Aguja Formation
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The Aguja Formation is a geological formation in North America, exposed in Texas, United States and Chihuahua and Coahuila in Mexico, whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1] Fossil palms have also been unearthed here.[2]
Quick Facts Type, Unit of ...
Aguja Formation | |
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Stratigraphic range: Lower to Middle Campanian ~81.5–76.9 Ma | |
Type | Geological formation |
Unit of | Tornillo Group |
Sub-units | Upper Shale, Terlingua Creek Sandstone, Rattlesnake Mt. Sandstone, Lower Shale & Basal Sandstone Members |
Underlies | Javelina Formation |
Overlies | Pen Formation |
Lithology | |
Primary | Sandstone, conglomerate, claystone |
Other | Mudstone, shale, limestone |
Location | |
Coordinates | 29.3°N 103.5°W / 29.3; -103.5 |
Approximate paleocoordinates | 35.8°N 77.0°W / 35.8; -77.0 |
Region | Texas Chihuahua Coahuila |
Country | USA Mexico |
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