The Great Stone blue plaque

Birmingham, Birmingham, England, United Kingdom

The Great Stone. This glacial erratic boulder was formed in an explosive volcanic eruption during the Ordovician period, 450-460 million years ago. During the ice age possibly up to 400,000 years ago, it was carried by an ice sheet from the Snowden area of North Wales and deposited with many others

around Northfield when the area was a frozen wasteland. For generations it lay at the corner of Church Road and Church Hill where it protected the Inn wall. The boulder was moved by Birmingham City Co

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