Test #2 Review

Test #2 Review - Review Sheet for Historical Geology Exam...

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Review Sheet for Historical Geology Spring 2011 Exam Two CURRENT EVENTS Archean and the Solar System -chapter 8 Archean –most of Earth’s History 4.6 bya to 700 mya 80% of Earth’s history Solar Nebular Hypothesis Know the planets! Star evolution 5 stages 4 forces responsible for life Earth Atmosphere/biosphere/hydrosphere Composition of early Earth crust Komatite/Basalt Granites formed from partial melting -mafic to felsic Composition of early atmosphere CH4 , NH3 , CO2, H2Ovapor Archean rock types and what they represent BIFs, Greenstone belts, and Gneiss belts Essential components for life Protein, nucleic acid, organic compounds, lipid membrane Amino acids -20 occur in life Archeobacteria Cyanobacteria –Stromatolites Eubacteria Algae and Eubacteria Where did life begin? Proterozoic – chapter 9
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This note was uploaded on 01/23/2012 for the course GEOL 102 taught by Professor Kysar during the Spring '06 term at George Mason.

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Test #2 Review - Review Sheet for Historical Geology Exam...

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