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Twthill Pedestrian Underpass

Arfon Grits

  • Sedimentary
  • Quartz
  • Lower Cambrian

This stone is older than it looks. Send it to someone five minutes away.

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Just found Arfon Grits in Twthill Pedestrian Underpass.

Lower Cambrian quartz, quarried at Arfon District, North Wales. Nearest stop: Bangor.

This stone is older than it looks — worth five minutes if you're nearby.
https://www.londonpavementgeology.co.uk/location/3086-twthill-pedestrian-underpass/

Location Details

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Location of Geological Feature
A block of stone split along a fault plane with mineral fibre slickensides in quartz.
Rock Type
Quartz
Geological Age
Lower Cambrian
Quarry Location
Arfon District, North Wales
Category
Sedimentary
Nearest station
Bangor
Address
Bangor Street LL55
Twthill Pedestrian Underpass — Arfon Grits
Arfon Grits at Twthill Pedestrian Underpass
    Entry submitted by Ruth Siddall

More stone at Twthill Pedestrian Underpass

  • Arfon Grits

Nearby

The closest other recorded buildings.

  • Fun Centre (former Christ Church)Cefn Sandstone40 m · about 1 min walk
  • Celtic Royal HotelGwespyr Sandstone130 m · about 2 min walk
  • Home Bargains StoreTwthill Granite150 m · about 2 min walk
  • Premier InnMoelfre Limestone190 m · about 3 min walk
  • St David & St Helen's Church, TwthillHeather Slate210 m · about 3 min walk
  • Yr HarbwrClwyd Limestone220 m · about 4 min walk

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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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