Dinosaurs · Fossils
Bones in rock, tracks, teeth, and the detective work of paleontology.
Dinosaurs / Fossils
How bones become rock — and how scientists read dinosaur clues.
Millions of yrs
Typical age
Bone → rock
Common path
Tracks too
Not just bones
Sediment
Best fossil rock
The basics
A dinosaur dies, gets buried fast by mud or sand, and minerals slowly replace the bone — turning it into a rocky time capsule.
Science
They dig, map, clean, and compare fossils — reconstructing size, diet, and how extinct animals moved.
Rare, but possible in the right rocks — always check local rules and leave finds to experts if you’re unsure.
Keep exploring
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