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The northeastern basement complex contains rocks which date 2.44 billion years ago. All of the map is Precambrian in age. [37] [38] Map1 Glacial limits in North America of the glaciations. [28] Map Aerial photo of Crestwynd which is east of Old Wives Lake and west of Cactus Hills. The aerial photo shows ridges from north est to southeast.
The Western Canada Sedimentary Basin (WCSB) [1] [2] underlies 1.4 million square kilometres (540,000 sq mi) of Western Canada including southwestern Manitoba, southern Saskatchewan, Alberta, northeastern British Columbia and the southwest corner of the Northwest Territories.
The Flin Flon greenstone belt, also referred to as the Flin Flon – Snow Lake greenstone belt, is a Precambrian greenstone belt located in the central area of Manitoba and east-central Saskatchewan, Canada (near Flin Flon). It lies in the central portion of the Trans-Hudson orogeny and was formed by arc volcanism during the Paleoproterozoic ...
The rocks that now form the surface of the shield were once far below the Earth's surface. The high pressures and temperatures at those depths provided ideal conditions for mineralization. Although these mountains are now heavily eroded, many large mountains still exist in Canada's far north called the Arctic Cordillera. This is a vast, deeply ...
It covers about 100,000 square kilometres (39,000 sq mi) in Saskatchewan and a small portion of Alberta. The surface of the basin consists of main sandstone sediment varying from 100 to 1,000 metres (330 to 3,280 ft) in depth. The uranium ore is mostly found at the base of this sandstone, at the point where it meets the basement.
The Cypress Hills Formation is a stratigraphic unit of middle Eocene to early Miocene age [4] in the Western Canada Sedimentary Basin.It is named for the Cypress Hills of southeastern Alberta and southwestern Saskatchewan and was first described from outcrops on the slopes of the Cypress Hills in 1930. [3]
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Carswell is an impact structure within the Athabasca Basin of the Canadian Shield in northern Saskatchewan, Canada. [1] It is 39 kilometres (24 mi) in diameter and the age is estimated to be 115 ± 10 million years (Lower Cretaceous). The impact structure is exposed at the surface. Landsat image with crater structure overlain.