| 1. | At a surface exposure the host rock dips steeply to the east .
在一个露头处，含矿主岩向东陡倾。 |
| 2. | Norton has reviewed conditions of deposition of the uranium host rocks .
诺顿论述了含铀主岩的沉积条件。 |
| 3. | The host rock conformably overlies a band of siliceous chertybrecia .
含矿主岩整合地上覆于硅质燧石角砾石带之上。 |
| 4. | The host rock conformably overlies a band of siliceous cherty breccia .
含矿主岩整合地上覆于硅质燧石角砾石带之上。 |
| 5. | The host rock shows black and compact structure , characterized by alkaline - rich w k
玄武岩为黑色致密块状，以富碱w k |
| 6. | Analysis on destruction reason of deep roadway host rock and its proventive technique
深部巷道围岩破坏机理分析与防治技术 |
| 7. | Study of 3d finite - element modeling on stability of stope and host rock in a underground mine
某地下矿山采场与围岩稳定性三维有限元模拟研究 |
| 8. | The host rocks of zhaishang au deposit are mainly argillic , calc and carbonaceous slates and silty sandstone
摘要寨上金矿区赋矿岩石主要为泥质、钙质、碳质板岩、粉砂岩等。 |
| 9. | Investigations of the raw material in hard - coal - mining ; macropetrographic classification and topographic survey of hard - coal and host rock
煤矿原料勘探.煤矿及围岩宏观岩相分类和测定 |
| 10. | Based on study of petrological characteristics and pore types , we regard that the host rocks have lower porosity
通过对赋矿岩石的岩石学特征、孔隙类型进行研究，认为寨上矿区的赋矿岩石为低孔隙度。 |
