Mason, J.S. and Hughes, S.J.S. 1990. Geology of the Darren District. In: Hughes, S.J.S. The Darren Mines. British Mining, Northern Mine Research Society, 40, 131-141.

Mason, J.S. 1992. Wulfenite in the British Isles. Part Two: Wales. U.K. Journal of Mines and Minerals, 11, 38-41.

Mason, J.S. 1994. A Regional Paragenesis for the Central Wales Orefield. Unpublished MPhil thesis, University of Wales.

Mason, J.S. and Rust, S.A. 1995. An unusual occurrence of arsenate minerals at Gwaith-yr-Afon mine, Dyfed, Wales. Journal of the Russell Society, 5, 109-113.

Mason, J.S., and Green, D.I. 1995. Supergene minerals including exceptional ramsbeckite from Penrhiw Mine, Ystumtuen, Dyfed. U.K. Journal of Mines & Minerals, 15, 21-27.

Mason, J.S., and Green, D.I. 1996: Supergene copper mineralisation in situ at Lodge Park Copper Trial, Dyfed. U.K. Journal of Mines & Minerals, 17, 19-23.

Mason, J.S. 1997. Regional polyphase and polymetallic vein mineralisation in the Caledonides of the Central Wales Orefield. Transactions of the Institution of Mining and Metallurgy (Section B: Applied Earth Science), 106, B135-B144.

Mason, J.S. and Rust, S.A. 1997. The Mineralogy of Ystrad Einion Mine, Dyfed, Wales. U.K. Journal of Mines and Minerals, 18, 33-36.

Mason, J.S., Fitches, W.R. and Bevins, R.E. 1998. Pre-tectonic auriferous vein-type mineralisation in North Wales. In: Abstracts volume, Geoscience '98 conference (London: Geological Society, 1998), 147.

Mason, J.S. 1998. Tucekite, a mineral new to Britain, and other rare ore minerals from the Central Wales Orefield. U.K. Journal of Mines and Minerals, 19, 30-36.

Mason, J.S., Fitches, W.R and Bevins, R.E. 1999. Evidence for a pre-tectonic origin for the auriferous vein-type mineralisation in the Dolgellau Gold-belt, North Wales. Transactions of the Institution of Mining and Metallurgy (Section B, Applied earth science), 108, B45-B52.

Mason, J.S. and Bevins, R.E. 2002. St Elvis Mine, Solva, Pembrokeshire: Another Elizabethan tetrahedrite occurrence? British Mining 71, 5-12, Northern Mines Research Society.

Mason, J.S., Bevins, R.E and Alderton, D.H.M. 2002. Ore Mineralogy of the mesothermal gold lodes of the Dolgellau Gold Belt, North Wales. Transactions of the Institution of Mining and Metallurgy (Section B, Applied earth science), 111, B203-B214.

Mason, J.S. 2004. The development and preservation of supergene lead mineralisation in Central Wales. UK Journal of Mines and Minerals, 24, 35-46.

Co-Author:

Rust, S.A, and Mason, J.S., 1988. The minerals of Esgair-Hir mine, Dyfed, Wales. U.K. Journal of Mines & Minerals, 5, 35-43.

Pattrick, R.A.D., Mason, J.S. and Gallagher, M.J. 1991: Auriferous structures in the Upper Dalradian near Aberfeldy, Scotland. In: Abstracts volume, Prospecting in areas of glaciated terrain, Edinburgh 1991, Institution of Mining and Metallurgy, London.

Swainbank, I.G, Colman, T.B, Fletcher, C.J. and Mason, J.S. 1992. Multiple sources for lead mineralisation in the Caledonian terrane of Wales. In: Abstracts volume, Mineral Deposit Modelling in relation to crustal reservoirs of the ore-forming elements. Institution of Mining and Metallurgy, London 1992.

Green, D.I., Rust, S.A. and Mason, J.S. 1996. Frongoch Mine, Dyfed. U.K. Journal of Mines & Minerals, 17, 29-38.

Bevins, R.E., Mason, J.S. and Wood, M. 1996. MINESCAN - WALES: Specimen acquisition and site conservation. Acta Mineralogica-Petrographica, Szeged, XXXVIII, Supplementum, 14.

Bevins, R.E. and Mason, J.S. 1997: Welsh Metallophyte and Metallogenic evaluation project: Results of a Minesite Survey of Dyfed and Powys. National Museums & Galleries of Wales.

Bevins, R.E. and Mason, J.S., 1998: Welsh Metallophyte and Metallogenic evaluation project: Results of a Minesite Survey of Gwynedd. National Museums & Galleries of Wales.

Bevins, R.E. and Mason, J.S. 1999. MINESCAN - Selection Criteria for Mineral Site Conservation. In: Barettino, D., Vallejo, M. and Gallego, E. (Eds): Towards the Better Management of the Geological Heritage in the New Millennium, Madrid, Spain, pp. 21-23.

Bevins, R.E. and Mason, J.S., 1999: Welsh Metallophyte and Metallogenic evaluation project: Results of a Minesite Survey of Clwyd. National Museums & Galleries of Wales.

Bevins, R.E. and Mason, J.S., 2000: Welsh Metallophyte and Metallogenic evaluation project: Results of a Minesite Survey of Glamorgan and Gwent. National Museums & Galleries of Wales.

EXIT - Geology

EXIT - Mineralogy