. 1996. Mineralization at the Great Orme Copper Mines, Llandudno, North Wales. U.K. Journal of Mines and Minerals, 17, 7-14.

E. Joel, J. Taylor, R.A.F. Ixer and M. Goodway, 1997. Lead isotope analysis and the Great Orme Mines, In: Sinclair,A., Slater,E. and Gowlett,J. Eds., Archaeological Sciences '95. Oxbow Archaeological Monograph, 64, P129 - 137.

R.A. Ixer. 2000. Potential and Realizable Ores from the Great Orme Mine. Journal of the Great Orme Exploration Society 1, 7-12.

R. A. Ixer. 2001. An assessment of copper mineralization from the Great Orme Mine, Llandudno, North Wales, as ore in the Bronze Age. Proceedings of the Yorkshire Geological Society, 53, 213-219.