Drill cores of Miocene rocks in Brazil, which provided the only complete sequence of the change from reddish clays to the blue and brown sediments, further corroborated my conclusions.
Drill cores of Miocene rocks in Brazil, which provided the only complete sequence of the change from reddish clays to the blue and brown sediments, further corroborated my conclusions.
巴西的中新世岩石钻探岩心，提供了淡红色黏土连续转变成蓝棕色沉积物的证据，更加支持了我的结论。