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。
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.
相比之下，二氧化碳可以随岩石风化通过与硅酸盐矿物反应形成碳酸盐，直接从大气中自然收集。
In contrast, CO2 is naturally captured directly from the atmosphere by its reaction with silicate minerals to form carbonates as rocks are weathered.
另外还利用表生风化淋滤模拟实验装置对该四种矿源岩样进行了三种不同大气雨水的风化淋滤模拟实验。
In addition, simulating experiments were also done on the weathering-leaching of the four types of source rocks by three kinds of meteoric water.
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