The rapakivi granites have a number of petrological peculiarities.环斑花岗岩具有若干岩石学的特征.S - type granites should not be considered as the evidence of plume magmatism.不能把S - 型花岗岩作为地幔柱岩浆作用的证据.Geological mapping methods of granit...
按一般标准衡量, 地核是由相当致密的物质组成的.Judge by ordinary standards, the core is made of rather dense stuff.可以看出,致密的矿脉可用电阻率法来发现.We can see that the massive vein is revealed by resistivity.它的致密的形态是其失活的反映.Its compact appearance is a refle...