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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.
The Traverse Group is a geologic group in Michigan, Indiana and Ohio comprising middle Devonian limestones with calcareous shale components. [1] [2] Its marine fossils notably include Michigan's state stone, the Petoskey stone (the extinct coral Hexagonaria percarinata), among other corals and records of ancient marine life.
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 ...
Though not really a castle and not really made of coral, world-famous structure built by one man is considered an engineering marvel
Fossil of the Devonian colonial rugose coral Hexagonaria, also known as a Petoskey stone †Hexagonaria †Hexagonaria anna †Hexagonaria stewartae †Hexagonaria tabulata †Hexagonaria truncata †Hexameroceras †Hindella †Hindia †Hippocardia †Hippocardia herricki – type locality for species †Hippocardia hydei – type locality ...
Petoskey stone, a fossilized coral that is the state stone of Michigan. Topics referred to by the same term This disambiguation page lists articles associated with the title Petoskey .
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 city of Coral Gables purchased the Miracle building from Wometco Enterprises and closed it as a full-time cinema to make it a performing arts regional theater in April 1995, upon the arrival ...