Puelles, PabloÁbalos, BenitoGil Ibarguchi, José Ignacio2014-11-032014-11-032003http://hdl.handle.net/10272/9074High-pressure volcanic-arc granulites, N-MORB eclogites and shallow crustal volcanosedimentary high-pressure gneiss units occur in the high-pressure metamorphic fold-nappes and ductile thrusts that make up the Cabo Ortegal upper allochthons. Confluence of units from such disparate tectonic settings occurred at an eo-Hercynian convergent plate margin, that in this case, involved oceanic, arc and continental lithosphere. We argue that the sheath-like form of the fold nappes and the mineral and stretching lineations defined by high-pressure mineral assemblages subparallel to fold axes depict the internal organization of high-pressure sheets at deep tectonic realms of an oblique subduction/collision orogenic channelspaAtribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/High-pressure metamorphismDeformationSheath foldsSubductionCabo OrtegalSpainjournal articleopen access