Lance Formation
| Use attributes for filter ! | |
| Named for | Lance Creek |
|---|---|
| Overlies | Meeteetse Formation |
| Underlies | Fort Union Formation |
| Primary | Sandstone |
| Siltstone | |
| Shale | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3040638 |
About Lance Formation
The Lance Formation is a division of Late Cretaceous rocks in the western United States. Named after Lance Creek, Wyoming, the microvertebrate fossils and dinosaurs represent important components of the latest Mesozoic vertebrate faunas.