Pogonip Group
Pogonip Group Stratigraphic range: Early Ordovician stage Ordovician period | |
---|---|
Type | Geologic group |
Sub-units |
Antelope Valley Limestone Ninemile Formation Goodwin Limestone |
Underlies | Copenhagen Formation |
Overlies | Windfall Formation |
Location | |
Region |
Nevada Utah |
Country | United States |
The Pogonip Group is an Ordovician period geologic group located in southern Nevada and in Utah.
Geology
Its subunits in Nevada, from youngest/later to oldest/earlier, are:
- Goodwin Limestone — 1,800 metres (5,900 ft) thick
- Ninemile Formation — 550 metres (1,800 ft) thick
- Antelope Valley Limestone — 1,100 metres (3,600 ft) thick
It preserves fossils dating back to the Early Ordovician stage of the Ordovician period.
See also
- List of fossiliferous stratigraphic units in Nevada
- List of fossiliferous stratigraphic units in Utah
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 8 July 2014.
This article is issued from Wikipedia - version of the 5/2/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.