Pogonip Group | |
---|---|
Stratigraphic range:
Early Ordovician stage Ordovician period | |
Type | Geologic group |
Sub-units |
Antelope Valley Limestone Ninemile Formation Goodwin Limestone [1] |
Underlies | Copenhagen Formation |
Overlies | Windfall Formation |
Location | |
Region |
Nevada Utah |
Country | United States |
Type section | |
Named for | Pogonip Ridge, White Pine County, Nevada [2] |
Named by | Clarence King [2] |
The Pogonip Group is an Ordovician period [3] geologic group located in southern Nevada and in Utah.
Its subunits in Nevada, from youngest/later to oldest/earlier, are:
It preserves fossils dating back to the Early Ordovician stage of the Ordovician period.