alkali volcanic rocks的意思|示意

Some special rock types such as adakite, shoshonite and alkali rocks are closely related to continental volcanic rocks deposits.

一些特殊的岩石类型，如埃达克岩、橄榄玄粗岩及碱性岩与陆相火山岩矿床有密切联系。

Their original rocks are volcanic rocks, epicontinental clastic sedimentary rocks, and ophiolite of volcanic and island arc tholeiitic series or calcium alkali series.

其原岩岩石类型有火山岩，陆缘碎屑沉积岩，火山、岛弧拉斑系列或钙堿系列火山岩、蛇绿岩等。

Yinshan volcanic subvolcanic rocks belong to the high potassium calc alkali series.

银山火山岩次火山岩属于高钾钙碱性系列。

According to the main rock-forming minerals in them, the Cenozoic volcanic rocks are mainly alkali olivine basalt, basanite and nephelinite.

郯庐断裂带中段的新生代火山岩以碱性系列的碱性橄榄玄武岩、碧玄岩和霞石岩为主，其中又以钠质亚系的岩石为主。