EES1_Lecture3_student

EES1_Lecture3_student - Today: Plate Tectonics In 1596...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Today: Plate Tectonics In 1596 Abraham Ortelius suggested that Africa and Europe had been torn away from the Americas by earthquakes and floods in Thesaurus Geographicus 1858 - Geographer Antonio Snider-Pelligrini From Adam to Noah After the Deluge Alfred Wegener 1915-1930; developed the notion of Continental Drift, including supercontinent Pangea based on: Coastline Shapes Fossil plants Fossil animals Geologic Structures His hypothesis was rejected Early ideas: Continental drift 270 Ma Glacial Deposits at the Equator?!? Glacial striations Glacial erratics If continents could move then continuity of glacial deposits Arrows indicate ice flow directions In 1921, S. African geologist Alexander du Toit started assembling all paleontological and geological evidence supporting the continental drift. dispersion of plants w/ large seeds incapable of wind transport across wide oceans modern Madagascarian worms closer to Indian worms than nearby African worms eastern N. Am. worm closer to European worm than to American Pacific coast worms Fossil (Paleontology) Evidence Fossil (Paleontology) Evidence Freshwater(!) Mesosaurus fossils from The Earth , Tarbuck and Luntgens, 1987 Several fossil organisms have been found in common on different continents How can the same species evolve on widely separated continents???...
View Full Document

Page1 / 54

EES1_Lecture3_student - Today: Plate Tectonics In 1596...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online