PHSC 210 QUESTIONS AND ANSWERS LATEST EDITION GRADED A+
Laurentia and Gondwana
According to Wegener, Pangaea split first into these two portions, which later split to form today's
continents.
Abraham Ortelius
First to make an atlas and notice African coastline fit with S. American coastline
Antonio Snider-Pellegrini
1. Published book in 1858 arguing for moving continents
2. Believed Noah's flood responsible for part of the movement
3. His book was ignored because of 1859 Origin of Species
Alfred Wegener
In 1915 he proposed a theory of continental drift and he coined the term Pangaea, meaning "all land"
fit of the continents; matching geology across the Atlantic; distribution of fossils; distribution of living
organisms; evidences of ancient climate
Wegener's 5 Lines of Evidence
no mechanism to move continents
Wegener's big problem
dipole magnetic field
exits the s. pole and enters n. pole
magnetic reversals
when the magnetic field flips its orientation
Atlas, Appalachian, Scandinavian
What mountain chains form a single line when put together as Pangaea.
Glossopteris
An example of a fossil-plant found across all continents, supporting the theory of Pangaea
Curie point
the temperature at which certain materials lose their permanent magnetic properties, to be replaced by
induced magnetism
paleo magnetism
ancient magnetic signatures in rocks
Laurentia and Gondwana
According to Wegener, Pangaea split first into these two portions, which later split to form today's
continents.
Abraham Ortelius
First to make an atlas and notice African coastline fit with S. American coastline
Antonio Snider-Pellegrini
1. Published book in 1858 arguing for moving continents
2. Believed Noah's flood responsible for part of the movement
3. His book was ignored because of 1859 Origin of Species
Alfred Wegener
In 1915 he proposed a theory of continental drift and he coined the term Pangaea, meaning "all land"
fit of the continents; matching geology across the Atlantic; distribution of fossils; distribution of living
organisms; evidences of ancient climate
Wegener's 5 Lines of Evidence
no mechanism to move continents
Wegener's big problem
dipole magnetic field
exits the s. pole and enters n. pole
magnetic reversals
when the magnetic field flips its orientation
Atlas, Appalachian, Scandinavian
What mountain chains form a single line when put together as Pangaea.
Glossopteris
An example of a fossil-plant found across all continents, supporting the theory of Pangaea
Curie point
the temperature at which certain materials lose their permanent magnetic properties, to be replaced by
induced magnetism
paleo magnetism
ancient magnetic signatures in rocks
