Dating subduction-zone metamorphism with combined garnet and lawsonite Lu-Hf geochronology Mulcahy, S. R. ; Vervoort, J. D. ; Renne, P. R. Abstract Publication: Journal of Metamorphic Geology Pub Date: June 2014 DOI: 10.1111/jmg.12092 Bibcode: 2014JMetG..32..515M