2020
NZ6209 : Quarry Plantation
taken 4 years ago, near to Kildale, North Yorkshire, England
Quarry Plantation
This deep hole to the side of Petlar's Bridge over the Eskdale Line, pre-dates the railway by half a century. Whinstone was being extracted from here in the 1830s it was abandoned by the 1880s presumably as it had been worked out.
Whinstone is geologically a basaultic andesite with plagioclase and pyroene phenocrysts in a devitrified glassy groundmass. The dyke is generally 22-28m wide.
The dyke is mapped from the coast of Cleveland, across northern England, the Southern Uplands and Midland Valley of Scotland. It can be traced to the Isle of Mull where a dyke swarm emminates. It is an Igneous intrusion.
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