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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.
Fossils of this genus form Petoskey stones, the state stone of Michigan. [1] They can be seen and found in most Midwestern U.S. states. Hexagonaria is a common constituent of the coral reefs exposed in Devonian Fossil Gorge below the Coralville Lake spillway [2] and in many exposures of the Coralville Formation in the vicinity of Coralville ...
The Petoskey Formation is an arenaceous limestone named for its locale (Petoskey, Michigan), and contains the eponymous Petoskey stones. The Whiskey Creek Formation is a limestone. The Traverse Group formed as a shallow carbonate shelf during the Devonian period (~419 to 359 Ma), when the most recent supercontinent , Pangea , was just beginning ...
Most of us know that George E. Merrick was the developer who planned Coral Gables, the City Beautiful. What many don’t know is that he was also a creative writer and a poet, and that his last ...
It is located in the city of Coral Gables, Miami-Dade County, just south of Miami, surrounded at the north and west by Matheson Hammock Park. Fairchild opened to the public in 1938. [1] Fairchild is a museum, laboratory, learning center, and conservation research facility whose main role is preserving biodiversity.
Aerial view of a 1963 Gables Estates house located at 140 Arvida Parkway is seen on Tuesday, Oct. 3, 2023, in Coral Gables, Fla, a month before the demolition started.
The MacFarlane Homestead Historic District is a U.S. historic district (designated as such on May 26, 1994) located in Coral Gables, Florida. The district is bounded by Jefferson Street, Frow Avenue, Brooker Street and Grand Avenue. It contains 32 historic buildings.
A type of fossil colonial coral, dating back to the Devonian period, was later discovered on his land and named after him as the Petoskey stone. [7] This was later declared the official state stone by Governor George Romney, who officially signed a bill to that effect. A granddaughter, Ella Jane Petoskey, was present at the signing. [8] [9]