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Regions and Provinces Northern Midcontinent Plays Northern Midcontinent Digital Petroleum Atlas

Geologic Systems, Sequences, and Plays


Select a Geologic System. You will be shown a page describing the distribution of that system in the Northern Midcontinent. The plays in that system will also be listed.

Geologic
System
Sequence Time
Begin
(MYA)
Time
End
(MYA)
TertiaryTejas602
Upper CretaceousZuni III9665
Lower CretaceousZuni II13897
JurassicZuni I &
Upper Absaroka
206144
TriassicUpper Absaroka243213
PermianMiddle Absaroka268245
PennsylvanianLower Absaroka330286
MississippianUpper Kaskaskia362330
DevonianLower Kaskaskia &
Upper Tippecanoe
401362
SilurianUpper Tippecanoe438408
OrdovicianLower Tippecanoe
& Upper Sauk
488438
CambrianSauk548505
Pre-Cambrian ?590


Back to Northern Midcontinent Map
Kansas Geological Survey, Digital Petroleum Atlas
Comments to webadmin@kgs.ku.edu
Updated Nov. 4, 1996
URL = http://www.kgs.ku.edu/DPA/NMC/Sys/seq1.html