We were walking past it today (visiting from Newcastle) and we’re certain it’s a volcanic formation but not sure exactly what kind of rock it is.
By admin Posted in: Edinburgh
We were walking past it today (visiting from Newcastle) and we’re certain it’s a volcanic formation but not sure exactly what kind of rock it is.
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It’s built upon on old volcanic plug, which consists of dolerite, which is a type of basalt.
it is graphite