St. Paul's cathedral

  1. St Paul's Choir School: this is clad in Portland Roach Limestone crammed with Jurassic fossils: Trigonia (a bivalve), Protocerithium (turreted snail), and calcareous algae (cauliflower shapes).
  2. Dundas memorial: Carrara Marble.
  3. Central marble floor star: this shows radiating inlays of red Griotte Marble from Belgium with black Italian Marble.
  4. Large font, a single block of Carrara Marble with grey veins.
  5. Florence Nightingale memorial (crypt), in pink Chellaston alabaster.
  6. Wellington memorial: white Carrara and black Belgian Marble.
  7. The Queen Anne statue is of Carrara Marble from Italy.

Learn more about St Paul's building stones in the Holiday Geology Guide available from the BGS Bookshop.

An artist's impression of St. Paul's Cathedral