Xisto Negro De Foz Côa

Slate from Portugal


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Also known asArdósia De Foz Côa.

Macroscopic descriptionFine grained dark-grey laminated schist composed by alternating whitish psamitic and dark pelitic thin layers, showing, deformation and irregular schistous cleavage.

Petrographic descriptionRock with granular lepidoblastic texture.

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