1. Timing of eclogite-facies metamorphism of the Chuacús complex, Central Guatemala: Record of Late Cretaceous continental subduction of North America's sialic basement Martens, Uwe C.; Brueckner, Hannes K.; Mattinson, Christopher G.; Liou, Juhn G.; Wooden, Joseph L. 2012 Articles Plate tectonicsGeochemistryMetamorphic rocksEclogitePegmatites