Triassic rifting between two continental landmasses ini-tiated the breakup of Pa
ID: 283980 • Letter: T
Question
Triassic rifting between two continental landmasses ini-tiated the breakup of Pangaea. Which two landmasses were these?
Australia and Antarctica
Gondwana and Laurasia
India and Eurasia
South America and Africa
QUESTION 2
The orogeny responsible for the present- day Rocky Mountains is the
Sevier
Sonoman
Nevadan
Laramide
QUESTION 3
Which formation contains one of the world s richest assemblages of Jurassic dinosaur fossils?
Morrison
Franciscan
Chinle
Newar
QUESTION 4
The second major Mesozoic seaway to flood North America was the
Zuni
Sundance
Cretaceous interior
Newark
Australia and Antarctica
Gondwana and Laurasia
India and Eurasia
South America and Africa
Explanation / Answer
1) Gondwana and Laurasia.
pangea , a suercontinent began to breakup into two landmasses, called gondwana and laurassia during mesozoic periods.
2) Laramide orogeny is responsible for the formation of rocky mountains