-Sr and Nd isotopes record great climatic changes at this time C. Massive volcanic eruptions may explain problems with impact hypothesis 'gradual' extinctions before and after main extinction event , by volcanic events before and after major outpourings.
(-Sr and Nd; isotopes; record great climatic changes at this time) Context(- Sr and Nd isotopes,List([0, 19))):(C. Massive volcanic eruptions; may explain; problems with impact hypothesis 'gradual' extinctions before and after main extinction event , by volcanic events before and after major outpourings)
- Sr and Nd isotopes,List([0, 19))
-Sr and Nd C. Massive volcanic eruptions
isotopes may explain
record great climatic changes at this time
problems with impact hypothesis 'gradual' extinctions before and after main extinction event , by volcanic events before and after major outpourings