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Nonconformity along the road

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Geological POI
Location type: Geological POI
Location address: Greece, Lemnos, Myrina
Number of texts: 5
5 stars
Made by Dromos | Reference Pascal Brackman
Made by Dromos

The road along the coast leading into Myrina from the south gives you a great opportunity to look into the geological belly of this region. You can see here a very turbulent part of the geological history of the island. The biggest part along the road shows you the volcanic lava domes of the Myrina unit. Guessing from the grey color, the type of volcanic rock are dacites. But you will also see blocks and boulders ripped of from older volcanic parts in the matrix of the volcanic rocks.

A specific section (see picture) shows some great nonconformities of the older sedimentary rocks (layered) but squeezed, folded, heated and shifted by these volcanic flows. The pressure and heat made the sedimentary rocks metamorphic.

Linked themes: Geology, Geography

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Made by Dromos | Reference Pascal Brackman
Made by Dromos

The layered structure of the flysch is still visisble, but the pushing and heating of the volcanic rock changed quite a bit the original mineral structure and composition.

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Made by Dromos | Reference Pascal Brackman
Made by Dromos

View on the fault and folding of the metamorphosed flysch due to to the contacts and pushing of one of the the volcanic domes of Myrina.

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Made by Dromos | Reference Pascal Brackman
Made by Dromos

Good view on the fault and the folded flysch

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Made by Dromos | Reference Pascal Brackman
Made by Dromos

Metamorphosed flysch in detail

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