2.1" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Petoskey along continental shelves

along continental shelves

Lunar meteorites like this one showcase the moon's geological diversity through their unique mineral compositions and textures—each specimen a window into lunar geology and planetary history

" evolved from diminutive

This process created laminated limestones that hold the highest concentration of fossil fish in the world

spanning nearly 140 million years—from around 201 million years ago until their extinction 66 million years ago

2.1" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Petoskey along continental shelvesLocation: Cloverly Formation, Montana Weight: 2. 3 Ounces Dimensions: 2. 1 Inches Long, 1. 9 Inches Wide, 0. 8 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Gastrolith stones identified in the Cloverly Formation are actually polished stomach stones from large dinosaurs, particularly Sauropods such as Titanosaurs. These beautiful, rare stones, called gastroliths, are found in only a few locations