A sudden movement of the earth's crust caused by the release of stress accumulated along geologic faults or by volcanic activity.
地震由于地质断层积聚的压力被释放或由于火山活动引起的地壳的突然变动
The study of the forms of life existing in prehistoric or geologic times, as represented by the fossils of plants, animals, and other organisms.
古生物学对出现在史前或地质时代的生命的形成的研究, 体现在植物、动物和其它有机体的化石上
Located in or facing the path of an oncoming glacier. Used of a geologic formation.
冰川运动路线的位于或面对冰川运动路线的。用于地质构造
