U–Pb ages
zircon
Early Triassic
ammonoids
biotic recovery
[SDU.STU.PG] Sciences of the Universe/Earth Sciences/Paleontology
[SDU.STU.GP] Sciences of the Universe/Earth Sciences/Geophysics
[PHYS.PHYS.PHYS-GEO-PH] Physics/Physics/Geophysics
[SDU.STU.ST] Sciences of the Universe/Earth Sciences/Stratigraphy