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Porth Mawr (Exchequer Gate)

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 Porth Mawr (Exchequer Gate).

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/3113-porth-mawr-exchequer-gate/

Location Details

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Location of Geological Feature
Main building stone. This is a micritic, poorly fossiliferous variety of Penmon Limestone.
Rock Type
Limestone
Geological Age
Lower Carboniferous
Quarry Location
Penmon, Anglesey, Wales
Category
Sedimentary
Nearest station
Bangor
Address
Stryd y Porth Mawr LL55 1AF
Porth Mawr (Exchequer Gate) — Penmon Limestone
Penmon Limestone at Porth Mawr (Exchequer Gate)
    Entry submitted by Ruth Siddall

More stone at Porth Mawr (Exchequer Gate)

  • Cefn Stone
  • Peterhead Granite

Nearby

The closest other recorded buildings.

  • Memorial Plaque inside Porth MawrSpotted Heather Slate10 m · about 1 min walk
  • Market HallPenmon Limestone40 m · about 1 min walk
  • Corbett BookmakersLarvikite: Marina Pearl70 m · about 1 min walk
  • Slate wallSpotted Slate90 m · about 1 min walk
  • Plas Llanwnda (County Education Offices)Anglesey Grits90 m · about 1 min walk
  • Barclays Bank, BangorVerdi Alpi100 m · about 2 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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