用dyke swarm造句子，“dyke swarm”造句

The late Precambrian mafic dyke swarms are widespread in the central North China Craton.

This is subeconomic mineralization related to minor dyke swarms.

Paleomagnetic poles of mafic dyke swarms from the North China craton and their relevance to the reconstruction of the supercontinent Columbia.

Both high-Mg lavas with high temperature features and giant radiating dyke swarms have never been found so far in the area.