Mesozoic Era - The Breakup of Pangaea Flashcards
(14 cards)
Due to ___________ ____________ preserved in the oceanic crust, geologists have a very good record of the history of Pangaea’s breakup.
Magnetic Anomalies
Period of Pangaea’s assembly
Early Permian
Period of Pangaea’s break-up
Late Triassic
Pangaea’s breakup began with rifting between ___________ and __________ during the Triassic.
Laurasia and Gondwana
By the end of the Triassic, the newly formed Atlantic Ocean separated what continents?
North America and Africa
North America and South America began rifting during what periods?
Late Triassic and Early Jurassic
The initial breakup of _____________ took place
during the Late Triassic and Jurassic periods.
Gondwana
Which continents that were sutured together began rifting from South America and Africa.
Antarctica and Australia
When India began rifting from the Gondwana continent, to what direction did it move to?
Northward
South America and Africa began rifting during the ___________ period
Jurassic
By the end of what period did Australia and Antarctica had detached from one another?
Cretaceous
By the end of the Creataceous, __________ had moved into the low southern latitudes and was nearly to the equator.
India
By the end of the Creataceous ____________ and _____________ were already widely separated.
South America and Africa
By the end of the Creataceous, ___________ was essentially an independent landmass, with only a shallow sea between it and North America and Europe.
Greenland