Timeline
Timeline
| Eon | Era | Period | Timeline | Millions of Years |
|---|---|---|---|---|
| Phanerozoic | Cenozoic | Quarternary |
Modern man; northern glaciation First dinosaurs. Abundant cycads and conifers. |
Mountain
|
| Tertiary ⇒ | ||||
| Mesozoic | Cretaceous | |||
| Jurassic ⇒ | ||||
| Triassic | ||||
| Paleozoic | Permian |
First fishes; invertebrates dominant. First abundant record of marine life; trilobites dominant. |
250 Pine Point
540 |
|
| Caroboniferous | ||||
| Devonian ⇒ | ||||
| Silurian | ||||
| Ordovician | ||||
| Cambrian | ||||
| Precambrian | Proterozoic |
 |
723 Franklin Sills |
|
 |
900 Stromalotiles |
|||
 |
1200 Proterozoic |
|||
|
|
megacrystic 1840 Sedimentary |
|||
 |
2200 Dogrib |
|||
| Archean |
 |
2600 Yellowknife |
||
 |
2700 Yellowknife |
|||
| Hadean |
 |
3800 Acasta Gneiss ⇐ 4300 |
||
