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Masonic Hall

Hornblende Granite

  • Igneous
  • Granodiorite
  • Caledonian

Location Details

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Location of Geological Feature
Main building stone. This building was formerly Wesleyan Chapel. The hornblende-bearing grey granodiorite is widely used in Caernarfon, it is not a local stone and was probably brought in as ballast for the slate ships. It is very similar to both Irish Newry Granodiorite and Scottish granodiorite from the Criffell Intrusion.
Rock Type
Granodiorite
Geological Age
Caledonian
Quarry Location
Castlewellan, Co. Down, Northern Ireland or Dalbeattie, Dumfries & Galloway, Scotland
Category
Igneous
Nearest station
Bangor
Address
13, Castle Street
Date of build
1877
Masonic Hall — Hornblende Granite
Hornblende Granite at Masonic Hall
Hornblende Granite at Masonic Hall (detail 2)
    Entry submitted by Ruth Siddall

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