GSC 102 Study Guide - Quiz Guide: Clair Cameron Patterson, Zircon, Hadean
16 Sep 2018
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Evidence brought into the environment more recently absorb lead from the atmosphere. When people turn on their car engines and lead comes out the tailpipe, it gets into our skin. Took 6 years to find # of lead > age of the earth (4. 56 billion years) A lot more lead found in surface water than in deep ocean waters because it"s been. The new form of lead in gasoline is fat soluble meaning the oil and fats in our skin. Led mimics iron in the blood and effects circulation > sluggish, foggy. Patterson saw past this and said it wasn"t always this way. 4. 47 billion years ago moon formed (collision provide stability to planet, allows. 4. 3 billion years ago earth cooled (magma cools solid rock) Blocks neurotransmitters reduced impulse control, slowed learning, impaired memory. 1937-1966 there was no change in lead; levels were high and stayed high clair hundreds to thousands of years ago lead levels were much lower.
