les temps geologiques Flashcards Preview

geo test 1 grade nine > les temps geologiques > Flashcards

Flashcards in les temps geologiques Deck (11):
1

what is the first era called

precambrien (mis en place) 400,600,000,000BC-570,000,000BC

2

what is the second era called

paleozoique 570,000,000-245,000,000BC

3

what is the third era called

mesozoique 245,000,000BC-66,000,000BC

4

what is the fourth era called

cenozoique 66,000,000BC-maintenant

5

what happened in the Precambrian era to Canada?

-Les boucliers se forment
-les organismes se forment

6

what happened in the paleozoique era to Canada?

-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

what happened in the mesozoique era to Canada?

-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

what happened in the cenozoique era to Canada?

-Les nappes glacieres
-La formation des rocheuses s'est achevee
-le developpement des humains
-l'age des mammifieres

9

bouclier canadien: which era?

precambrien

10

appalachians: which era?

paleozoique

11

cordillera: which era?

fin du mesozoique+debut du cenozoique