A public record of the stone in your built environmentExplore the mapBrowse all locationsFor researchersAbout the project
London Pavement Geology — home
Submit a location

Now extended for the rest of the UK

  • Explore
    • Map of all sites
    • Search Locations
  • Browse
  • Submit a Location
  • About
    • About this project
    • Project History
    • Further Reading
    • Useful Links
    • Mobile App
  • Contact

Categories

AllIgneousMetamorphicSedimentaryFossilStructure
 
 
 

Home/Explore the map/Browse A–Z: S

St Mary's Church Conwy

Conwy Rhyolite

  • Igneous
  • Rhyolitic Ash
  • Caradoc, Ordovician

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

  • WhatsApp (opens in a new tab)
  • Bluesky (opens in a new tab)
  • X (opens in a new tab)
  • Facebook (opens in a new tab)
  • Email

See the message

Just found Conwy Rhyolite in St Mary's Church Conwy.

Caradoc, Ordovician rhyolitic ash, quarried at Bodlondeb & Conwy Mountain, Cony, Gwynedd, North Wales. Nearest stop: Conwy.

This stone is older than it looks — worth five minutes if you're nearby.
https://www.londonpavementgeology.co.uk/location/3473-st-mary-s-church-conwy/

Location Details

Back to Map

Location of Geological Feature
Stone used in the main masonry.
Rock Type
Rhyolitic Ash
Geological Age
Caradoc, Ordovician
Quarry Location
Bodlondeb & Conwy Mountain, Cony, Gwynedd, North Wales.
Category
Igneous
Nearest station
Conwy
Address
Rose Hill Street LL32 8LD
Find out more
Stone identified by Ruth Siddall
St Mary's Church Conwy — Conwy Rhyolite
Conwy Rhyolite at St Mary's Church Conwy
Conwy Rhyolite at St Mary's Church Conwy (detail 2)
    Entry submitted by Ruth Siddall

More stone at St Mary's Church Conwy

  • Conwy Castle Grits
  • Gloddaeth Sandstone
  • White Limestone

Nearby

The closest other recorded buildings.

  • St John's Church ConwyConwy Castle Grits60 m · about 1 min walk
  • Conwy Municipal OfficesWhite Limestone80 m · about 1 min walk
  • Drew PritchardMottled Sandstone80 m · about 1 min walk
  • Castle HotelRuncorn Sandstone80 m · about 1 min walk
  • Bank BuildingsConwy Castle Grits80 m · about 1 min walk
  • Edward's ButchersWhite Limestone90 m · about 1 min walk

Suggest an Edit


London Pavement Geology

A public record of the stone in your built environment.

Like the site? Buy us a coffee

Explore

Map of all sitesSearch locationsBrowse every location

Contribute

Submit a locationContact us

About

About this projectProject historyFurther readingUseful links

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.

Privacy policyCookie policyTerms© 2026 London Pavement GeologyWeb design by Livetech

We would like to use Google Analytics to see which pages people find useful. It sets cookies in your browser, so we only do it if you say yes. Nothing about you is identified individually. What we use and why.