Wotzlaw, Jörn-Frederik Towards accurate numerical calibration of the Late Triassic; high-precision U-Pb geochronology constraints on the duration of the Rhaetian - Boulder, CO Geological Society of America July 2014 - pp. 571-574 ilus. Subjects--Topical Terms: AMMONOIDEABIOESTRATIGRAFIACRONOESTRATIGRAFIACUATERNARIODATACION U-PBGEOCRONOLOGIAGLACIARESHOLOCENOTRIASICO Subjects--Geographic Terms: AMAZONASPERUUTCUBAMBA Subjects--Index Terms: FORMACION ARAMACHAY GRUPO PUCARA