Show wonders 01 coal the formation of coat according to dr homer greenaa Gre enea theory due to the solar orb bringing forth millions of years ago when it was larger and hotter than today a wonderfully luxuriant vegetation including plant of strange kinds mosses 8 largo as forest trees and ferns 30 feet in height growing up richly from the clayey soil and forming dense jungles in the vast marshes the latter covering great areas of the earths surface these terns mosses and the leaves branches and trunks of trees in time falling decayed where they grew only to render tile soil more fertile and the growth more luxuriant year after year century after century this process of growth and decay went on until the beds of vegetable matter thus deposited became of grent thickness the earths body however otell continued to shrink in consequence of which her crust throughout vast areas the beds of vegetable matter going down and the water sweeping again over the great marshes sand and mud and grovel were laid down anew 0 er the deposits and ohp clayey soil from which the next rich growth would spring was spread ont on the surface this process being repeated again and again as many times indeed as there are seams of coal in awil bed in ahls way according to dr greene the conditions for the formation of coal were mada complete atmospheric air being entirely excluded while the vegetable beds underwent the processes of decomposition so that la some of coal whole trew have been found with roots branches leaves and seeds complete and all converted into the same und of coal as that surrounding |