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Adams, W. (1867) On the "Coal Brasses" of the South Wales coal fields. Transactions of the South Wales Institute of Engineers, 5, 190-196.

Adams, W.A. and Kassim, J.K. (1984) Iron oxyhydroxides in soils developed from Lower Palaeozoic sedimentary rocks in mid-Wales and implications for some pedogenetic processes. Journal of Soil Science, 35, 117-126.

Aikin, A. (1797) Journal of a tour through North Wales and part of Shropshire, with observations in mineralogy and other branches of natural history. London, 231pp.

Alabaster, C. (1983) Native sulphur from Stancombe Quarry, Flax Bourton and Dan-y-graig Quarry, Risca (South Wales). Proceedings of the Bristol Naturalists' Society, 43, 13-27.

Alabaster, C. (1990) Alstonite and barytocalcite from Llantrisant, South Wales and barytocalcite from Holwell, Mendip Hills, England. Journal of the Russell Society, 3, 1-6.

Alderton, D.H.M. and Bevins, R.E. 1996. P-T conditions in the South Wales Coalfield: evidence for coexisting hydrocarbon and aqueous fluid inclusions. Journal of the Geological Society, London, 153, 265-75.

Alkattan, M.M. (1976) The geochemistry of lower Keuper Marl at Lavernock Point, Glamorgan, South Wales. Unpublished M.Sc. thesis, University of Wales.

Allen, P.M., and Jackson, A.A. 1985. Geology of the country around Harlech. Memoirs of the British Geological Survey. Explanation of sheet 135, with part of 149, 112pp.

Allen, P.M., Jackson, A.A. and Rushton, A.W.A. (1981) The stratigraphy of the Mawddach Group in the Cambrian succession of North Wales. Bulletin of the Geological Survey of Great Britain, 61, 51 pp.

Allen, P.M. and Easterbrook, G.D. (1978) Mineralised breccia pipe and other intrusion breccias in the Harlech Dome, N. Wales. Transactions of the Institution of Mining and Metallurgy (Section B; Applied earth science), 87, B157-B161.

Allen, P.M. and Jackson, A.A. (1985) Geology of the country around Harlech. Memoirs of the British Geological Survey. Explanation of Sheet 135, with part of 149, 112pp.

Allen, P.M., Cooper, D.C., Fuge, R and Rea, J. (1976) Geochemistry and relationships to mineralisation of some igneous rocks from the Harlech Dome. Transactions of the Institution of Mining and Metallurgy (Section B; Applied earth science), 85, B100-B108.

Allen, P.M., Cooper, D.C. and Smith, I.F. 1979. Mineral exploration of the Harlech Dome, North Wales. Mineral Reconnaisance Programme Report, 29, Institute of Geological Sciences.

Alwan, A.K. and Williams, P.A. (1979) Nickeloan hydrozincite: a new variety. Mineralogical Magazine, 43, 397-398.

Andrew, A.R. (1910) The geology of the Dolgelley gold-belt, North Wales. Geological Magazine, 47, 159-171, 201-221, 261-271.

Annells, A.E. and Burnham, B.C., 1995: The Dolaucothi Gold Mines: Geology and Mining History. University of Wales/National Trust joint publication.

Annels, A.E. and Roberts, D.E. Turbidite-hosted gold mineralisation at the Dolaucothi Gold Mines, Dyfed, Wales. Econonic Geology, 84, 1989, 1293-1314.

Appleton, P. 1995. Geology, Mining Development and Limestone Caves. In: Bennett, J. (Ed): Minera Lead Mines & Quarries. Wrexham Maelor Borough Council, p15-29.

Archer, A.A. and Elliot, R.W. (1965) The occurrence of olivine-dolerite dykes near Llanrwst, North Wales. Bulletin of the Geological Survey of Great Britain, 23, 145-152.

Ashton, J.H. (1981) Wallrock geochemistry and ore geology of certain mineralized veins in Wales. Unpublished Ph.D. thesis, University of Wales, Aberystwyth.

Astin, T.R. 1986. Septarian crack formation in carbonate concretions from shales and mudstones. Clay Minerals, 21, 617-631.

Ayora, C. and Phillips, R. (1981) Natural occurrences in the systems PbS-Bi2S3-Sb2S3 and PbS-Sb2S3 from Vall de Ribes, Eastern Pyrenees, Spain. Bulletin Minéral, 104, 556-564.

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Ball, T.K, and Bland, D.J, 1985: The Cae Coch volcanogenic massive sulphide deposit, Trefriw, North Wales. Journal of the Geological Society, London, 142, 889-898.

Ball, D.F. (1964) Gibbsite in altered granitic rock in North Wales. Nature, 204, 673-674.

Ball, D.F. (1969) Basaluminite from Cambrian rocks near Harlech. Mineralogical Magazine, 37, 291-293.

Ball, T.K. and Nutt, M.J.C. (1976) Preliminary mineral reconnaisance of Central Wales. Report of the Institute of Geological Sciences, No. 75/14, 12pp.

Bannister, F.A. (1943) Brammallite (sodium-illite), a new mineral from Llandebie, South Wales. Mineralogical Magazine, 26, 304-307.

Bannister, F.A., Hey, M.H. and Campbell Smith, W. (1955) Grovesite, the manganese-rich analogue of berthierine. Mineralogical Magazine, 30, 645-647.

Baqri, R. and Hodson, F. (1979) Apatite in South Wales anthracite. Geological Magazine, 116, 483-486.

Barrett, T.J., Tennant, S.C. and Tyler, P.A. (1998) Parys Mountain massive sulphide deposits, Anglesey: volcanic stratigraphy, lithochemistry and geological setting in Snowdon volcanic Centre and Parys Volcanic Group, North Wales, and associated hydrothermal mineralization, (ed. P.T. Leat and R.C. Willan), Geoscience'98 post-conference field excursion guide, 38-47.

Basso, R., Lucchetti, G., Zefiro, L. and Palenzona, A. (1996) Rosiaite, PbSb2O6, a new mineral from the Cetine mine, Siena, Italy. European Journal of Mineralogy, 8, 487-492.

Bates, D.E.B. (1974) The structure of the Lower Palaeozoic rocks of Anglesey, with special reference to faulting. Geological Journal, 9, 39-60.

Bates, D.E.B. (1966) The geology of Parys Mountain. Welsh Geological Quarterly, 2, 27-29.

Bates, D.E.B. (1972) The stratigraphy of the Ordovician rocks of Anglesey, Geological Journal, 8, 29-58.

Bayliss, P. (1975) Nomenclature of the trioctahedral chlorites. Canadian Mineralogist, 13, 178-180.

Beavon, R.V. (1963) The succession and structure east of the Glaslyn River, North Wales. Quarterly Journal of the Geological Society of London, 119, 479-512.

Bennett, M.A. (1987a) The Cambrian manganese deposits of North Wales. Unpublished Ph.D. thesis, University of Leeds.

Bennett, M.A (1987b) Genesis and diagenesis of the Cambrian manganese deposits, Harlech, North Wales. Geological Journal, 22, 7-18.

Béthune, S. de. (1972) Etude a la microsonde électronique des minéraux métamorphiques du Cambrien de Harlech (Pays de Galles). Bulletin de la Société Belge de Géologie de Paléontologie et d'Hydrologie, 81, 255-265.

Beudant, F.S. (1832) Traité élémentaire de Minéralogie. 2nd Edition. Paris.

Bevins, R.E. , White, S.C & Robinson, D. 1996. The South Wales Coalfield: low grade metamorphism in a foreland basin setting? Geological Magazine, 133, 739-749.

Bevins, R.E, Alderton, D.H.M, and Horak, J.M, 1988: Lead-antimony mineralisation at Bwlch Mine, Deganwy, Wales. Mineralogical Magazine, 52, 391-394.

Bevins, R.E, and Horak, J.M, 1985: Siegenite in clay-ironstone nodules from the South Wales Coalfield. Journal of the Russell Society, 1, 83-85.

Bevins, R.E. 1994. A Mineralogy of Wales. 146pp. National Museum of Wales, Geological Series No. 16, Cardiff.

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: Welsh Metallophyte and metallogenic evaluation project: Results of a Minesite Survey of Clwyd. National Museums & Galleries of Wales.

Bevins, R.E, Turgoose, S, and Williams, P, 1982: Namuwite (Zn, Cu)4SO4(OH)6.4H20, a new mineral from Wales. Mineralogical Magazine, 46, 51-54.

Bevins, R.E. and Rowbotham, G, 1983: Low-grade metamorphism within the Welsh sector of the paratectonic Caledonides. Geological Journal, 18, 141-167.

Bevins, R.E. and Mason, J.S. (1997) Welsh metallophyte and metallogenic evaluation project: Results of a minesite survey of Dyfed and Powys. CCW Contract Science Report No. 156. National Museums & Galleries of Wales.

Bevins, R.E. and Robinson, D. (1993) Parageneses of Ordovician sub-greenschist to greenschist facies metabasites from Wales, U.K. European Journal of Mineralogy, 5, 925-935.

Bevins, R.E. (1978) Pumpellyite-bearing basic igneous rocks from the Lower Ordovician of North Pembrokeshire. Mineralogical Magazine, 42, 81-83.

Bevins, R.E. (1979) The geology of the Strumble Head-Fishguard region, Dyfed, Wales. Unpublished Ph.D. thesis, University of Keele, 256pp.

Bevins, R.E. (1982) Petrology and geochemistry of the Fishguard Volcanic Complex, Wales. Geological Journal, 17, 1-21.

Bevins, R.E. (1985) Pumpellyite-dominated metadomain alteration at Builth Wells, Wales - evidence for a fossil submarine hydrothermal system? Mineralogical Magazine, 49, 451-456.

Bevins, R.E. and Merriman, R.J. (1988) Compositional controls on coexisting prehnite-actinolite and prehnite-pumpellyite facies assemblages in the Tal y Fan metabasite intrusion, North Wales: implications for Caledonian metamorphic field gradients. Journal of Metamorphic Geology, 6, 17-39.

Bevins, R.E. and Stanley, C.J. (1990) Aleksite, a lead bismuth sulfotelluride: a second world occurrence from the Dolgellau Gold Belt, Gwynedd, Wales. Journal of the Russell Society, 3, 67-69.

Bevins, R.E. and Roach, R.A. (1982) Ordovician igneous activity in south-west Dyfed, in Geological excursions in Dyfed, south-west Wales, (ed. M.G. Bassett), National Museum of Wales, Cardiff, 65-80.

Bevins, R.E., Lees, G.J. and Roach, R.A. (1991) Ordovician bimodal volcanism in SW Wales: geochemical evidence for petrogenesis of the silicic rocks. Journal of the Geological Society, London, 148, 719-729.

Bevins, R.E., Lees, G.J., Roach, R.A., Rowbotham, G. and Floyd, P.A. In press. Petrogenesis of the St. David's Head Layered Intrusion, Wales: a complex history of multiple magma injection and in situ crystallization. Transactions of the Royal Society of Edinburgh.

Bevins, R.E., Metcalfe, R. and Robinson, D. (1993) Temporal variations in water-rock interaction as a control on pumpellyite formation. Terra Abstracts, 5, 413.

Bevins, R.E., O'Brien, P., Turgoose, S. and Williams, P.A. (1982) A new find of nickeloan hydrozincite in the Parc Mine, North Wales. Journal of the Russell Society, 1, 19-21.

Bevins, R.E., Rowbotham, G., Stephens, F.S., Turgoose, S. and Williams, P.A. (1985) Lanthanite-(Ce), (Ce,La,Nd)2(CO3)3.8H2O, a new mineral from Wales, U.K. American Mineralogist, 70, 411-413.

Bevins, R.E., Turgoose, S. and Williams, P.A. (1982a) Namuwite, (Zn,Cu)4SO4(OH)6.4H2O, a new mineral from Wales. Mineralogical Magazine, 46, 51-54.

Bevins, R.E., Turgoose, S. and Williams, P.A. (1982b) Some new minerals from Wales. Nature in Wales (new series), 1 (2), 66-68.

Bevins, R.E., Kokelaar, B.P. and Dunkley, P.N. (1984) Petrology and geochemistry of lower to middle Ordovician igneous rocks in Wales: a volcanic arc to marginal basin transition. Proceedings of the Geologists' Association, 95, 337-347.

Bick, D.E, Parkinson, A.J. and Briggs, C.S. 1986. Frongoch lead and zinc mine. British Mining, 30,

Bick, D.E., 1978: The Old Metal Mines of Mid-Wales. Part 5: Aberdovey, Dinas Mawddwy and Llangynog. Pound House, Newent.

Bick, D.E. 1983. The Old Metal Mines of Mid-Wales. Part 2: The Rheidol to Goginan (Revised Edition). Pound House, Newent, Glos.

Bick, D.E. 1990. The Old Metal Mines of Mid-Wales: parts 4&5 West Montgomeryshire, Aberdovey, Dinas Mawddwy and Llangynog. Pound House, Newent, Glos.

Bick, D.E, 1982. The Old Copper Mines of Snowdonia. Pound House, Newent.

Bick, D.E., 1985: The Old Copper Mines of Snowdonia. Second Edition, Pound House, Newent.

Bick, D.E. (1974) The Old Metal Mines Of Wales. Part 1, Cardiganshire - South of Devil's Bridge. Pound House, Newent.

Bick, D.E. (1976) The Old Metal Mines Of Wales. Part 3, Cardiganshire - North of Goginan. Pound House, Newent.

Bick, D.E. (1977) The Old Metal Mines Of Wales. Part 4, West Montgomeryshire. Pound House, Newent.

Bick, D.E. (1991) The Old Metal Mines Of Wales. Part 6, A Miscellany. Pound House, Newent.

Binstock, J.L.H. (1977) Petrology and sedimentation of the Cambrian manganese-rich sediments of the Harlech Dome, North Wales. Unpublished Ph.D. thesis, Harvard University.

Blake, J.F. (1888) The occurrence of a glaucophane-bearing rock in Anglesey. Geological Magazine, 5, 125-127.

Bloxam, T.W. and Dirk, M.H.J. (1988) The petrology and geochemistry of the St. David's granophyre and the Cwm Bach rhyolite, Pembrokeshire, Dyfed. Mineralogical Magazine, 52, 563-575.

Bloxam, T.W. and Price, N.B. (1961) Stilpnomelane in North Wales. Nature, 190, 525-526.

Boast, A. M. (1990) Intrusive-hosted gold mineralization at Hare Hill, Southern Uplands, Scotland. Transactions of the Institution of Mining and Metallurgy (Section B; Applied earth science), 99, B106-112.

Bonney, T.G. (1888) On a peculiar variety of hornblende from Mynydd Mawr, Carnarvonshire. Mineralogical Magazine, 8, 103-107.

Bor, L. (1950) Pisanite from Parys Mountain, Anglesey. Mineralogical Magazine, 29, 63-67.

Boswell, P.G.H. (1927) On the distribution of purple zircon in British sedimentary rocks. Mineralogical Magazine, 21, 310-317.

Bottrell, S.H, Greenwood, P.B, Yardley, B.W.D, Shepherd, T.J. and Spiro, B. (1990): Metamorphic and post-metamorphic fluid flow in low grade rocks of the Harlech Dome, N. Wales. J. Metam. Geol, 8, 131-43.

Bottrell, S.H, and Miller, M.F. (1989): Analysis of reduced sulphur species in inclusion fluids. Economic Geology, 84, 940-5.

Bottrell, S.H, and Miller, M.F. (1990): The geochemical behaviour of nitrogen compounds during the formation of black shale-hosted quartz vein deposits in North Wales. Applied Geochemistry, 5, 289-96.

Bottrell, S.H, Shepherd, T.J., Yardley, B.W.D, and Dubessy, J. (1988): A fluid inclusion model for the genesis of the ores of the Dolgellau Gold-Belt, North Wales. J.Geol.Soc.Lond, 145, 139-45.

Bottrell, S.H, and Moreton, M.D.B, 1992: A reinterpretation of the genesis of the Cae Coch pyrite deposit, North Wales. Journal of the Geological Society, London, 149, 581-584.

Bottrell, S.H. and Spiro, B. (1988) A stable isotope study of black shale-hosted gold mineralization in the Dolgellau Gold Belt, North Wales. Journal of the Geological Society, London, 145, 941-949.

Bottrell, S.H. (1986) The origin of the gold mineralization of the Dolgellau district, North Wales: the chemistry and role of the fluids. Unpublished Ph. D. thesis, University of East Anglia.

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Braithwaite, R.S.W, 1982: Pyromorphite, wulfenite and other minerals from the Bwlch-Glas mine, Central Wales. Mineralogical Record, 13, 151-153.

Braithwaite, R.S.W. and Lamb, R.P.H. (1986) Wulfenite from Ty Coch, Glamorgan (Powys), South Wales. Mineralogical Magazine, 50, 180-181.

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Bralia, A., Sabatini, G. and Troja, F. 1979. Revaluation of the Co/Ni ratio in pyrite as a geochemical tool in ore genesis problems. Mineralium Deposita, 14, 353-374.

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Brammall, A., Leech, J.G.C. and Bannister, F.A. (1937) The paragenesis of cookeite and hydromuscovite associated with gold at Ogofau, Carmarthenshire. Mineralogical Magazine, 24, 507-521.

Brand, N.W., Bottrell, S.H. and Miller, M.F. (1989) Concentrations of reduced sulphur in inclusion fluids associated with black shale-hosted quartz vein gold deposits: implications for mechanisms of transport and deposition of gold, and a possible exploration tool. Applied Geochemistry, 4, 483-491.

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Calvert, J. F, 1853: The Gold Rocks of Great Britain and Ireland. Reproduced by Mining Facsimilies, 1988.

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Dana, J.D. (1868) A System of Mineralogy. 5th Edition. John Wiley, New York.

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