ENVIRSC 1G03 Study Guide - Midterm Guide: Lithosphere, Outer Core, Divergent Boundary
6 Oct 2015
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In 1650, bishop ussher claimed the earth was created in 4004 bc: before 1750 all sedimentary rocks were laid down in noah"s flood, and all other surface features were due to catastrophies. Uniformitarianism: the process in which the earth"s crust during geological history have resulted from the action of continuous and uniform processes: there are 3 concepts of mordern geology: Huttonian revolution (founded by james hutton, scottish physician and farmer in 1726-1797: uniformitarianism: the past geological events can be explained by forcfes occurring today. 2. gradual change: cumulatively account for most of what was known about the earth in the 18th century since change is slow, the earth must be very old. 3. earth is a dynamic planet: surface is constantly changing and its materials being constantly recycled. in 1800"s scientists believed that the earth had been molten and hand shrunk. The provided evidence: mountain belts like a crumpled skin. The problems: rift valleys seem to be pulling apart, not collapsing inwards.
