About 430 million years ago during the Silurian period, the Midlands area of the UK was covered by the shallow Iapetus Ocean. Because it was near to the equator the tropical waters saw the development of coral reefs, shellfish and other invertebrate creatures.
During this time, most of the earth’s dry land was concentrated in the Gondwana supercontinent, which covered the south pole. In the northern hemisphere, three smaller continents named Baltica, Laurentia and Avalonia drifted towards each other and eventually collided. At the junction of the last two, a ridge of limestone was pushed up out of the sea creating a line of hills that can still be seen near the town of Dudley.
Continue reading Wren’s Nest National Nature Reserve at Dudley