Baltic Shield Sarmatian craton Volgo–Uralia East European craton Baltica supercontinent Columbia art continent East history
The geological history of Europe traces back to the formation of the Baltic Shield (Fennoscandia) and the Sarmatian craton, both around 2.25 billion years ago, followed by the Volgo–Uralia shield, the three together leading to the East European craton (≈ Baltica) which became a part of the supercontinent Columbia.