J.B. Pritzker announced the official state rock - dolostone. So, what exactly is dolostone? Dolostone is a sedimentary rock composed of dolomite, which is made up of calcium magnesium carbonate ...

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 Pritzker signed an Illinois signed an Illinois ...

this paper puts forward the term “plastistone”—first coined in 2022—to keep nomenclature aligned with other sedimentary rock, such as limestone, dolostone, sandstone, and mudstone.

Frenchman mountain dolostone: 500 million-year-old grand canyon rock layer finally gets a name. ScienceDaily . Retrieved May 31, 2025 from www.sciencedaily.com / releases / 2023 / 05 ...

Jan. 28 (UPI) --Scientists have found the world's oldest terrestrial fossil hiding inside 635 million-year-old sedimentary dolostone rocks from China. Researchers estimate the record-setting fungi ...

Gov. J.B. Pritzker signed a bill making dolostone Illinois' official state rock Monday thanks to the efforts of junior geologists from the suburbs. Dolostone forms much of northern Illinois ...

The chosen rock was Dolostone, a form of limestone. According to the release, Dolostone forms the majority of Illinois’ bedrock. Its name comes from its original discovery in the Dolomite Alps.

Figure 1: Crystallization temperatures (based on Δ 47 measurements) and C and O stable isotope data from various carbonate phases in two samples of the Doushantuo Formation cap dolostone.