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Upper Ordovician

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16 locations recorded with this geological age.

  1. 8, Shirehall StreetBlack stone used as a decorative stripe.Igneous·Granodiorite·near Bangor
  2. Bangor Independent SchoolMain building stone, blocks of rubble masonry. It is not possible to access the grounds to take close-up ph…Igneous·Granodiorite·near Bangor
  3. Castle HotelAngular cobbles used for cladding the walls of the building.Igneous·Granodiorite·near Conwy
  4. Coleg MenaiMain building stone.Igneous·Granodiorite·near Bangor
  5. Conwy GuildhallDessings around the doorway.Igneous·Granodiorite·near Conwy
  6. Council OfficesMain building stone.Igneous·Granodiorite·near Bangor
  7. County HallMain building stone, in coursed, rubble masonry.Igneous·Granodiorite·near Bangor
  8. Fun Centre (former Christ Church)Main building stone.Igneous·Granodiorite·near Bangor
  9. Llandudno Station Car ParkSquare block sets on pavements around the car park.Igneous·Granodiorite·near Llandudno
  10. Llanrwst ClockMain building stone.Igneous·Granodiorite·near Llanrwst
  11. Memorial GardensBoulders used for decoration. These include blocks of local stone from Snowdonia, including pieces of ignim…Igneous·Ignimbrite·near Bangor
  12. Mulberry Tree InnThe upper parts of the building use a dark grey stone pressed into concrete as a decorative stone effect. I…Igneous·Granodiorite·near Warrington Bank Quay
  13. Our Lady Queen of MartyrsMain building stone.Igneous·Granodiorite·near Llanfairpwllgwyngyll
  14. Penrhyn HallRubble building stone.Igneous·Granodiorite·near Bangor
  15. St John's Methodist Church LlandudnoMain building stone.Igneous·Granodiorite·near Llandudno
  16. St Mary's Church, LlandudnoStone used as a contrasting, decorative feature in various window arches.Igneous·Granodiorite·near Llandudno

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Funding, sponsorship and supporting institutions

  • Marelambis Ltd.
  • University College London
  • Petroleum Exploration Society of Great Britain
  • Geologists' Association Curry Fund
  • Geoscience Wales
  • The Geological Society
  • London Geodiversity Partnership

With donations from individuals in the oil and gas industry who wish to remain anonymous.

Building stone data by Ruth Siddall, Dave Wallis and contributors. Project founded by Dave Wallis.

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