In support of this idea, later analysis of the sediment at Wageningen University in the Netherlands proved that many of the brown sand grains were indeed fragments of the dark-colored schists and other rocks that began washing away as the newborn Andes ro
In support of this idea, later analysis of the sediment at Wageningen University in the Netherlands proved that many of the brown sand grains were indeed fragments of the dark-colored schists and other rocks that began washing away as the newborn Andes ro
荷兰瓦荷宁罕大学后来对于沉积物的分析，证实了许多棕色沙粒确实是深色片岩及其他岩石的碎屑，这些应该是新生成的安地斯山隆起时冲刷下来的。