Petroleum System Events Chart

1
Petroleum System Events Chart
North Slope, Alaska
Geologic Time-Scale
400
300
200
100
Paleozoic
Mesozoic
Cenozoic
Petroleum System Events
D
M
P
P
TR
J
K
Pe
N
Source Rock
Reservoir Rock
Seal Rock
Overburden
Trap Formation
Generation, Migration, and Accumulation
Preservation
Critical Moment
1. Western North Slope 2. East-central North Slope
Bird, 1994