The Underground City or The Black Indies

Description

they hurried where they preferred, tearing from the barely shaped rocks material with which to form schists, sandstones, and limestones. This the wandering waves bore over the lowered and now peaty woods, and kept above them the components of rocks which were to superpose the coal layers. In course of time, times of which incorporate a great many years, these earths solidified in layers, and encased under a thick carapace of pudding-stone, schist, minimal or friable sandstone, rock and stones, the entire of the gigantic backwoods.

What’s more, what went on in this immense pot, where this vegetable issue had collected, sunk to different profundities? A normal synthetic activity, such a refining. All the carbon contained in these vegetables had agglomerated, and gradually coal was framing under the twofold impact of huge weight and the