Dinosaur eggshells from the Cretaceous red beds of southern China were selected forelement geochemical study. The concentrations of the major elements indicates that theeggshells did not change much in their chemical ...Dinosaur eggshells from the Cretaceous red beds of southern China were selected forelement geochemical study. The concentrations of the major elements indicates that theeggshells did not change much in their chemical composition after they were formed. Variationsin the contents of trace elements and REEs imply that a palaooclimatic anomaly might occurduring Late Cretaceous.展开更多
文摘Dinosaur eggshells from the Cretaceous red beds of southern China were selected forelement geochemical study. The concentrations of the major elements indicates that theeggshells did not change much in their chemical composition after they were formed. Variationsin the contents of trace elements and REEs imply that a palaooclimatic anomaly might occurduring Late Cretaceous.
