This glacial lake is bound by the glacier snout on one end, and a moraine-a mound formed by the accumulation of sediments and rocks moved by the glacier-on the other.
这个冰川湖的一端是冰川的末端，另一端则是一排由冰川搬运来的沉积物和岩石累积而成的冰碛。
Past glacial ages occurred partly because the weathering of rocks, over millions of years, pulls CO2 from the atmosphere, locking it in ocean floor sediment.
过去冰河时代发生的部分原因在于在几百万年的时间里，石头的风化吸收了大气中的二氧化碳，然后以沉积物的形式把这些二氧化碳固定在海底。
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。
In the older rocks below these glacial deposits are detrital uraninite and pyrite two minerals considered evidence for very low levels of atmospheric oxygen.
这些冰河沉积物下方的较老岩层，是沥青铀矿与黄铁矿碎屑；这两种矿物被认定为大气中氧气极为稀少的证据。
The gabion foundations are composed of rocks from the site, a selection of pebbles excavated from the surrounding glacial moraine.
石笼基础是由基地内的石块以及建筑周边挖掘冰河收集的鹅卵石组成的。
The gabion foundations are composed of rocks from the site, a selection of pebbles excavated from the surrounding glacial moraine.
石笼基础是由基地内的石块以及建筑周边挖掘冰河收集的鹅卵石组成的。
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