Petoskey Stones, the state stone of Michigan, are fossilized coral resulting from glaciation and are often polished to reveal the beautiful pattern of the 6 sided coral colonies. #Geology #Petoskey_Stone #Michigan
A gigantic crack has appeared in the foothills of the Bighorn Mountains in northern Wyoming. This crack isn’t just a few meters wide, mind you: it has opened up a gap 685 meters (2,250 feet) long and 45 meters (150 feet) wide. The locals are somewhat