Early middleCambrian rhyolites from Baiyin Mining Field were considered to have resulted from magmatism of continental rift.
白银厂矿田早—中寒武世流纹岩被认为是大陆裂谷环境或洋内弧岩浆作用的产物。
2
The palaeogeography and the initial stratal thickness of the MiddleCambrian in the Western Hills of Beijing are restored through the finite strain analysis in this paper.
本文从有限变形分析入手，着重恢复北京西山中寒武世古地理原态及相应的地层初始厚度。
3
The first generational northwest folds were fault band folds, formed during MiddleCambrian to Devonian, which were "under water uplift", distributed over the whole studied area.