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Agatized Dino Bone For Bill Magee
40 small pieces between 1-3" wide. 4 large pieces up to 6 inches wide. About 14 lbs in total
This is a chunk of Jurassic aged, agatized dinosaur bone from the Morrison Formation. You can clearly see the preserved cell structure. It may have come from any of the dinosaurs found in the Morrison Formation including Allosaurus, Apatosaurus, Brachiosaurus, Camarasaurus, Diplodocus, Stegosaurus, and Torvosaurus.
It comes from one of our partner's private quarries outside of Dinosaur, Colorado. While complete or even near complete bones are uncommon finds, broken and tumbled fragments of bone are very common in many layers of the Morrison Formation.
This is a chunk of Jurassic aged, agatized dinosaur bone from the Morrison Formation. You can clearly see the preserved cell structure. It may have come from any of the dinosaurs found in the Morrison Formation including Allosaurus, Apatosaurus, Brachiosaurus, Camarasaurus, Diplodocus, Stegosaurus, and Torvosaurus.
It comes from one of our partner's private quarries outside of Dinosaur, Colorado. While complete or even near complete bones are uncommon finds, broken and tumbled fragments of bone are very common in many layers of the Morrison Formation.
Agatized or agate replaced dinosaur bone is a rare form of fossilized dinosaur bone where the original fossilized bone, typically permineralized with calcite, has been re-mineralized with silica-type compounds such as agate, jasper, chalcedony, or opal.
In a unique and isolated circumstance, the strata on the Colorado Plateau were uplifted during the tertiary intrusions about 35 million years ago when the San Rafael Swell and the La Sals, Henry, and Abajo Mountains were formed. As these ranges were forming, local strata layers were flooded with silica-rich, superheated groundwater. This provided the appropriate environment to start this calcite-silicate replacement in the original fossils. The most prolific layers of gem bone come from the Morrison Formation, which is late Jurassic in age.
In a unique and isolated circumstance, the strata on the Colorado Plateau were uplifted during the tertiary intrusions about 35 million years ago when the San Rafael Swell and the La Sals, Henry, and Abajo Mountains were formed. As these ranges were forming, local strata layers were flooded with silica-rich, superheated groundwater. This provided the appropriate environment to start this calcite-silicate replacement in the original fossils. The most prolific layers of gem bone come from the Morrison Formation, which is late Jurassic in age.
SPECIES
Unknown
AGE
LOCATION
Quarry near Dinosaur, Colorado
FORMATION
Morrison Formation
SIZE
1-3" wide
CATEGORY
SUB CATEGORY
ITEM
#36540
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