magnetite basalt 中文意思是什麼
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By comprehensive rock - magnetic analyses of the hannuoba basalt in the zhangbei section, it has been shown that the main magnetic carriers of the twenty - one lava flows in this section are titano - magnetite, but the content of ti is relatively high in some samples
摘要通過新河口漢諾壩玄武巖的綜合巖石磁學測定和分析，確定了該剖面21個熔巖流的磁性礦物是以鈦磁鐵礦為主，部分含鈦較高。 -
The lower paleozoic strata in the south kunlun massif are kulafuhe group of cambbrian - ordovician. they consists of metamorphic detrital rocks, limestone, magnetite - bearing basalt, quartzite ( meta - silicalite ), which suggests that they might form at active continent margin. the geochemical characteristics of volcanic and detrital rocks do indicate that they might form at an active marginal environment such as island arc etc. associated with the qimanyuter ophiolite suit, there are lots of early paleozoic granitic plutons
在昆南地塊上的早古生代地層為寒武?奧陶系庫拉甫河巖群，由變碎屑巖、灰巖、含磁鐵礦玄武巖、石英巖（變硅質巖）等組成，顯示其比昆北地塊有較大的活動性，火山巖和碎屑巖的巖石地球化學特徵也反映為島弧及活動邊緣環境。
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