Estonian Tremadocian black-shales
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Estonian Tremadocian black-shales

by Sophie Graul, Tallinn University of Technology, Tallinn, Estonia

Tremadocian black shales, also known as 'Dictyonema argillite' are organic-rich muds found in the Türisalu Formation.
They are currently explored for V, U and Mo resources - accumulated due to organic compounds and clays shuttle.

https://doi.org/10.1016/j.chemgeo.2023.121583