glaciation造句

• Pleistocene glaciation caused the extinction of many species .
  第四纪冰期，使许多物种绝灭。
• 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。
• 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。
• 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。
• 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
• 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。
• 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。
• 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
• 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。
• 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。
• Holocene ( recent ) the present epoch in the geological time scale , being the second epoch of the quaternary period , dating from the end of the last glaciation , about 10000 years ago , to the present day
  全新世：在地质学上指第四纪的第二阶段的整个时期，它终止于最后一个冰川期，距今大约10000年。
• Since the last glaciation , with variations in sea level , the development of incised valleys in the hangzhou bay area underwent three stages : 1 ) deep - cutting stage ; 2 ) rapid - filling stage ; and 3 ) rapid - burial stage
  末次冰期以来，随着海平面变化，杭州湾地区下切河谷演化经历了深切、快速充填和埋藏三个阶段。
• With the uplift of qinghai - xizang plateau and the to - and - fro of the quarternary glaciation and interglaciation , the muscid fauna was distinctly diversified in habitat and vertical zone
  青藏高原的横空崛起以及第四纪冰期间冰期的循环往复，导致该地区生境千差万别，使蝇科区系不仅有地域分异，且垂直差异显著。
• During the banpo man time or in the middle holocene , 5000 ~ 6000 bp , the climate within the modern glaciation best fitted vegetation and the intrusion of some sub - tropic trees was postulated to have taken place
  古土壤代表间冰期夏季风盛行的湿热气候，植被比较繁盛；黄土代表冰期冬季风盛行的干冷气候，植被凋凌。
• They rose above the earth surface as a result of movement of the earth s crust over a hundred million years ago . later they underwent the erosion of quaternary glaciation and have gradually become what they are today
  一亿多年前的地球地壳运动使得黄山崛起于地面，后来历经第四纪冰川的侵蚀作用，慢慢地就变成了今天这个样子。
• They rose above the earth surface as a result of movement of the earth s crust over a hundred million years ago . later they underwent the erosion of quaternary glaciation and have gradually become what they are today
  一亿多年前的地球地壳运动使得黄山崛起于地面，后来历经第四纪冰川的侵蚀作用，慢慢地就变成了今天这个样子。
• Like the better - studied late proterozoic glaciations , the huronian event appears to have been global , based on interpretations that some of the continents were near the equator at the time ice covered them
  休伦冰期的相关研究不如其后两次原生代冰期详尽，但从当时位于赤道附近的部份陆地也受冰层覆盖的情况看来，它似乎也是一场全球性事件。
• During the quaternary period , spanning the last 2 million years , major glaciations in polar regions affected global sea level , which fell to 120metres below present level , leaving the site of present - day hong kong as much as 130 kilometres from the coast
  长达200万年的第四纪期间，全球海平面受到两极地区几次大冰期的影响，曾下降至现时海平面之下120米，当时的海岸线离开现时本港海岸达130公里。