CAS AR 100 Lecture Notes - Lecture 3: John Frere, Types Of Volcanic Eruptions, Carbon Cycle
7 Jan 2017
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Document Summary
Relative dating- determine of something is earlier or later relative to something else: three age system. Christian jurgensen thomsen - stone bronze iron was the order he put objects in. Rough chronological order based on common sense. Association of stone tools with extinct animals. Two geological principles (uniformitarianism and evolution) led to understanding cultural evolution from antiquity: handaxes found by john frere, followed by discoveries by jacques boucher de. Perthes found more stone tools is same level as rhino bones, still tired to fit his discoveries into biblical context but was hard for him. Charles lyell: theory of uniformitarianism entire world is subject to uniform forces (erosion/raining/etc. ) this is in contrast to catastrophism, which said the world happened by a reaction. Present is key to understanding the past, the environmental changes we see today, ppl saw in the past. Sir john lubbock prehistoric times : buys into darwin"s natural selection.
