GGR101H1 Lecture Notes - Lecture 4: Late Glacial, Geochronology, Phanerozoic
8 Feb 2019
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Document Summary
Lecture 4: the environmental prequel: from our earliest ancestors to the. Cover global climate and evolutionary dynamics on our planet from -1 mya to -25 kya: part 1: geochronology and our early ancestors, part 2: rise of homo to us alone. Geochronology and our early ancestors: overview of geochronology or geological history, history of our planet divided into groupings, supereons (higher, eons, epochs, ages, periods (lower) Continued geochronology and our early ancestors: overview of geochronology or geological history, history of our planet divided into major groupings of time, precambrian (supereon) - beginnings of our planet, phanerozoic (eon) - beginnings of advanced organisms. Continued geochronology and our early ancestors: the precambrian, from the formation of our planet to the first hard-bodied organisms, accounts for -90% of earth"s geological history. Continued geochronology and our early ancestors: earliest supereon: precambrian, made up of the following eons, hadean (oldest, archean, proterozoic (youngest, age: 4,600 to 540 mya.
