Georges louis leclerc comte de buon b 1707 assumed

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Unformatted text preview: d, and they’re dead already anyway) C)  Temperatures increase, and daisies begin to grow (sprou;ng from below- ground roots) D)  We haven’t described the system adequately to answer this ques;on 30 The age of the Earth How do we develop an age framework for Earth history? Timescales are cri;cal for understanding rates of global change. 31 Early Approaches for Da;ng the Earth Biblical chronology John Lighnoot (1602- 1675). Earth age: 3928 BC “…his chronology was based on a careful analysis of the ages of individuals men;oned in the Old Testament, and he even assigned the exact ;me of Crea;on as in September, at the autumnal equinox” James Ussher (b. 1581). Earth age: 4004 BC “In the beginning, God created Heaven and Earth, Gen. I.V.I. Which beginning of ;me, according to our chronology, fell upon the entrance of the night preceding the twenty third day of October in the year of the Julian calendar 710” (Ussher, 1658). 32 Siccar Point, Scotland all this in four thousand years??? 33 A scien;fic approach: Time required for the Earth to cool from an ini;al molten state. Georges- Louis Leclerc, Comte de Buffon (b. 1707) • Assumed Earth started out as a molten ball of (mainly) iron • Fabricated a...
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