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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.
Nobles Pond site is a 25-acre archaeological site near Canton in Stark County, Ohio, and is a historical site with The Ohio Historical Society.It is one of the largest Clovis culture sites in North America.
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A 2010 effort led by State Senator Gloria J. Romero, a Democrat from Los Angeles, sought to remove serpentine from its perch as the state's official stone. Organizations such as the Asbestos Disease Awareness Organization have supported the move as the olive green rock is a source of chrysotile , a form of asbestos that can cause mesothelioma ...
A particular variety of stone was found in abundance on his former lands and named after him, and the Petoskey stone was designated as the official state stone. His granddaughter, Ella Jane Petoskey, was asked by Michigan Governor George W. Romney to be an honored signatory on the bill assigning the Petoskey Stone as the state stone.
Petoskey, Michigan: Petoskey Resort Store 215 Howard Street. [38] Open summers only. Jun 14, 1947 [39] [38] Sep 9, 1974 [40] New York metro area New Haven, Connecticut New Haven University Shop 290 York Street. [22] 3,613 sq ft (336 m 2) [22] Oct 9, 1948 [22] closed 017 PT Pittsburgh: Downtown: Pittsburgh
The “Petoskey Stone” is the official stone of the state of Michigan. Hexagonaria percarinata was known by many earlier American paleontologists as Acervularia profunda and Cyathophyllum davidsoni. In the recent past it was usually identified as Prismatophyllum davidsoni." (emphasis added) Clearly this indicates that Prismatophyllum ...
Occurring here in relatively pure form, the red metal could be broken out of the rock and worked to make a wide variety of products, from jewelry and tools by its earliest miners to coins and electric wire by its final generations. Keweenaw copper was mined for approximately 7,000 years, from 5000 BCE until 1968. During the period for which ...
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