1) gold deposit associated with ultrabasic rocks
超基性岩型金矿
2) ultrabasic rock-type gold deposit
超基性岩型金矿床
3) ultrabasic-type nickel sulfide mineralization
超基性岩型硫化镍矿
1.
Taking into account the huge distribution of the ophiolitic melange marked by basic-ultrabasic rocks in the suture zone,the authors hold that the ultrabasic-type nickel sulfide mineralizations should have a large resource potential.
野外地质调查结合室内显微镜研究和电子探针分析,发现西藏班公湖-怒江缝合带西段班公湖地区产有超基性岩型硫化镍矿和碳酸岩型硫化镍矿,中段班戈县产有超基性岩型Ni、Cr、Co多金属矿。
4) alkaline rock type gold deposits
碱性岩型金矿床
1.
According to their characteristics,alkaline rock type gold deposits are divided into two types,which are meso deepth vein gold deposits and epithermal gold deposits.
厘定了碱性岩型金矿床的概念 ,总结了与金矿床有关的碱性岩特征 ,从地球动力学角度 ,分析了碱性岩及其有关矿床形成的构造环境 ,讨论了碱性岩的起源演化及其与钙碱性岩共生的内因。
6) 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。
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