Evidence from isotopic dating suggests that the greenstonebelts vary considerably in age.
来自同位素年龄鉴定的证据指出,绿岩带在年龄上彼此变化相当大。
2
The region between northern Liaoning Province and southern Jilin Province is one of the typical Archean granite-greenstonebelts.
辽北-吉南地区是我国典型太古宙花岗岩-绿岩带出露区之一。
3
Some Archean greenstonebelts represent collages of allochthonous fragments, among which oceanic crust slices are identified with characteristics distinct from the Phanerozoic ophiolites.