1998). This minireview briefly considers PET and fMRI Charlestown, Massachusetts 02129 evidence regarding the role of prefrontal cortex in epi-Department of Psychology sodic memory and highlights the parallels between Harvard University these results and those from studies of working memory. Cambridge, Massachusetts 02138 Two patterns are emphasized. First, studies of episodic memory suggest th...

A Cretaceous paleo-accretionary wedge, the Ashin Complex, now exposed along Zagros suture zone in southern Iran, exhibits mafic, metasedimentary and ultramafic lithologies. Field, geochemical petrological observations point to an anomalous high-temperature event that gave rise formation of peritectic (trondhjemitic) melts associated with restitic garnet-bearing amphibolites. Lu-Hf isotopic dati...