Browsing by Subject "K/Ar dating"
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El metamorfismo en la Cuenca de los Cameros. Geocronología e implicaciones tectónicas
(Sociedad Geológica de España, 1991)A case of hydrothermal metamorphism is described from the Cameros Basin along the rio Cidacos transect. The highest grade is reached at the base of the Urbión Group, a fluvial sequence Upper Jurassic to Lower Cretaceous ...