Recent investigations of the distribution of trace elements in metamorphic index minerals of metapelites have revealed, that the plurifacial character of the Hercynian metamorphism in this area is confirmed by the distribution of Yttrium in Hercynian garnets of the metamorphic series.

Leidse Geologische Mededelingen

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Naturalis journals & series

Hilgen, J.D. (1981). On the role of Yttrium during plurifacial Hercynian metamorphism as expressed in the Northern part of the Central galician schist Area (NW Spain). Leidse Geologische Mededelingen, 52(1), 116–116.