[0] VML [2] Model proponents have not yet explored the implications of the VML record. [3] This model explains VML observations. Specific HRTEM observations in different VML reveal more nm-scale bacterial fragments in wet periods. [4] Wording to accommodates alternating climatic changes producing VML. However, the silica binding process does not explain VML. [1] 
This model could explain VML observations, whereby conditions of greater alkalinity and fewer wetting events would generate drier VML events and more wetting events would generate wetter VML events.