Dolostone chosen as State Rock of Illinois 00:21. LISLE, Ill. (CBS)-- It is now official – the chosen rock of the State of Illinois is dolostone. At the Morton Arboretum in Lisle Monday, Gov. JB ...

Dolostone, a form of limestone, forms the majority of Illinois’s bedrock, establishing a foundation for the state’s other natural terrain. Its name comes from its original discovery in the ...

House Bill 4261, which sought to designate dolostone as the official state rock of Illinois, was first introduced in January and became a reality Monday, as Pritzker signed it into law.

Dolostone is a common variety of limestone, characterized by its high content of calcium and magnesium. Calcium and magnesium are commonly found in seawater, ...

The cardinal, the white oak and sweet corn have a new official friend — Dolostone. Dolostone was designated the official state rock of Illinois Monday, and is now associated with the above state ...

Dolostone fo... swCooler than sandstone or limestone, and packing a punch of magnesium, dolostone became Illinois' official state rock Monday thanks to the efforts of junior geologists from the ...

A research team outlines how it identified and bestowed a moniker upon a previously unexplored 500 million-year-old Grand Canyon formation: The Frenchman Mountain Dolostone. The newly named rock ...

Wauwatosa dolostone is used in buildings across Wisconsin, but where did it come from? A geologist tells its story, from its origin 425 million years ago to its use as a building material today.

(Dolostone is a type of sedimentary rock composed of the carbonate mineral, dolomite; it's called cap dolostone when it overlies a glacial deposit.) ...

The dolostone is composed of thin laminations, with tepee-like structures and cavities filled with botryoidal cement and pyrite, pointing to high-energy depositional environments nearshore.

The chosen rock was Dolostone, a form of limestone. According to a release from the governor’s office, House Bill 4261 began as an initiative led by a group of elementary school students from ...