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70-74 Cannon Street

Imperial Porphyry

  • Igneous
  • Andesite Porphyry
  • 630-592 Ma

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

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Just found Imperial Porphyry in 70-74 Cannon Street.

630-592 Ma andesite porphyry, quarried at Hurghada, Eastern Desert, Egypt. Nearest stop: Cannon Street LU.

This stone is older than it looks — worth five minutes if you're nearby.
https://www.londonpavementgeology.co.uk/location/954-70-74-cannon-street/

Location Details

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Location of Geological Feature
Cladding on pilasters around the shop windows.
Rock Type
Andesite Porphyry
Geological Age
630-592 Ma
Quarry Location
Hurghada, Eastern Desert, Egypt.
Category
Igneous
Nearest station
Cannon Street LU
Address
70-74, Cannon Street EC4N 6AE
70-74 Cannon Street — Imperial Porphyry
Imperial Porphyry at 70-74 Cannon Street
Imperial Porphyry at 70-74 Cannon Street (detail 2)
    Entry submitted by Ruth

Nearby

The closest other recorded buildings.

  • 68-70, Cannon StreetFlisa Rhyolite20 m · about 1 min walk
  • Forgotten StreamsPietra Luserna30 m · about 1 min walk
  • Tallow Chandlers' HallDark Shap Granite30 m · about 1 min walk
  • Bloomberg HQStanton Moor Stone40 m · about 1 min walk
  • Dowgate Hill HousePortland Stone; Roach60 m · about 1 min walk
  • 103, Cannon Street (All Bar One)Peterhead Granite70 m · about 1 min walk

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Funding, sponsorship and supporting institutions

  • Marelambis Ltd.
  • University College London
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  • 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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