| 释义 |
parent rock短语¹⁴⁴⁹⁷²⁺²
基本例句
母基岩
The mother rock derived form Archaean and Early Proterozoic metamorphic rock from the north-east part of Ordos Basin.该区延长组母岩主要来自盆地东北缘的太古代及早元古代变质岩。
Once formed, zircon crystals are so durable that they can persist even if theirparent rockis exposed at the surface and destroyed by weathering and erosion.但是，这些锆石所蕴含的讯息似乎隐晦不清，部份原因是地质学家无法确定它们的母岩。 |