GEOL 1304 Lecture Notes - Lecture 3: Litre, Anthropocene, Hadean
Document Summary
Calendarweek1 unconformity missing sentence at boundary between two rock and roll formations. Which important event took place at the pre-welsh /cambrian boundary: 540 ml yr. ago, explosion of life on site; multicellular starts here! 60 millilitre north/south usa was connected, then separated. The 4th eon begins at ___ mommy and it marks visible spirit ; sprightliness explosion; the cambrian. Age of our sun and what is make of. 4 mile , we had atm but no oxygen. 2. 4 bil geezerhood ago photosynthesis happens, algae was expiring. Oxygen in atmosphere offprint /trust making ozone in atm. and in environment on land . the three aeon reckoning for __ % of earth"s history. The geologic time scale is subdivided into (quintuplet ) eons, eras, period, era , age. Age of our world and how we know it. Hadean, archaeozoic aeon (anchient), proterozoic (creature life story ), and phanerozoic (visible life).
