continental drift and plate tectonics - western...
TRANSCRIPT
Continental Drift and
Plate Tectonics
Chapter 8Pages 215-228
Exam Score• The pink marks on your scantron responses
show what you did answer, not an indication of correct or incorrect.
• Compare your answers to those shown on the form by letter as the correct answer. Please notify me after class if you have correct answers marked wrong.
• Add your scantron score from both sides to the boxed number in the lower left of the fill-in page.
• Add your ‘xc’ (extra credit) points to this.• Compare to the scale on the next slide to find
your letter grade on this exam.
Exam Results
• 60-75 points = A (eight, eleven)• 53-59 points = B (eleven, twelve)• 46-52 points = C (fifteen, thirteen)• 40-46 points = D (five, four)• 00-39 points = F (eight, eight)
Supercontinent 200 m.y.a.
Shelf fit of southern
continents
Mesosaurus occurrences
Other fossil locations
• http://www.mu.edu/classes/day/images/PlateTechtonics/fossils.gif
Structure across ocean
Structure matched
Occurrence of Southern Glaciation
Match of Southern Glaciation
Climate zones
• http://www.geol.umd.edu/~piccoli/100/ch9_2.htm
Climate distribution
• http://www.mu.edu/classes/day/images/PlateTechtonics/climatezones.htm
Change in pole position
• http://www.mu.edu/classes/day/images/PlateTechtonics/climatezones.htm
Change in continent position
• http://www.mu.edu/classes/day/images/PlateTechtonics/climatezones.htm
Climatic change with drifting
• http://www.geol.umd.edu/~piccoli/100/ch9_2.htm
Supercontinent 200 m.y.a.
• http://terra.chemeketa.edu/Faculty/fraa/geology/topics/tectonics/photos/htmls/world-sea-floor2.html
• http://terra.chemeketa.edu/Faculty/fraa/geology/topics/tectonics/photos/htmls/pacific-sea-floor.html
• http://vulcan.wr.usgs.gov/Glossary/PlateTectonics/Maps/map_quakes_world_990707_flat.html
Lithospheric Plates
Earth’s structure
Earth’s outer shell
Relationship of crust, lithosphere and asthenosphere
• http://earth.geol.ksu.edu/sgao/g100/plots/0829_12_litho.jpg
Active Volcanoes
http://vulcan.wr.usgs.gov/Glossary/PlateTectonics/Maps/map_plate_tectonics_world.html
