- Photo
- Lidar Scan
- ERA: Mesozoic
- Period: Cretaceous (wiki, alpha)
- Epoch: Aptian / Albian
- Age: 125-100 million years ago
- Formation: Trinity Group
- Lithology: Gypsum
- Original location: 34.0758,-93.9005
- Donor organization: CertainTeed Gypsum
- Donor contact: Matt Porter
- Financial support:
- Liebelt Family Foundation
- MacNote: Massive gypsum from “stray bed” quarried in the middle of the Interbedded green and gray calcareous claystone and gypsum. Interbedded gypsum beds periodic drying and evaporation events punctuated by flooding events and clay/silt deposition along a low relief coast line (e.g. present day Trucial Coast, Arabian Gulf).
