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Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf ·...

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Geological history of the Earth Three basic rock types: a) Igneous rocks b) Metamorphic rocks c) Sedimentary rocks Basalt & granite
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Page 1: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Geological history of the EarthThree basic rock types: a) Igneous rocks

b) Metamorphic rocks

c) Sedimentary rocks

Basalt & granite

Page 2: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Sedimentary rocks

Page 3: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Fossils in sedimentary rocks

Page 4: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Geological ages

Page 5: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Biological time scales

Page 6: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Other time scales 1

Page 7: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Other time scales 2

Page 8: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Radiometric dating

Page 9: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Decay of radioactive isotopes

Page 10: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Biogeo time scales

Page 11: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Age of earth

Hydrosphere: 4.3 Gyr

Page 12: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Formation of earth

Page 13: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Formation of the moon

Page 14: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Interior heating

Moon’s interior has cooled off due to its small size.

Page 15: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Outgassing of earth atmosphere

Page 16: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

lithosphere

Page 17: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Plate tectonics

Page 18: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

San andreas fault

Page 19: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Seismic waves

Page 20: Geological history of the Earthcorsica3.ucsc.edu/~lin/AY80/notes1/lecture5/ay80lec5.pdf · Geological ages. Biological time scales. Other time scales 1. Other time scales 2. ... EARLY

Plate boundary


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