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本文从叠层石概念入手，通过介绍前人大量关于蓝藻（蓝细菌）和细菌在弱光和黑暗环境中的习性，及其在叠层石形成中的作用，讨论了叠层石形成的两大影响要素：生物控制和环境影响。并提出了以模拟试验的有效方法论证叠层石在洞穴黑暗带中形成的可能性。
In this paper, we start with the concept of montmorillonite. By introducing a large number of previous studies on the habits of cyanobacteria (cyanobacteria) and bacteria in low light and dark environments and their roles in the formation of monolayers, Big Impact Factors: Biological Control and Environmental Impact. And put forward the feasibility of simulating experiment to validate the possibility of the formation of strata in the dark belt of caves.