Espinaso Formation
A geologic formation in New Mexico / From Wikipedia, the free encyclopedia
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The Espinaso Formation is a geologic formation in New Mexico. It has a radiometric age of 34.6 to 26.9 million years, corresponding to the late Eocene through Oligocene epochs.
Quick Facts Type, Underlies ...
Espinaso Formation | |
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Stratigraphic range: Late Eocene to Early Oligocene 34.6–26.9 Ma | |
Type | Formation |
Underlies | Tanos Formation |
Overlies | Galisteo Formation |
Thickness | 430 m (1,410 ft) |
Lithology | |
Primary | Volcaniclastic |
Location | |
Coordinates | 35.4065805°N 106.3183249°W / 35.4065805; -106.3183249 |
Region | Central New Mexico |
Country | United States |
Type section | |
Named for | Espinaso Ridge |
Named by | K. Bryan and J.E. Upson |
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