Plate Tectonics and the Cambrian World

An animation of the globe showing the location of the continents in 21 slices of time going back from the present to the time of the Burgess Shale (Middle Cambrian). (0:21)

Present
DESCRIPTION: Present

20 million years ago Miocene
DESCRIPTION: 20 million years ago Miocene

30 million years ago Oligocene
DESCRIPTION: 30 million years ago Oligocene

40 million years ago Eocene
DESCRIPTION: 40 million years ago Eocene

65 million years ago Last dinosaurs
DESCRIPTION: 65 million years ago Last dinosaurs

100 million years ago Middle Cretaceous
DESCRIPTION: 100 million years ago Middle Cretaceous

130 million years ago Early Cretaceous
DESCRIPTION: 130 million years ago Early Cretaceous

150 million years ago Late Jurassic
DESCRIPTION: 150 million years ago Late Jurassic

170 million years ago Middle Jurassic
DESCRIPTION: 170 million years ago Middle Jurassic

200 million years ago Late Triassic
DESCRIPTION: 200 million years ago Late Triassic

230 million years ago Middle Triassic
DESCRIPTION: 230 million years ago Middle Triassic

250 million years ago Late Permian
DESCRIPTION: 250 million years ago Late Permian

280 million years ago Early Permian
DESCRIPTION: 280 million years ago Early Permian

300 million years ago Late Carboniferous
DESCRIPTION: 300 million years ago Late Carboniferous

340 million years ago Early Carboniferous
DESCRIPTION: 340 million years ago Early Carboniferous

390 million years ago Middle Devonian
DESCRIPTION: 390 million years ago Middle Devonian

410 million years ago Early Devonian
DESCRIPTION: 410 million years ago Early Devonian

430 million years ago Silurian
DESCRIPTION: 430 million years ago Silurian

450 million years ago Late Ordovician
DESCRIPTION: 450 million years ago Late Ordovician

470 million years ago Middle Ordovician
DESCRIPTION: 470 million years ago Middle Ordovician

505 million years ago Middle Cambrian: Age of the Burgess Shale
DESCRIPTION: 505 million years ago Middle Cambrian: Age of the Burgess Shale

Images © Ron Blakey