A possible causal relationship between extinction of dinosaurs and K/T iridium enrichment in the Nanxiong Basin, South China: Evidence from dinosaur eggshells

Agriculture & Biology

• basins 56%
• birds 4%
• China 39%
• climate change 6%
• dinosaurs 87%
• egg shell 65%
• egg shell thickness 10%
• eggs 4%
• extinction 56%
• fossils 7%
• iridium 100%
• microstructure 6%
• poisoning 7%
• pollen 5%
• trace elements 22%

Earth & Environmental Sciences

• anomaly 4%
• assimilation 6%
• background level 7%
• basin 30%
• bird 5%
• Cretaceous 4%
• Cretaceous-Paleogene boundary 16%
• dinosaur 68%
• distribution 2%
• egg 6%
• eggshell 82%
• environmental stress 7%
• extinction 51%
• food 4%
• fossil 4%
• iridium 81%
• microstructure 5%
• Paleocene 6%
• poisoning 7%
• pollen 6%
• province 4%
• trace element 15%
• transition 4%