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Town Walls Plaque

Penmon Limestone

  • Sedimentary
  • Limestone
  • Lower Carboniferous

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

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Just found Penmon Limestone in Town Walls Plaque.

Lower Carboniferous limestone, quarried at Penmon, Anglesey, Wales. Nearest stop: Bangor.

This stone is older than it looks — worth five minutes if you're nearby.
https://www.londonpavementgeology.co.uk/location/3520-town-walls-plaque/

Location Details

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Location of Geological Feature
Plaque commemorating the acccesion of the town walls to the Borough of Caernarfon.
Fossils
Crinoids, shell fragments.
Rock Type
Limestone
Geological Age
Lower Carboniferous
Quarry Location
Penmon, Anglesey, Wales
Category
Sedimentary
Nearest station
Bangor
Address
Castle Ditch LL55
Date of build
1917
Find out more
Stone identified by Ruth Siddall
Town Walls Plaque — Penmon Limestone
Penmon Limestone at Town Walls Plaque
Penmon Limestone at Town Walls Plaque (detail 2)
    Entry submitted by Ruth Siddall

Nearby

The closest other recorded buildings.

  • Town WallsGlacial cobbles10 m · about 1 min walk
  • Y MaesFfestiniog Blue-Grey Slate30 m · about 1 min walk
  • Caernarfon CastleAnglesey Grits40 m · about 1 min walk
  • Statue of David Lloyd GeorgeGrey Trefor Microgranite50 m · about 1 min walk
  • Caernarfon Castle BridgeBlaenau Ffestiniog Slate50 m · about 1 min walk
  • Masonic HallHelsby Sandstone70 m · about 1 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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