01:460:100 Midterm: EXAM 1 DEFINITIONS!

• School: Rutgers University
• Department: Geological Sciences
• Course: 01:460:100
• Professor: All

Document Summary

Uniformitarianism- the present is the key to the past . Natural processes in the past are the same as those that can be observed in the present. Catastrophism- the idea that earth has been affected in the past by sudden, short-lived, violent events, possibly worldwide in scope. Proposed that rocks formed from crystallization of minerals in the early earth"s oceans. Abraham werner - german geologist who created neptunism, which is about the stratification of the earth"s crust. Iridium - very hard, brittle, silvery-white, 2nd densest element. Age of the earth - around 4. 54 billion years. Big bang - cosmological model of initial conditions and development tof the universe. Universe expanded from hot and dense initial condition. Doppler effect - the change in frequency and wavelength of a wave for an observer moving relative to the source of the waves. (front = higher back. The increase in the wavelength of electromagnetic radiation.