PPT Slide
500Ma
250Ma
50Ma
Relative
sea level
Rifting between
Gondwana/Laurasia
Central Atlantic
opens
Taconian
orogeny
LS/BB
Boothia
Uplift
PDSL
Ordo.
Sil.
Dev.
Carb.
Perm.
Tri.
Jurassic
Cretaceous
Sverdrup Basin
Rifting
LS/BB
*
Laramide
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