Nahanni Formation
From Wikipedia, the free encyclopedia
OverliesHeadless Formation
Thicknessup to 137 metres (450 ft)[1]
| Nahanni Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Underlies | Fort Simpson Formation Horn River Formation |
| Overlies | Headless Formation |
| Thickness | up to 137 metres (450 ft)[1] |
| Lithology | |
| Primary | Limestone |
| Location | |
| Coordinates | 61°03′0″N 123°37′0″W / 61.05000°N 123.61667°W |
| Region | WCSB |
| Country | Canada |
| Type section | |
| Named for | Nahanni Butte |
| Named by | C.O. Hage |
| Year defined | 1945 |
The Nahanni Formation is a stratigraphic unit of Givetian age in the Western Canadian Sedimentary Basin.
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.[2]
Petroleum geology
The Nahanni Formation is composed of dolomitic limestone. [1]
gas is produced from the Nahanni Formation in the Mackenzie River Valley.
Paleontology
The Nahanni Formation contains paleofauna composed of corals, brachiopods and trilobites.