Darwin's Galapagos

geology

They are all volcanic: on two, craters have been seen in eruption, and on several of the other islands, streams of lava have a recent appearance.
— Charles Darwin, Geological Observations on Volcanic Islands

  • Darwin, Geologist
  • Plate Tectonics
  • Galápagos Volcanos
  • Parasitic Cones
  • Lava Flows
  • Lava Caves and Pit Craters