ILST 2655 Lecture Notes - Lecture 5: Karst, Eurasian Plate, North American Plate
27 Nov 2018
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Document Summary
Mass movements, karst topography, soil, erosion, sink holes, caves, caverns, The earth was formed 4. 7 billion years ago. Geological time - divided into eons, eras, epics, period. Catastrophism - things breaking and blowing up. Uniformitarianism - a lot of things are the same all over. Fossil patterns species are present in some areas today, but its fossils are found somewhere else in the world. Inner core where the earth starts: purely solid iron (6370 km) Outer core liquid molten metallic iron, 10. 7 g/cm cube. Lower mantle composed of some minerals (olivine, iron/magnesium silicates (high density perovskite) Lithosphere - this is where we are living. Heat of the sun and the rotation of the world has an impact on the earth"s crust. There are 14 plates; african plate, north american plate, philippines plate, indian plate, eurasian plate, etc. The lithosphere and earth"s crust have movement as well.
