Analysis of Jurassic Era Fossil from Morrison Formation near Denver
Detailed analysis of a suspected Jurassic era dinosaur bone discovered in the Morrison Formation, near Denver Colorado.
Camarasaurus, Apatosaurus, Stegosaurus or Allosaurus Fossil
Physical Analysis
The specimen appears to be a fossilized bone fragment. Measuring approximately 3 inches in length, displaying characteristic mineralization consistent with Jurassic-era fossils from the Morrison Formation. The brownish-tan coloration and surface texture are typical of fossils from this geological context.
Assessment
Natural Features
- Natural weathering patterns
- Mineral replacement typical of Morrison Formation fossils
- Size and proportions consistent with dinosaur bone fragments
Potential Species
Sauropod Possibilities
- A finger or toe bone (phalanx) from a Camarasaurus
- A fragmentary metacarpal from a young Apatosaurus
- A partial toe bone from a Diplodocus
Ornithischian Options
- A partial foot bone from a Stegosaurus
- A phalangeal fragment from a Camptosaurus
Diagnostic Features
- A gently curved profile
- Tapered end structure
- Dense, compact bone tissue
- Weathered surface texture typical of Morrison Formation fossils
- Size consistent with smaller appendicular elements
Geological Context
The Morrison Formation, dating from the Late Jurassic period (approximately 157-150 million years ago), is one of North America's most significant dinosaur fossil sources. This formation extends across the western United States and is known for preserving remains of numerous dinosaur species including Camarasaurus, Apatosaurus, Stegosaurus, and Allosaurus.
Conclusion
The specimen's location, physical characteristics, and geological context strongly suggest it is a genuine Jurassic-era fossil bone fragment from the Morrison Formation. While the area may be known for both dinosaur fossils and portable rock art, this particular specimen appears to be purely paleontological rather than archaeological in nature.