The Nahanni Formation is a stratigraphical unit of Givetian age in the Western Canadian Sedimentary Basin .
5-673: It takes the name from Nahanni Butte , a prominent ridge at the confluence of the South Nahanni River and Liard River , and was first described in outcrop on the south face of the mountain by C.O. Hage in 1945. The Nahanni Formation is composed of dolomitic limestone . gas is produced from the Nahanni Formation in the Mackenzie River Valley. The Nahanni Formation contains paleofauna composed of corals , brachiopods and trilobites . The Nahanni Formation reaches
10-716: A maximum thickness of 137 metres (450 ft) at Nahanni Butte , and has typical thickness of 60 metres (200 ft). It occurs from the Franklin Mountains in the north to north-eastern British Columbia in the south. The Nahanni Formation is conformably overlain by the Fort Simpson Formation in the west and by the Horn River Formation in the east. It overlays the Headless Formation diachronically and transitionally, with younger deposits occurring in
15-716: Is a "Designated Authority" in the Dehcho Region of the Northwest Territories , Canada. The community is located at the confluence of the Liard and South Nahanni Rivers in the southwestern part of the NWT. Although it was not normally accessible by road, a winter road was constructed yearly until an all-season road was completed in October 2010 as far as the Liard River. Access from there
20-502: Is by river taxi in summer and ice road in winter; there are no plans for a vehicle ferry. In the 2021 Census of Population conducted by Statistics Canada , Nahanni Butte had a population of 81 living in 33 of its 39 total private dwellings, a change of -6.9% from its 2016 population of 87 . With a land area of 79.42 km (30.66 sq mi), it had a population density of 1.0/km (2.6/sq mi) in 2021. In 2016, there were 80 First Nations people and 40 people speak
25-752: The west. It is equivalent to the upper part of the Hume Formation in the Mackenzie River area, as well as the Lonely Bay Formation , Pine Point Formation and Little Buffalo Formation in the Great Slave Lake area. In northern Alberta it corresponds to the Keg River Formation . Nahanni Butte Nahanni Butte ( / n ə ˈ h æ n i / nə- HAN -ee ; Slavey language : Tthenáágó [t̪θɛnáːkó] "strong rock")
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