Mesozoic Era - The Breakup of Pangaea Flashcards

(14 cards)

1
Q

Due to ___________ ____________ preserved in the oceanic crust, geologists have a very good record of the history of Pangaea’s breakup.

A

Magnetic Anomalies

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2
Q

Period of Pangaea’s assembly

A

Early Permian

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3
Q

Period of Pangaea’s break-up

A

Late Triassic

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4
Q

Pangaea’s breakup began with rifting between ___________ and __________ during the Triassic.

A

Laurasia and Gondwana

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5
Q

By the end of the Triassic, the newly formed Atlantic Ocean separated what continents?

A

North America and Africa

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6
Q

North America and South America began rifting during what periods?

A

Late Triassic and Early Jurassic

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7
Q

The initial breakup of _____________ took place
during the Late Triassic and Jurassic periods.

A

Gondwana

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8
Q

Which continents that were sutured together began rifting from South America and Africa.

A

Antarctica and Australia

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9
Q

When India began rifting from the Gondwana continent, to what direction did it move to?

A

Northward

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10
Q

South America and Africa began rifting during the ___________ period

A

Jurassic

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11
Q

By the end of what period did Australia and Antarctica had detached from one another?

A

Cretaceous

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12
Q

By the end of the Creataceous, __________ had moved into the low southern latitudes and was nearly to the equator.

A

India

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13
Q

By the end of the Creataceous ____________ and _____________ were already widely separated.

A

South America and Africa

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14
Q

By the end of the Creataceous, ___________ was essentially an independent landmass, with only a shallow sea between it and North America and Europe.

A

Greenland

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