Morgan County News | 1935-05-30 | Page 5 | Digging through the World

digging through the iha world I 1 A widely accepted theory regarding the earths makeup make up Is that a solid crust corresponding to the rind ot of ark an orange encloses a molten interior corresponding to the pulp says tit bits magazine this theory is supported by mining and boring experience which shows the average rise of temperature temper atura downwards to be one degree fahrenheit for or every 50 or CO 60 feet thus at 50 miles the temperature must be degrees or far higher than the fusing point of platinum which molts melts at degrees the late lord kelvin declared that this planet could not maintain its shape unless the supposed crust were berei 2500 miles thick and concluded that the mass of the earth 13 Is on the whole whiled more rigid than a continuous solid globe of glass of the same dimensions