Isogeotherm, Or Monist: Theory of Stratified Mineral Occurrence and Origin1940 - Coal - 55 pages |
Common terms and phrases
academicians accumulation aggregate ancient Appalachian basin Ashley bed of coal bedding planes brine California cannel coals carbon carboniferous CHAIRMAN coal and iron coal and petroleum coal and salt coal beds coal from vegetation coal measures coal occurs coal origin theory coal-containing cyclopedias Dana drillers earth editor environment should exhibit feet thick formed former isogeotherm fossilization gentlemen historic geographic geology Hugh Miller hundreds of coal interruption and unconformity isogeotherm theory J. J. Stevenson land surface legend limestone masses of vegetation maximum subsidence miles vertical mineral zones minerals occur miracle mollusc monist occurrence of coal oil fields oil horizon oil shale origin of coal orthodox geologists outcrop parallel Pennsylvania petrified strata Plotts Pope Paul III popular red beds relationship represented rock salt horizon sand sandstone sedimentary strata sediments shale silicates Stevenson stratigraphic swamp theory of coal thousand feet tion Truth Seeker type of sediments unconformity underclays unimportant