Geology sketch of Alongshan area from north Da Hinggan Mts.
图1大兴安岭北部阿龙山地区地质简图 Fig。
The Jifeng komatiites are situated in the north Da Hinggan Ling.
本文研究的科马提岩位于大兴安岭北段吉峰地区。
The Huanggang-Ganzhuermiao ore belt of east Inner Mongolia is tin-polymetallic ore belt in Southern Da Hinggan Mountains.
内蒙古东部的黄岗-甘珠尔庙矿带是地处大兴安岭南段的锡乡金属矿带。
The southern part of Da Hinggan mountains is the most important tin-polymetallic concentration area in the Northern China.
大兴安岭南段是我国北方最重要的锡-多金属成矿集中区。
As an important coloured-metal mineralization belt, the middle-southern Da Hinggan Mountains area may become a vital mothball metal base in 21 century.
大兴安岭中南段作为我国有色金属的重要成矿区带，有望成为21世纪中国有色金属的重要后备基地。
Taking the northern Da Hinggan Mountains for example, the relation between the chemical compositions of soils and bedrocks in shallow overburden areas is studied.
以大兴安岭北部地区为例，研究了浅覆盖区土壤与基岩化学成分的关系。
Field geological survey and geochemistry indicate that the metamorphic ultrabasic rock in Jifeng area of the north Da Hinggan Ling Mountains is komatiite with spinifex texture.
野外地质调查和室内岩石学研究表明，大兴安岭北段吉峰林场一带变质超基性岩为具有典型鬣刺结构的科马提岩。
Field geological survey and geochemistry indicate that the metamorphic ultrabasic rock in Jifeng area of the north Da Hinggan Ling Mountains is komatiite with spinifex texture.
野外地质调查和室内岩石学研究表明，大兴安岭北段吉峰林场一带变质超基性岩为具有典型鬣刺结构的科马提岩。
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