Prompt
"Aerial view of a vast, ancient lakebed with layered rock formations, fossil-rich sediment, and a mix of limestone, mudstone, and siltstone, set against a backdrop of surrounding mountains, representing the Green River Formation, a significant geological formation from the Eocene epoch, 56 to 34 million years ago, in Colorado, Wyoming, or Utah, with notable features like Fossil Lake, Lake Gosiute, and Lake Uinta."