Now it’s part of history lore, but once there actually was a colossal black rock (Onondaga limestone) in Black Rock. It was located on the river at the bend of Niagara Street at Massachusetts ...

As much as we know about Plymouth Rock, there's one piece of stone that ... In the heart of historic Jamestown, Virginia, a mysterious black limestone tombstone has been turning everything ...

Those pre-historic peoples who traveled the Great Basin may have seen the Black Rock itself crash down from the nearby Oquirrh Mountains, leaving that massive lump of limestone near the water's edge.

The artifact is often referred to as the black marble knight’s tombstone. But it’s actually made out of limestone. (At the time, the stone industry referred to any polished rock as marble.) ...