Hematitization and titanization suggest the hydrothermal fluids were oxidixing, which in turn reflects the oxidized nature of the parent magmas.

From the platforms at Wapping or Rotherhithe you can see the tunnel fleetingly illuminated as the trains approach; it looks so incredibly Victorian that you expect to see Jack the Ripper loitering between the arches.

Kinlochewe was heaving with cyclists and their vehicles on Saturday morning but somehow, the organisers had found space for everyone and the main roads were kept clear.

[…] we climbed up the scaffolding and did these gold little dubs and you couldn't see them.