Porvenir Formation | |
---|---|
Stratigraphic range: | |
Type | Formation |
Underlies | Alamitos Formation |
Overlies | Sandia Formation |
Thickness | 700–1,615 ft (213–492 m) |
Lithology | |
Primary | Limestone |
Other | Sandstone, shale |
Location | |
Coordinates | 35°42′14″N 105°24′18″W / 35.704°N 105.405°W |
Region | New Mexico |
Country | United States |
Type section | |
Named for | El Porvenir Campground |
Named by | Baltz and Myers |
Year defined | 1984 |
The Porvenir Formation is a geologic formation exposed in the southeastern Sangre de Cristo Mountains of New Mexico. It preserves fossils dating back to the middle Pennsylvanian period.[1]