Given the present data, however, it is also possible that a purely geologic process, potentially involving volcanism or rust and not involving any life forms, is the methane creator.

• 在给出的当前数据下，这也很可能纯粹是一种地质运动，很可能涉及到火山运动或者氧化作用，而根本不涉及任何的生命形式，地质活动才是甲烷的制造者。