岩浆杂岩的概念(igneous complex,magmatic complex)它是指在一个比较大规模的岩基内出现几个深成岩体,或几个超单元及单元的岩石组合。它们彼此之间的关系不清楚,或由于研究程度所限还不能划分为确切的正式谱系单位。杂岩的等级是不明确的,可相当于一个超单元组合或一个超单元或一个单元。
其中包括相当多的变质熔岩及岩浆杂岩。
The group includes plenty of metamorphosed Lava and magmatic complex.
矾山岩体为一偏碱性超镁铁岩-正长岩杂岩体,其中蕴藏着中国北方最大的岩浆型磷灰石矿床。
Fanshan intrusive body is a complex body of meta-alkaline ultramafic rock-syenite. It hosts the biggest magmatic apatite deposit in north China.
河坎子碱性杂岩体形成于板内拉张环境,岩浆作用以批式部分熔融占主导地位。
Variation diagrams of major and trace elements imply that the Hekanzi alkaline complex was formed in an intra-plate environment, and its major magmatic process is dominated by batch melting.
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