- Photo
- Lidar Scan
- ERA: Cenozoic
- Period: Tertiary
- Epoch: Paleocene (wiki, alpha)
- Age: 66-56 million years ago
- Formation: Midway Group
- Lithology: Limestone
- Original location: 34.745302,-92.290832
- Donor organization: On permanent loan from Arkansas Geological Survey
- Donor contact: Scott Ausbrooks / Angela Chandler
- Financial support:
- Hogback Exploration (Gerry Lundy)
- Note: Cylindrical core specimen collected from AR state capital site. Representative specimen of fossiliferous, buggy limestone from shortly after the Cretaceous-Tertiary boundary that famously is marked by a large asteroid impact with global iridium layer and resulting mass extinction (including the dinosaur group).
