Geology & Mines: stock images from John Mason, Machynlleth, Mid-Wales.

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© ALL IMAGES COPYRIGHT JOHN S. MASON 2007: NO REPRODUCTION WITHOUT PERMISSION.

Contact - email: john.mason@geologywales.co.uk tel: 01654 703638

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Cwmystwyth lead mines, Mid-Wales Cwmystwyth lead mines, Mid-Wales Underground in a Mid-Wales lead mine Underground in a Mid-Wales lead mine Underground in a Mid-Wales lead mine
Cwmrheidol lead-mines, after a river broke into the workings, 1993 Underground in No 9 Adit, Cwmrheidol mine Coed y Brenin porphyry-copper district, North Wales Snowdon Volcanic Group: Tryfan Cambrian slates being worked at Penrhyn Quarry, Bethesda, 1997
Old walled-off shafts, Clogau gold mine, 1997 Gwna Melange pillow-lavas - Porth Dinllaen, Nefyn, Lleyn Gwna Melange quartzite clasts, Uwchymynydd, Lleyn Torridonian on Lewisian - Suilven from Stac Polly Wet limestone-pavement - The Burren
The Severn Bore at Westbury Strand Triassic-Jurassic transition at Lavernock near Cardiff Coal opencast, South Wales, 1999 Dolyhir Quarry near Kington, Powys Precambrian sedimentary rocks, Dolyhir Quarry, Welsh Borders

Opened-up Pryse's Shaft, Cwmsymlog silver-lead mine, Ceredigion The famous chimney, Cwmsymlog silver-lead mine, Ceredigion, 1990 Ochre outside the then blocked No 9 Adit, Cwmrheidol mine, 1992 Work in progress to dewater No 9 Adit, Cwmrheidol, 1993 The Darren Mines, 1990 Ancient opencut lead working, Talybont, Ceredigion Clogau Formation banded mudstones, Friog, North Wales coast


© ALL IMAGES COPYRIGHT JOHN S. MASON 2007: NO REPRODUCTION WITHOUT PERMISSION.