A groundbreaking study of 7,000-year-old exposed coral reef fossils reveals how human fishing has transformed Caribbean reef food webs: As sharks declined by 75 percent and fish preferred by humans ...

When we think of fossils, giant prehistoric creatures like dinosaurs may come to mind. But the fossil record also holds the remains of smaller organisms, such as fish and corals, that tell us about ...

Petoskey and Charlevoix stones are both fossilized coral from the Devonian Age, found in Michigan. Petoskey stones have a larger, more symmetrical hexagonal pattern than Charlevoix stones. Rock ...

Agatized coral is one of nature’s rarest and most stunning geological creations. Formed over 20 million years, this fossilized coral has been slowly replaced with agate, creating colors and patterns ...

Lead author Carra Williams, a PhD student in geosciences at the University of Sydney, here holds a fossilised coral core that has undergone neutron scanning. A University of Sydney student has ...

L-1437 (Shell Rock Chert): Unknown collection procedure. Collection includes raw material, outer surface, surrounding matrix, archaeological specimens (?), modern flint-knappers' work, heat-treated ...