STRATIGRAPHIC CORRELATION CHART

TGI II: Williston Basin Architecture and Hydrocarbon Potential in Eastern Saskatchewan and Western Manitoba

EASTERN MANITOBA PERIOD MANITOBA SUBSURFACE SASKATCHEWAN OUTCROP

ERA

glacial drift glacial drift glacial drift Quaternary

Wood Mountain Formation Peace Garden Peace Garden Member Tertiary Member Ravenscrag Formation

CENOZOIC Formation Goodlands Member Formation Goodlands Member

Turtle Mountain Turtle Mountain Turtle

Frenchman Formation Whitemud Formation Boissevain Formation Boissevain Formation Eastend Formation Coulter Member Coulter Member Bearpaw Formation Odanah Member Belly River “marker” Odanah Member Belly River Formation “lower” Odanah Member Millwood Member Lea Park Formation Millwood Member

MONTANA GROUP Pembina Member Pembina Member

Pierre Shale

Pierre Shale Milk River Formation Gammon Ferruginous Member Gammon Ferruginous Member

Niobrara Formation Chalky Unit Boyne Member Boyne Member

Boyne Calcareous Shale Unit

Member

Carlile Morden Member Carlile

upper

Formation Morden Member Formation Morden Member

Carlile Formation

Assiniboine Marco Calcarenite Assiniboine Member Member

CRETACEOUS Second White Specks Laurier Limestone Beds

Favel Favel Keld Keld Member Member

Formation Formation

Belle Fourche Formation Belle Fourche Member

MESOZOIC

COLORADO GROUP Belle Fourche Member

upper Fish Scale Formation Fish Scale Zone upper Base of Fish Scale marker Base of Fish Scale marker Westgate Formation Westgate Member lower Westgate Member Newcastle Formation Newcastle Member

lower Viking Sandstone lower Skull Creek Member Skull Creek Member

Joli Fou Formation Ashville Formation

Ashville Formation Pense Formation (P4) Pense “P4” marker P2+P3 (lithological tops of sand) Swan River Formation Swan River Formation GROUP Cantuar Formation

MANNVILLE

S2 Success Formation (S2 ) Success Formation (S2 )equivalent

Fm

Success S1 Waskada Formation Masefield Shale Rierdon Formation Upper Melita Member

Shaun- Upper Member

avon Fm Melita Lower Melita Member Lower Member

Formation Gravel- Upper Member Reston JURASSIC bourg Formation Lower Gravelbourg “marker” Reston Formation Fm Lower Member Upper Member Upper (Evaporite) Member Upper Evaporite

Watrous

Amaranth Lower Red Beds

Formation

Lower (Red Beds) Member Formation Lower Member Amaranth

Formation

TRIASSIC

St. Martin Igneous & Metamorphic Complex PERMIAN

Pennsylvanian

BIG SNOWY GROUP

Greenpoint Anhydrite

Poplar Beds

Oungre Evaporite

Oungre Zone

Ratcliff Beds Ratcliff Charles Formation Midale Evaporite upper lower

Midale Beds Frobisher Evaporite Hastings Evaporite

Frobisher Beds Charles Formation Kisbey Kisbey Interval Interval MC-3b

MISSISSIPPIAN Alida Beds Dando Evaporite

MC-3 MC-3 marker

Member MADISON GROUP MC-3a

Mission Canyon Formation upper MC-2 marker

MC-2 Tilston Beds Member lower MC-1 Member

Mission Cannon Formation Flossie Lake Member Slope facies (Daly Field) Shelf facies (Virden Field) upper middle upper

Daly

Member lower Cruickshank lower

MADISON GROUP

Shale facies Whitewater Lake Mbr Souris Valley Beds Cruickshank upper Crinoidal facies

Lodgepole Formation Cromer lower

Shale facies Member Virden

Basal Scallion Member Limestone facies Routledge Shale facies

Upper Member Upper Member

Middle Member Middle Member ?

Bakken Fm Bakken Fm Lower Member Lower Member Big Valley Formation QU’APPELLE GROUP

THREE FORKS GROUP Torquay Formation Three Forks Formation

Upper Birdbear Upper (biohermal facies)

Lower Birdbear Lower (platform facies)

Birdbear Fm

Birdbear Fm

Seward Member Seward Member

Duperow Formation Flat Lake Evaporite Flat Lake Evaporite Upper Upper

SASKATCHEWAN GROUP SASKATCHEWAN

SASKATCHEWAN GROUP SASKATCHEWAN

Duperow Formation Middle Middle

Wymark Member

Duperow Formation

Wymark Member Lower Lower Elstow Member Elstow Member Saskatoon Member Saskatoon Member GROUP SASKATCHEWAN Souris River marker Hatfield Member Hatfield Member Hatfield/Minitonas Member Upper Harris Evaporite Sagemace Member Harris Member Harris Member Lower Harris Evaporite Basal Shale Davidson Evaporite Dolomitic Limestone Beds

PALEOZOIC Davidson Member Micritic Limestone Beds Davidson Member Argillaceous Limestone Beds

Souris River Formation

Souris River Formation Souris River Formation First Red Beds

First Red Bed Member First Red Bed Member Point Wilkins Mbr

DEVONIAN Hubbard Evaporite Hubbard Evaporite

MANITOBA GROUP

MANITOBA GROUP MANITOBA GROUP Neely Member Neely Member Upper Member (D) Middle Member (C) Burr Member Burr Member Lower Member (B)

Second Red Bed Member Formation Second Red Bed Member (A)

Dawson Bay Formation

Dawson Bay Formation Second Red Bed Member Dawson Bay Patience Lake Member Belle Plaine Member

White Bear Member White Bear Member Esterhazy Member Esterhazy Member

Prairie Evaporite

Prairie Evaporite

GROUP GROUP

Transitional Unit Transitional Beds Transitional Beds

Upper Member GROUP Upper Member

Upper Member Fm

Fm

ELK POINT ELK POINT Fm Lower Mb

Winnipegosis

Winnipegosis Lower Member Winnipegosis Lower Member Elm Point Formation Ashern Formation Ashern Formation Ashern Formation

ELK POINT

Cedar Lake Formation Upper Interlake upper Interlake equivalent

East Arm Formation

Atikameg Formation Lower Interlake lower Interlake equivalent

INTERLAKE GROUP Moose Lake Formation

INTERLAKE GROUP

INTERLAKE GROUP

Interlake Formation

SILURIAN Lower Interlake Anhydrite Fisher Branch Formation

Upper Stonewall Anhydrite upper Stonewall upper Stonewall

? t-marker t-marker t-marker Medial Stonewall Anhydrite lower Stonewall lower Stonewall

Stonewall Formation

Stonewall Formation

Stonewall Formation Basal Stonewall Anhydrite Williams Member Basal Stonewall Anhydrite Williams Member Williams Member Gunton Anhydrite Gunton Anhydrite

Gunton Member Gunton Member Gunton Member

upper

Penitentiary Member Gunn Member Gunn Member / Penitentiary Member Gunn Member

Stony Mountain Fm

Stony Mountain Fm

Stony Mountain Fm Hartaven Member Hartaven Member lower Hartaven Member Redvers Unit Redvers Unit Coronach Anhydrite

BIGHORN GROUP BIGHORN GROUP Coronach Unit Coronach Member Fort Garry Member

Lake Alma Anhydrite upper Lake Alma Anhydrite Lake Alma Member Lake Alma Unit

Herald Formation Unit C ?

ORDOVICIAN Selkirk Member lower Red River Yeoman Formation (Yeoman equivalent) ? Cat Head Member

Red River Sub-group

Unit B

Red River Formation

Red River Formation Dog Head Member

Hecla Beds Hecla Beds Hecla Beds (Unit A) upper unit Icebox Member Carman Sand Winnipeg Formation lower unit Black Island Member

Winnipeg Fm Winnipeg Fm basal sandstone unit

CAMBRIAN Deadwood Formation Deadwood Formation Deadwood Formation

PRECAMBRIAN Precambrian Precambrian Precambrian

January 2009