A model is here proposed for coal ball formation that validates previously observed evidence of degassing and active flow of marine influenced groundwater (springs) from coal swamps.
(A model; is here proposed; for coal ball formation) (coal ball formation; validates observed; evidence of degassing and active flow of marine influenced groundwater; T:previously)
A model coal ball formation
is here proposed validates observed
for coal ball formation
evidence of degassing and active flow of marine influenced groundwater T:previously