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Found primarily in metamorphic rocks
with their proportions varying based on the specimen's individual cooling trajectory and parent body metamorphism
approximately 50 million years ago
It typically forms in regional metamorphic environments where pre-existing rocks
5 million years
2.4" Brittlestar Ophiura Sp Starfish Fossil Ordovician Age Morocco COA Mammoth Tooth Found primarily in metamorphic rocksLocation: Kataoua Formation, Blekus, Morocco Weight: 4 Ounces Dimension: 3. 8 Inches Long, 2. 4 Inches Wide, 0. 6 Inches Thick (Plate) Starfish Dimensions: 2. 4 Inches Long, 1. 6 Inches Wide Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Brittlestar Ophiura Sp This fascinating limestone slab originates from Middle Upper Ordovician rocks, about 450 million years old, found in the Anti Atlas region of the