In this case, Uranium-Lead Dating was used to establish that half of the sandstone in the samples was formed at the same time the granite in the Appalachian Mountains was formed.
在这种情况下，铀铅定年法被用来确定样本中一半的砂岩是在阿巴拉契亚山脉花岗岩形成的同时形成的。
2
Late Carboniferous granite in the Xiao Hinggan Mountains shows magma-mixing characteristics.
小兴安岭晚石炭世花岗岩具有明显的岩浆混合特征。
3
The metagranitoid found in the high ultrahigh pressure metamorphic belt ( HP UHPMB ) in the Dabie Mountains is alkali meta granite.