Isogeotherm, Or Monist: Theory of Stratified Mineral Occurrence and Origin1940 - Coal - 55 pages |
Common terms and phrases
accepted accumulation aggregate ancient Appalachian appear Ashley basin become bedding planes believe brine California carbon carboniferous century CHAIRMAN coal beds coal from vegetation coal occurs coal origin common containing continuation covered curious deep deposit described discuss earth entirely evidence exhibit fact fields formed former geologists geology horizon hundred important impressions iron isogeotherm known land later leaves legend less letter lignite limestone limited locality longer mass matter measures Michigan miles minerals never observed occur origin of coal orthodox parallel perhaps petrified petroleum Plotts popular position present prove publication receive recorded red beds regarding region relationship remains represented rock roots salt sand sediments seems shale showing shown sometimes strata stratigraphic studied subsidence successively surface term theory thick thousand feet throughout tion tons true Truth Seeker typical unconformity uniform unimportant whole writer zone