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Petoskey Stones From The Great Lakes, USA
A Beautiful Collection of Petoskey Stones Found Along the Beaches of the Great Lakes in Michigan. A Petoskey stone is a rock and a fossil, often pebble-shaped, that is composed of a fossilized rugose coral, 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. In those same areas of Michigan, complete fossilized coral colony heads can be found in the source rocks for the Petoskey stones. Petoskey stones are found in the Gravel Point Formation of the Traverse Group. They are fragments of a coral reef that was originally deposited during the Devonian period. When dry, the stone resembles ordinary limestone but when wet or polished using lapidary techniques, the distinctive mottled pattern of the six-sided coral fossils emerges. It is sometimes made into decorative objects. Other forms of fossilized coral are also found in the same location. In 1965, it was named the state stone of Michigan. Also featured in this video includes – – Brown Septarian Stone, found in Lake Michigan – Horn Coral, found in Lake Huron and Lake Michigan – Charlevoix Stone / Favosite, found on Lake Michigan Beach – Chain Coral – found in Lake Michigan – Quartz – found in Lake Huron – Agates – found in Lake Superior – Puddingstone – found in Lake Huron – Unakite – found in Lake Superior All these rocks from the Great Lakes, USA have been gifted to Stephen and Yhana by Nancy who runs the YouTube channel –
- Published: 29 October 2021
- Location: Essex, England
- Duration: 18:33
- Photography – Stephen Robert Kuta / Yhana Kuta
- Written by – Stephen Robert Kuta
Music –
Music Licensed by Epidemic Sound
A Beautiful Collection of Petoskey Stones Found Along the Beaches of the Great Lakes in Michigan. A Petoskey stone is a rock and a fossil, often pebble-shaped, that is composed of a fossilized rugose coral, 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. In those same areas of Michigan, complete fossilized coral colony heads can be found in the source rocks for the Petoskey stones. Petoskey stones are found in the Gravel Point Formation of the Traverse Group. They are fragments of a coral reef that was originally deposited during the Devonian period. When dry, the stone resembles ordinary limestone but when wet or polished using lapidary techniques, the distinctive mottled pattern of the six-sided coral fossils emerges. It is sometimes made into decorative objects. Other forms of fossilized coral are also found in the same location. In 1965, it was named the state stone of Michigan. Also featured in this video includes – – Brown Septarian Stone, found in Lake Michigan – Horn Coral, found in Lake Huron and Lake Michigan – Charlevoix Stone / Favosite, found on Lake Michigan Beach – Chain Coral – found in Lake Michigan – Quartz – found in Lake Huron – Agates – found in Lake Superior – Puddingstone – found in Lake Huron – Unakite – found in Lake Superior All these rocks from the Great Lakes, USA have been gifted to Stephen and Yhana by Nancy who runs the YouTube channel –
Modern Day Pilgrim Link to Channel Below –
https://www.youtube.com/c/ModernDayPi…
