新生代火山岩中的幔源包体可以提供有关上地幔的直接信息。
Mantle xenoliths brought up by Cenozoic volcanic rocks onto the earth surface may provide direct information about the upper mantle beneath the volcanic region.
藏北羌塘火车头山新生代火山岩可区分为钙碱性及碱性两个不同的系列。
The Cenozoic volcanic rocks in Huochetou mountain, North Qiangtang can be divided into two different series.
在华北地台北缘中新生代火山岩发育区，发现大型铀钼矿床，其外围被第四系广泛覆盖。
A large U-Mo deposit was found on the northern margin of north China Platform, where the Mesozoic and Cenozoic volcanics are developed. This area is widely covered by the Quaternary sediments.
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