basaltic rocks造句

• According to the sr - nd isotopic characteristics of peridotite xenoliths and their host basalts , it indicates that xenoliths in hannuoba , puning area may represent source area of the host basalt because of the xenoliths and host rocks being in the same plot ; however , the xenoliths is not directly related to their host rocks of the others area for the xenoliths plot out of the range of their host basaltic rocks . thermal dynamics calculation shows that the peridotite xenoliths are formed in the condition of pressure of 9 . 45 - 25kb and temperature of 945 - 1281
  橄榄岩包体及其寄主玄武岩的sr - nd同位素研究表明，汉诺坝与普宁地区部分包体样品投点落在其寄主玄武岩nd和sr同位素的分布范围内，表明橄榄岩包体代表了寄主玄武岩的源区，而其它大部分地区的包体其寄主玄武岩范围之外，表明寄主玄武岩和橄榄岩包体无成因联系，橄榄岩包体只是偶然包体。
• Geologists have long known that water leaking into faults can trigger earthquakes , and nine days is about the same amount of time that they estimate it takes water to work its way down through cracks and pores in kilauea ' s fractured basaltic rock to a depth of five kilometers ? where the silent earthquake occurred
  科学家早就知道，水要是渗进断层之内便会引发地震，而他们估计，雨水从裂缝和孔隙渗入奇劳亚火山破裂的玄武岩所需的时间，正好就是九天；渗透的深度达五公里，也就是无声地震发生的地方。