1) ultrabasic and basic rocks
基性超基性岩带
2) ultrabasic rock belt
超基性岩带
1.
This paper started from olivine and pyroxene,the main rock-forming minerals of mineralized rock bodies in the Longshoushan ultrabasic rock belt, to their mineral-chemistry features and emphasized on the difference and similarity between the Jingchuang rock body and the surrounding rock bodies.
对甘肃龙首山超基性岩带含矿岩体的主造岩矿物———橄榄石、辉石,进行了矿物化学特征分析 ;比较了金川岩体与外围岩体在矿物化学特征方面的异同。
3) Jingbulake
基性-超基性岩带
1.
The basic-ultrabasic rocks of Jingbulake belt are situated within the Nalati fault in southwestern Tianshan,where more than ten intrusions:Jingbulake,Kaladala,Qiagansayi,Qiaoletiekexi,Qiulaketeleke,Sulu,Qiongawuzi,etc.
菁布拉克基性-超基性岩带位于西南天山那拉提深大断裂附近,出露有菁布拉克、喀拉达拉、恰干萨依、乔勒铁克西、丘拉克特勒克、苏鲁、琼阿乌孜等基性超基性岩体。
4) basicultrabasic complex belt
基性-超基性杂岩带
5) ultrabasic rocks
超基性岩
1.
The integrated plane of high-precision magnetic survey on Renbu ultrabasic rocks shows clearly enclosed ΔT=2 000 nT contours that is coincided with the distribution of ultra-basic rocks.
西藏仁布县仁布超基性岩体的高精度磁测综合平面图显示,以ΔT=2 000 nT组成的等值线闭合圈清晰地反映出超基性岩体的范围,高精度磁测异常与超基性岩体吻合。
2.
Hosted in Sanhekou Formation mediate- acid volcanic rocks of Devonian and controlled by brittle-ductile shear zone, the Gaoshan gold deposit is spatially related to ultrabasic rocks.
产出部位与超基性岩有关，属构造蚀变岩型金矿床。
3.
How to define the age of the west Dayanchi ultrabasic rocks, East Tianshan, Xinjiang, has long been questionable because of lack of reliable isotope age data.
大盐池西超基性岩一直缺乏可靠的年龄资料,因此时代厘定一直存在疑问。
6) ultrabasic rock
超基性岩
1.
Effect of hydration of ultrabasic rock on mechanical properties in deep mining of Jinchuan
金川深部超基性岩水化作用及对力学性能影响
2.
The activation andmigration of gold were mainly controlled by the ultrabasic rock belts and two ductile shearbelts in same direction.
北祁连中西段发育三套早古生代蛇绿岩及相应的基性、超基性岩,呈北、中、南三条带状分布。
3.
Jianchaling gold deposit belongs to micro disseminated tectonic altered rock type, which has genetic relationship with ultrabasic rock.
煎茶岭金矿床属于与超基性岩有成因联系的微细浸染状构造蚀变岩型金矿床。
补充资料：超基性岩
| 超基性岩 ultrabasic rock 火成岩的一类。二氧化硅含量低（小于45％），铁、镁质含量高，以不含石英为特征。深灰黑色，比重较大。主要由橄榄石、辉石，以及它们的蚀变产物，如蛇纹石、滑石、 绿泥石等组成。代表性岩石有纯橄榄岩、橄榄岩、辉石岩和金伯利岩、苦橄岩等。自然界以镁质超基性岩居多。它们常与碱性岩、基性岩共生，形成杂岩体。超基性岩常沿深大断裂带分布，受其控制，形成岩带。岩体的规模大小不一，常呈透镜状、脉状或不规则状。与超基性岩有关的矿产有铬、镍、钴、铂族金属、金刚石、石棉等。 |
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参考词条