玄武安山岩

新疆库地蛇绿岩堆积厚度达1500m以上，主要岩石由纯橄岩、斜辉橄榄岩、辉长岩、块状玄武岩、枕状玄武岩、玄武安山岩、硅质岩、粉砂岩等组成。

The ophiolite is composed of dunite , peridotite , gabbro , massive basalt , pillow basalt , basaltic andesite , silicalite and siltstone with thickness of over 1500 m.

其中，火山岩由玄武岩、玄武安山岩和安山岩构成。

Of these , volcanic rocks consist of basalt , basaltic andesite and andesite .

玄武岩呈LREE平坦而HREE平坦或略亏损的分配型式；玄武安山岩具有完全一致的LREE相对于HREE富集的分配型式，有同样明显的Eu负异常。

The REE distributions of the basalts show a LREE faint flat but HREE slightly depleted patterns , however , the basalt-andesites display a LREE enriched pattern relative to HREE and depleted in Eu clearly .

本区火山岩主要为玄武岩、玄武安山岩、安山岩等。

The volcanic rocks in this region were basalt , basalt-andesite and andesite .

火山热液型矿床赋存于玄武安山岩的断裂、片理化带中；

Volcanogenic & hydrothermal ore deposits occur in the faulting and schistosity zone of basaltic andesite ;

岩石类型为玄武岩、玄武安山岩、英安岩和流纹岩。

The Qi'eshan Group volcanic rocks consist of basalt , basaltic andesite , dacite and rhyolite .

济南市靖家庄地区玄武安山岩矿属钠质高钾类、钙碱型中基性火山岩；

Basalt-andesite deposit in Jingjiazhuang area of Jinan city belongs to sodium and high-potasium type and sodium-alkali medium-basic magmatic rocks .

延边地区晚三叠世火山岩主要由安山岩和流纹岩构成，其中包括少量玄武安山岩。

The Late Triassic volcanic rocks in Yanbian Area are mainly composed of andesite , rhyolite , and minor basaltic andesite .

赤峰北部早二叠世末至晚二叠世初基性&中性次火山岩锆石UPb和谐线年龄为（276.3±4.2）Ma，岩石组合为玄武岩、玄武安山岩及安山岩等。

The basic intermediate subvolcanic rocks from northern Chifeng generated at the end of early Permian epoch to the beginning of late Permian epoch yield U Pb concordant ages of 275.3 ± 4.2 Ma .

智博铁矿区的主要火山岩岩石类型为玄武岩、玄武质粗面安山岩和粗面安山岩，还有少量的英安岩和流纹岩。

Region of Zhibo iron deposit is mainly composed of basalt , basaltic trachyte andesite , a little dacite and rhyolite .