Pogonip Group
From Infogalactic: the planetary knowledge core
| 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
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