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Telephone Exchange

Garth Dolerite

  • Igneous
  • Dolerite
  • Ordovician

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

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Just found Garth Dolerite in Telephone Exchange.

Ordovician dolerite, quarried at Garth & Moel-y-Gest Quarries, Porthmadog, Gwynedd, Wales. Nearest stop: Porthmadog.

This stone is older than it looks — worth five minutes if you're nearby.
https://www.londonpavementgeology.co.uk/location/3681-telephone-exchange/

Location Details

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Location of Geological Feature
Main building stone. Local tradition says this building was designed by Clough Williams Ellis (who designed the nearby village of Portmeirion), but there is little evidence to support this.
Rock Type
Dolerite
Geological Age
Ordovician
Quarry Location
Garth & Moel-y-Gest Quarries, Porthmadog, Gwynedd, Wales
Category
Igneous
Nearest station
Porthmadog
Address
High Street LL49
Building architect
Clough Williams Ellis (?)
Date of build
1930
Find out more
Stone identified by Ruth Siddall
Telephone Exchange — Garth Dolerite
Garth Dolerite at Telephone Exchange
Garth Dolerite at Telephone Exchange (detail 2)
Garth Dolerite at Telephone Exchange (detail 3)
    Entry submitted by Ruth Siddall

Nearby

The closest other recorded buildings.

  • Royal Sportsman HotelGarth Dolerite200 m · about 3 min walk
  • Boho BazaarVerde Alpi290 m · about 5 min walk
  • Chandlers PlaceTremadoc Sandstone290 m · about 5 min walk
  • 100-104 High StreetGarth Dolerite340 m · about 5 min walk
  • Y Banc Tapas BarGarth Dolerite420 m · about 7 min walk
  • Browsers Book ShopFfestiniog Blue-Grey Slate420 m · about 7 min walk

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London Pavement Geology

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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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