les temps geologiques Flashcards
1
Q
what is the first era called
A
precambrien (mis en place) 400,600,000,000BC-570,000,000BC
2
Q
what is the second era called
A
paleozoique 570,000,000-245,000,000BC
3
Q
what is the third era called
A
mesozoique 245,000,000BC-66,000,000BC
4
Q
what is the fourth era called
A
cenozoique 66,000,000BC-maintenant
5
Q
what happened in the Precambrian era to Canada?
A
- Les boucliers se forment
- les organismes se forment
6
Q
what happened in the paleozoique era to Canada?
A
- Les grands parties de l’Amerique du Nord sont couvertes de mers peu profondes
- Les appalaches se forment
- l’age des amphibiens/poissons
- les insectes apparaient
- les premieres plantes+animaux
7
Q
what happened in the mesozoique era to Canada?
A
- La formation des rocheuses
- La chaine des inuitiennes s’est forme
- l’age des reptiles et dinosaurs
- les premiers plantes
- les premiers mammifieres et oiseaux
8
Q
what happened in the cenozoique era to Canada?
A
- Les nappes glacieres
- La formation des rocheuses s’est achevee
- le developpement des humains
- l’age des mammifieres
9
Q
bouclier canadien: which era?
A
precambrien
10
Q
appalachians: which era?
A
paleozoique
11
Q
cordillera: which era?
A
fin du mesozoique+debut du cenozoique