| 1. | Pleistocene glaciation caused the extinction of many species .
第四纪冰期，使许多物种绝灭。 |
| 2. | During the pleistocene ice age, the ancient drainage systems were almost completely rearranged by glaciation .
在更新世冰期，古水系常被冰川作用完全改造。 |
| 3. | These ice ages are also called glaciations and the periods of relative warmth between them are called interglacials .
这些冰期也叫冰河期，在各冰期间的相对温暖时期就叫间冰期。 |
| 4. | The great lakes basins were excavated by the ice, and many present landforms are the result of this continental glaciation .
五大湖盆地都是冰挖掘出来的，如今许多现有地形都是这种大陆冰川作用的结果。 |
| 5. | Late pleistocene glaciation of the hulifang massif of gongwang mountains in yunnan province
云南东北部拱王山末次冰期 |
| 6. | The circumstances surrounding these glaciations were long unexplained , but the methane hypothesis provides compelling answers here as well
这几次冰期前后的环境始终不明，但甲烷的假说同样为此提供了具说服力的答案。 |
| 7. | In the burren there is a region of bare carboniferous limestone containing arctic - alpine plants which survived from the last glaciation
Burren有一个只有石碳纪石灰石的地区，那里有从上个冰期生活下来的北极高山植物。 |
| 8. | The development of an atypical hirnantia - brachiopod fauna and the onset of glaciation in the late ordovician of gondwana / owen e . sutcliffe . . . [ et al . ]
冈瓦纳古陆晚奥陶统一个典型的赫南特贝属-腕足动物群的发育和冰川作用的开始 |
| 9. | The first of these glacial periods is often called the huronian glaciation because it is well exposed in rocks just north of lake huron in southern canada
第一次冰期称为休伦冰期，因其遗迹在加拿大南部休伦湖北方的岩石中清晰可见。 |
| 10. | This hematite is gray , however , because the grain size is larger . ) the layering of these distinct rock types indicates that the huronian glaciations occurred precisely when atmospheric oxygen levels first rose
这些层次分明的岩种，暗示著休伦冰期恰好发生于大气中的氧气浓度初升之际。 |
