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The high-grade metamorphic complex of northern Sardinia consists of a strongly deformed sequence of migmatitic ortho- and paragneisses interlayered with minor amphibolites preserving relic eclogite parageneses. The protolith ages and geochemical characteristics of selected gneiss samples were determined, providing new constraints for reconstructing the Palaeozoic geodynamic evolution of this sector...
In the Golfo Aranci high-grade metamorphic basement of NE-Sardinia (Italy), a fragment of the southern part of the Variscan chain, several metabasic rocks with relic eclogitic parageneses are interlayered with a dominant sequence of migmatitic paragneisses and felsic orthogneisses. Petrologic, geochemical and geochronological data on selected samples permitted the reconstruction of a long history...
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