The Shelburne dike, also known as the Great Dike, is a large northeast-trending Mesozoic diabase dike in southwestern Nova Scotia, Canada. It is 140 km (87 mi) long, although some evidence suggests it extends a further 60 km (37 mi) to the northeast to Sambro Island.
The Shelburne dike, also known as the Great Dike, is a large northeast-trending Mesozoic diabase dike in southwestern Nova Scotia, Canada. It is 140 km (87 mi) long, although some evidence suggests it extends a further 60 km (37 mi) to the northeast to Sambro Island.
Source: Wikipedia "Shelburne dike" · CC BY-SA 4.0
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