1) petrogenesis of basic and ultrabasic rocks
基性-超基性岩的成因
2) 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。
3) 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。
4) ultrabasic rocks
超基岩性
5) basic rock-ultrabasic rock
超基性岩-基性岩
6) basic-ultrabasic rock bodies
基性-超基性岩体
1.
Pobei basic-ultrabasic rock bodies 1 and 10 are located at the western segment of Beishan rift zone, NE of Lopnur, belonging to Beishan metallogenic zone.
简述了坡北1号、10号基性-超基性岩体地质特征,从总结求取哈密黄山岩带(黄山东、黄山南、黄山)基性-超基性岩成矿富集系数入手,对坡北1号、10号岩体的Cu、Ni、Co资源量及硫化相资源量进行预测及对岩体的找矿方向作了简单分析,对北山裂谷带中基性-超基性岩体部署找矿工作有一定的地质意义。
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