Rosalda Punturo

1. Introduction Ophiolite tectonic units, which testify the occurrence in the past of the oceans subducted/obducted at convergent margins, are a common feature of many orogenic belts. Based on their P-T path, ophiolites can represent well preserved and weakly metamorphosed mantle—crust oceanic sequences as well as by disrupted and fragmented metamorphic lenses embedded in marbles, schists, gneiss and other metamorphic rocks.

This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessReview by 1,2, 1,* and 1 1 Department of Biological, Geological and Environmental Sciences, University of Catania, 95129 Catania, CT, Italy 2 Institute of Environmental Geology and Geoengineering (IGAG), National Research Council (CNR), 00185 Rome, Italy * Author to whom correspondence should be addressed.

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