| 1. | The ore minerals are bounded by the vein walls .
矿石矿物局限于矿脉之内。 |
| 2. | This reagent attacks feldspars and dark minerals .
这种反应物质侵蚀长石和音色矿物。 |
| 3. | Bentonite is an expandable three-layer clay mineral .
皂土是一种可膨胀的土层粘土矿物。 |
| 4. | They are stabilized through absorption by clay minerals .
它们通过粘土矿物的吸收作用而得到稳定。 |
| 5. | This scale is based on the relative abrasiveness of minerals .
此硬度计的依据是矿物的相对研磨能力。 |
| 6. | Two basic types of clay minerals are present in most soils .
大多数土壤中出现了两类主要的粘土矿物。 |
| 7. | The targets in oil exploration are deeper than in mineral respecting .
石油勘探的目地层比矿物勘探的深。 |
| 8. | The remaining minerals are of lesser significance in engeneerng geology .
其余的矿物在工程地质中意义不大。 |
| 9. | Of these minerals, kaolinite, illite and chlorite are commonest .
在这些矿物中，高岭石，伊利石和绿泥石最常见。 |
| 10. | A current is passed through earth materials not containing metallic minerals .
电流在不含金属矿物的地层介质内经过。 |
