Several thin dikes of olivine basalt and diabase were noted along the Valley and Upper Churchill River valleys. These dikes have approximate east-west trends and are completely post tectonic. Their age, other than being post-Helikian, is unknown.
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Churchill Falls, originally known as Grand River, starts from Ashuanipi Lake and empties into Lake Melville and drops a total of 528m (1735ft).
Stream sedirnents from a 13 000 km2, previously glaciated arca in central Labrador near. Churchill Falls were examined for their heavy mineral content.
In the map area, the Churchill Falls Terrane contains granitoid rocks of the ca. 1650 Ma Trans-Labrador batholith and mafic rocks of the ca. 1430 Ma ...
... Falls. Fifty-five years later in 1894, geologist, A.P. Low, recognized the Churchill River as a potentially huge source of hydroelectric power, reporting ...
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Eighty strategically placed dikes pooled the vast waters of the Labrador Plateau in the Smallwood Reservoir. A massive underground powerhouse - until the James ...
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