A 93-pound Petoskey stone found in Lake Michigan was later confiscated by the Michigan Department of Natural Resources 10 years ago. It is now on display at the DNR's Outdoor Adventure Center, 1801 ...

Records of these conditions have been left behind in the layers of limestone and mudstone in local bedrock. The fossils that these layers contain are world-famous for the details that they record ...

The team led by the University of Cambridge published their study in the journal Nature and thought that the new fossil could attest to why birds survived the mass extinction event at the end of ...

The calcium carbonate precipitated out of the water and eventually solidified into limestone. Numerous marine organisms used the dissolved calcium carbonate in the seawater to form internal skeletons ...

For most organisms on Earth, rocks are objects, not food. But for one oddball microbe, desert limestone seems to have been on ...

Some of our area's unique geological features and the processes that occurred to form them are: The fossil content of local limestone shows the diversity of life in the late Ordovician period.

Mudstone, shale, and limestone are examples of sedimentary rock likely to contain fossils. As the layers of sediment build up on top of one another, they create a physical timeline. The oldest layers, ...

Rockport State Recreation Area is known to have exposed fossils from the Devonian period – more than 400 million years ago. A trek to the abandoned, 300-acre limestone quarry at the park is “a ...

Citizen scientists are encouraged to find and log fossils in urban and natural settings to create a national fossil map ...