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A Petoskey stone is a rock and a fossil, often pebble-shaped, that is composed of a fossilized rugose coral, Hexagonaria percarinata. [1] Such stones were formed as a result of glaciation, in which sheets of ice plucked stones from the bedrock, grinding off their rough edges and depositing them in the northwestern (and some in the northeastern) portion of Michigan's lower peninsula.
Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper
The Moccasin Bluff site (also designated 20BE8) is an archaeological site located along the Red Bud Trail and the St. Joseph River north of Buchanan, Michigan.It was listed on the National Register of Historic Places in 1977, [1] and has been classified as a multi-component prehistoric site with the major component dating to the Late Woodland/Upper Mississippian period.
The preservation of fossils in Michigan resumed when the last glaciers withdrew from the state. Between 17,000 and 13,000 years ago, much of Michigan's icy covering had disappeared. After the glaciers melted much of the state was covered in large lakes made of glacial meltwater. By 10,000 years ago many of these lakes had dried.
Researchers discovered a 500-year-old compass in a hidden chamber in Frombork, Poland, possibly used by Copernicus, shedding light on his astronomical work.
The tomb was about 400 years old, dating to the Ming dynasty, and well-preserved, archaeologists said. The roughly 83-foot-long grave was made up of a sloping passageway, main burial chamber and ...
After firing up Google’s map software to plan a camping trip in Quebec’s Côte-Nord region, he told CBC, he found the curve of what turned out to be a roughly nine-mile-diameter pit near a ...
The Michigan Condensed Milk Factory (owned by the Borden family) was constructed in 1908 and used as a creamery until 1960. After laying vacant for 40 years, it was refurbished in 2003–2009, and now houses the offices of the City of Mount Pleasant. 3: Mount Pleasant Downtown Historic District: Mount Pleasant Downtown Historic District