ABSTRACT Favel Formation A A’ - manitoba.ca · The Cretaceous System that forms much of the...
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Revised Cretaceous stratigraphic nomenclature of southwest Manitoba by J.D. Bamburak and M.P.B. Nicolas Poster presented at the Manitoba Mines and Minerals Convention, November 19-21, 2009 Winnipeg, Manitoba MGS m a n i t o b a g e o l o g i c a l s u r v e y 1 9 2 8 Figure 14: Boissevain Formation, along old Great Northern railway cut and adjacent to Boissevain reservoir, 9-7-3-19W1 (1971-05-15). Boissevain Formation Figure 13: Pierre Shale, Coulter Member, gully (now rehabilitated) on south side of PTH 3, 14-35-2-19W1 (1971-08-05). Boissevain Formation Coulter Member Pierre Shale Figure 12: Pierre Shale, Odanah Member, south wall of Brown aggregate shale quarry, 15-1-1-6W1 (2004-09-10). Odanah Member, Pierre Shale “oxidized” “unoxidized” Figure 11: Pierre Shale, Millwood Member, southeast flank of Mount Nebo, 4-18- 4-6W1 (2007-09-29). Millwood Member, Pierre Shale Figure 10: Pierre Shale, Pembina Member, north side of road allowance, 4-7-1- 5W1 (2004-09-10). Figure 9: Pierre Shale, Gammon Ferruginous Member, east bank of Vermilion River, 7-23-23-20W1 (1999-07-06). Figure 8: Carlile Formation, Boyne Member, north valley wall of Roseisle Creek (a tributary to the Boyne River), 1-14-6W1 (2008-08-27). “chalky” calcareous shale Boyne Member, Carlile Formation Figure 7: Carlile Formation, Morden Member, west side of roadside ditch, 16-10- 01-05W1 (2008-08-26). Morden Member, Carlile Formation Figure 6: Favel Formation, Assiniboine Member, including the Marco Calcarenite, south bank of Swan River, 13-1-35-29W1 (2009-08-21). Figure 5: Favel Formation, Keld Member, including the Laurier Limestone, east bank of Sclater Creek, 14-15-34-23W1 (2007-07-03). Figure 4: Ashville Formation, Belle Fourche Member, near Outcrop Section 66 of McNeil and Caldwell (1981, p. 357, 358), part of composite type section (component-lectostratotype), north bank of the Wilson River, 14-14-25-21W1 (2009-08-22). Figure 3: Swan River Formation, Outcrop Section 57 of McNeil and Caldwell (1981, p. 349, 350), part of composite type section (component-lectostratotype), west bank of the Swan River, 5-10-37-26W1 (1993-06-08). Swan River Formation Belle Fourche Member, Ashville Formation Favel Formation Assiniboine Member Keld Member Assiniboine Member Favel Formation Pierre Shale Carlile Formation Pembina Member Gammon Ferruginous Member Boyne Member Morden Member Pembina Member Boyne Member Gammon Ferruginous Member Pierre Shale Carlile Formation Laurier Limestone Marco Calcarenite The Cretaceous System that forms much of the Manitoba Escarpment was deposited during two major cycles of marine sedimentation, near the eastern margin of the Western Canada Sedimentary Basin (Figure 1). The current nomenclature of southwestern Manitoba's stratigraphic succession (Figure 2), in ascending order, follows. The Swan River Formation comprises 75 m of mainly fine grained sand or sandstone, with minor silt and light to dark grey kaolinitic clay (Figure 3). Its type locality is located northeast of Swan River, Manitoba. The formation unconformably oversteps rocks of Jurassic, Devonian, Silurian and Ordovician age. The Ashville Formation type locality is situated along the Wilson River near Ashville, Manitoba. Its lower contact is a disconformity. The Ashville formation consists of grey-black, noncalcareous shale, with subordinate amounts of silt, sand and calcarenite; and has a maximum thickness of 115 m. The Fish Scale zone, at the base of the Upper Ashville (or Belle Fourche) Member (Figure 4), marks the division between the Early and Late Cretaceous time in Manitoba. Where possible, the Lower Ashville Member is subdivided, in ascending order, into the Skull Creek, Newcastle and Westgate members). The Favel Formation comprises olive-black, chalk-speckled calcareous shale, argillaceous limestone and calcarenite, with a maximum 40 m thickness. The formation conformably to nonconformably overlies the Ashville Formation. Its type locality is situated on the East and West Favel river valleys, near Minitonas, Manitoba. The Favel Formation usually includes both its lower Keld (Figure 5) and upper Assiniboine (Figure 6) members, but the upper member has been noted to be absent at some localities. The Carlile Formation, which disconformably overlies the Favel Formation, was only recently recognized in southwestern Manitoba. The Carlile consists of the Morden Member (Figure 7), a 55 m (max.) thick facies-controlled basal noncalcareous carbonaceous shale; overlain by the Boyne Member (Figure 8), a 75 m (max.) thick calcareous, speckled and chalky shale. The Carlile composite reference section is in northern Montana. The Pierre Shale unconformably overlies the Carlile. The 340 m thick noncalcareous formation is subdivided, in ascending order, into the Gammon Ferruginous (Figure 9), Pembina (Figure 10), Millwood (Figure 11), Odanah (Figure 12), and Coulter (Figure 13) members. The Gammon is hard black shale with claystone concretions; and weathers dark reddish brown. The Pembina is grayish black carbonaceous shale with numerous thin white to pink nonswelling calcium bentonite beds. The Millwood is popcorn-weathering, semi-swelling bentonitic shale with ironstone concretions. The Odanah is hard black to dark greenish grey siliceous shale, which weathers into thin steel grey conchoidal fragments, with purplish manganese-stained fracture surfaces. The Coulter is a light grey to buff, bentonitic clayey silt. The Pierre Shale type section is near Pierre, South Dakota. The Boissevain Formation is the uppermost Cretaceous formation in Manitoba. The formation was named after Boissevain, Manitoba, situated just north of its type area. The 33 m thick Boissevain consists mainly of unconsolidated cross-bedded buff quartz-rich medium-grained “salt and pepper” sand; and usually has large calcareous sandstone concretions present in outcrop (Figure 14). The evolution of Cretaceous nomenclature of southwest Manitoba is documented in the 2009 Report of Activities under GS-19 Revisions to the Cretaceous stratigraphic nomenclature of southwest Manitoba (parts of NTS 62F, G, H, J, K, N, O, 63C, F) by J.D. Bamburak and M.P.B. Nicolas (Bamburak and Nicolas, 2009). ABSTRACT Bamburak, J.D. 1978: Stratigraphy of the Riding Mountain, Boissevain and Turtle Mountain formations in the Turtle Mountain area, Manitoba; Manitoba Mines, Resources and Environmental Management; Mineral Resources Division, Geological Report 78-2, 47 p. + 5 maps @ 1:250 000. Bamburak, J.D. and Nicolas, M.P.B. 2009: Revisions to the Cretaceous stratigraphic nomenclature of southwest Manitoba (parts of NTS 62F, G, H, J, K, N, O, 63C, F); in Report of Activities 2009, Manitoba Science, Technology, Energy and Mines, Manitoba Geological Survey, p. Bannatyne, B.B. 1970: The clays and shales of Manitoba; Manitoba Mines and Natural Resources; Mines Branch, Publication 67-1, 107 p. Braman, D.R., Sweet, A.R. and Lerbekmo, J.F. 1999: Upper Cretaceous – lower Tertiary lithostratigraphic relationships of three cores from Alberta, Saskatchewan, and Manitoba; Canada, Can. J. Earth Sci., vol. 39, p. 669-683. Christopher, J.E. and Yurkowski, M. 2007: An Upper Cretaceous (Milk River Formation) analogue of the Swift Current Platform and its relationship to elements of the Precambrian basement, southern Saskatchewan; in Summary of Investigations 2007, Volume 1, Saskatchewan Geological Survey, Sask. Industry Resources, Misc. Rep. 2007-4.1, CD-ROM, Paper A-9, 18 p. Christopher, J.E., Yurkowski, M., Nicolas, M. and Bamburak, J. 2006: The Upper Cretaceous (Turonian – Santonian) Carlile Formation of eastern southern Saskatchewan and correlative Morden and Boyne members of the Vermilion River Formation of southwestern Manitoba; in Summary of Investigations 2006, v. 1, Saskatchewan Geological Survey, Sask. Industry and Resources Misc. Rep. 2006-4.1, CD ROM, Paper A-13, 16 p. Kirk, S.R. 1930: Cretaceous stratigraphy of the Manitoba Escarpment; Geological Survey of Canada, Summary Report 1929, pt. B, p. 112-135. MacLean, A. 1915: Geology of the Pembina Mountain area, southern Manitoba; unpublished report on file, Manitoba Geological Survey, 64 p. McNeil, D.H. and Caldwell, W.G.E. 1981: Cretaceous rocks and their Foraminifera in Manitoba Escarpment; The Geological Association of Canada, Special Paper no. 21, 439 p. McLearn, F.H. and Wickenden, R.T.D. 1936: Oil and gas possibilities of the Hudson Bay Junction area, Saskatchewan; Geological Survey of Canada, Paper 36-8, 11 p. Nicolas, M.P.B. 2009: Williston Basin Project (Targeted Geoscience Initiative II): Summary report on Mesozoic stratigraphy, mapping and hydrocarbon assessment, southwestern Manitoba; Manitoba Science, Technology, Energy and Mines, Manitoba Geological Survey, Geoscientific Paper GP2009-1, 19 p. North American Commission on Stratigraphic Nomenclature 2005: North American Stratigraphic Code; AAPG Bulletin, v. 89, no. 11 (November 2005), p. 1547-1591. Parks, W.A. 1916: Report on the building and ornamental stones of Canada - v. 4, Provinces of Manitoba, Saskatchewan, and Alberta; Canada, Department of Mines; Mines Branch, Report 388, 333 p. Wickenden, R.T.D. 1945: Mesozoic stratigraphy of the eastern plains, Manitoba and Saskatchewan; Geological Survey of Canada, Memoir 239, 87 p. incl. Maps 637A, 638A & 713A. BIBLIOGRAPHY Overburden Pleistocene Paleocene CENOZOIC Turtle Mountain Turtle Mt. Fm. shale, lignite Boissevain Fm. sandstone Pierre Shale shale Cretaceous Carlile Fm. shale, bentonite Favel Fm. shale, limestone Ashville Fm. shale Swan River Fm. sandstone, shale Melita Fm. shale, sandstone Reston Fm. limestone, shale Amaranth Fm. evaporite, gypsum, red shale, sandstone Madison Group limestone Souris River Fm. Dawson Bay Fm. limestone, dolomite, shale Elk Point Group evaporite, dolomite, shale, sandstone Interlake Group dolomite Stonewall & Stony Mountain fms. dolomite, shale Red River Fm. limestone, dolomite Winnipeg Fm. sandstone, shale Jurassic Triassic Mississippian Devonian Silurian Ordovician MESOZOIC PALEOZOIC ERA PERIOD/ EPOCH Manitoba Escarpment Assiniboine River Red River Winnipeg River 0 10 20 30 40 0 100 200 300 metres kilometres PRECAMBRIAN A A’ A’ A Assiniboine River Red R. Winnipeg Figure 1: Cross-section of Paleozoic to Cenozoic formations in southern Manitoba. Member Member Swan River Formation Lower Member Upper Member Morden Member Boyne Member Success Fm Upper Member Lower Member Favel Formation Ashville Formation Watrous Formation Carlile Formation Base of Fish Scale marker upper lower Gammon Ferruginous Member Pierre Shale Keld Member Morden Member Newcastle Formation Lower Member Boyne Member Viking Sandstone ERA PERIOD EASTERN SASKATCHEWAN MANITOBA SUBSURFACE MANITOBA OUTCROP CENOZOIC Quaternary Tertiary glacial drift Ravenscrag Formation Turtle Mountain Formation Peace Garden Member Goodlands Member Frenchman Formation Whitemud Formation Eastend Formation Bearpaw Formation Belly River Formation Lea Park Formation Boissevain Formation Coulter Member Odanah Member Millwood Member Pembina Member Milk River Formation Boyne Member Carlile Formation Morden Member Chalky Unit Calcareous Shale Unit Carlile Formation Second White Specks Belle Fourche Formation Fish Scale Formation Westgate Formation Joli Fou Formation COLORADO GROUP upper lower CRETACEOUS MANNVILLE GROUP Pense Formation (P4) P2+P3 (lithological tops of sand) Cantuar Formation S 2 S 1 Favel Formation Assiniboine Member Keld Member Belle Fourche Member Fish Scale Zone Westgate Member Newcastle Member Skull Creek Member Assiniboine Member Marco Calcarenite Laurier Limestone Belle Fourche Member Ashville Formation Swan River Formation Reston Formation Amaranth Formation Upper Evaporite Lower Red Beds Masefield Shale Rierdon Formation Shaun- avon Fm Gravel- bourg Fm Upper Member Waskada Formation Melita Formation Upper Melita Member Lower Melita Member Reston Formation Amaranth Formation Upper (Evaporite) Member Lower (Red Beds) Member JURASSIC TRIASSIC PERMIAN St. Martin Igneous & Metamorphic Complex Boissevain Formation Coulter Member Odanah Member Millwood Member Pembina Member MESOZOIC MONTANA GROUP Pierre Shale Success Formation (S ) 2 Success Formation (S )equivalent 2 Gammon Ferruginous Member glacial drift glacial drift Peace Garden Member Goodlands Member Belly River “marker” Base of Fish Scale marker Lower Gravelbourg “marker” “lower” Odanah Member Pense “P4” marker Turtle Mountain Formation upper lower Westgate Member Skull Creek Member Niobrara Formation Wood Mountain Formation PALEOZOIC Figure 2: Mesozoic and Cenozoic stratigraphy of eastern Saskatchewan and of the subsurface and outcrop belt of southwest Manitoba (Nicolas, 2009, Figure 2).
Transcript of ABSTRACT Favel Formation A A’ - manitoba.ca · The Cretaceous System that forms much of the...
Revised Cretaceous stratigraphic nomenclature of southwest Manitoba
by J.D. Bamburak and M.P.B. NicolasPoster presented at the Manitoba Mines and Minerals Convention, November 19-21, 2009Winnipeg, Manitoba
MGS
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Figure 14: Boissevain Formation, along old Great Northern railway cut and adjacent to Boissevain reservoir, 9-7-3-19W1 (1971-05-15).
BoissevainFormation
Figure 13: Pierre Shale, Coulter Member, gully (now rehabilitated) on south side of PTH 3, 14-35-2-19W1 (1971-08-05).
BoissevainFormation
Coulter MemberPierre Shale
Figure 12: Pierre Shale, Odanah Member, south wall of Brown aggregate shale quarry, 15-1-1-6W1 (2004-09-10).
Odanah Member,Pierre Shale
“oxidized”
“unoxidized”
Figure 11: Pierre Shale, Millwood Member, southeast flank of Mount Nebo, 4-18-4-6W1 (2007-09-29).
Millwood Member,Pierre Shale
Figure 10: Pierre Shale, Pembina Member, north side of road allowance, 4-7-1-5W1 (2004-09-10).
Figure 9: Pierre Shale, Gammon Ferruginous Member, east bank of Vermilion River, 7-23-23-20W1 (1999-07-06).
Figure 8: Carlile Formation, Boyne Member, north valley wall of Roseisle Creek (a tributary to the Boyne River), 1-14-6W1 (2008-08-27).
“chalky”
calcareous shale
Boyne Member,Carlile Formation
Figure 7: Carlile Formation, Morden Member, west side of roadside ditch, 16-10-01-05W1 (2008-08-26).
Morden Member,Carlile Formation
Figure 6: Favel Formation, Assiniboine Member, including the Marco Calcarenite, south bank of Swan River, 13-1-35-29W1 (2009-08-21).
Figure 5: Favel Formation, Keld Member, including the Laurier Limestone, east bank of Sclater Creek, 14-15-34-23W1 (2007-07-03).
Figure 4: Ashville Formation, Belle Fourche Member, near Outcrop Section 66 of McNeil and Caldwell (1981, p. 357, 358), part of composite type section (component-lectostratotype), north bank of the Wilson River, 14-14-25-21W1 (2009-08-22).
Figure 3: Swan River Formation, Outcrop Section 57 of McNeil and Caldwell (1981, p. 349, 350), part of composite type section (component-lectostratotype), west bank of the Swan River, 5-10-37-26W1 (1993-06-08).
Swan RiverFormation
Belle Fourche Member,Ashville Formation
Favel Formation
AssiniboineMember
KeldMember
Assiniboine MemberFavel Formation
Pierre Shale
Carlile Formation
Pembina Member
Gammon FerruginousMember
Boyne Member
Morden Member
Pembina
Member
Boyne
MemberGammon Ferruginous Member
PierreShale
CarlileFormation
Laurier Limestone
Marco Calcarenite
The Cretaceous System that forms much of the Manitoba Escarpment was deposited during two major cycles of marine sedimentation, near the eastern margin of the Western Canada Sedimentary Basin (Figure 1). The current nomenclature of southwestern Manitoba's stratigraphic succession (Figure 2), in ascending order, follows.
The Swan River Formation comprises 75 m of mainly fine grained sand or sandstone, with minor silt and light to dark grey kaolinitic clay (Figure 3). Its type locality is located northeast of Swan River, Manitoba. The formation unconformably oversteps rocks of Jurassic, Devonian, Silurian and Ordovician age.
The Ashville Formation type locality is situated along the Wilson River near Ashville, Manitoba. Its lower contact is a disconformity. The Ashville formation consists of grey-black, noncalcareous shale, with subordinate amounts of silt, sand and calcarenite; and has a maximum thickness of 115 m. The Fish Scale zone, at the base of the Upper Ashville (or Belle Fourche) Member (Figure 4), marks the division between the Early and Late Cretaceous time in Manitoba. Where possible, the Lower Ashville Member is subdivided, in ascending order, into the Skull Creek, Newcastle and Westgate members).
The Favel Formation comprises olive-black, chalk-speckled calcareous shale, argillaceous limestone and calcarenite, with a maximum 40 m thickness. The formation conformably to nonconformably overlies the Ashville Formation. Its type locality is situated on the East and West Favel river valleys, near Minitonas, Manitoba. The Favel Formation usually includes both its lower Keld (Figure 5) and upper Assiniboine (Figure 6) members, but the upper member has been noted to be absent at some localities.
The Carlile Formation, which disconformably overlies the Favel Formation, was only recently recognized in southwestern Manitoba. The Carlile consists of the Morden Member (Figure 7), a 55 m (max.) thick facies-controlled basal noncalcareous carbonaceous shale; overlain by the Boyne Member (Figure 8), a 75 m (max.) thick calcareous, speckled and chalky shale. The Carlile composite reference section is in northern Montana.
The Pierre Shale unconformably overlies the Carlile. The 340 m thick noncalcareous formation is subdivided, in ascending order, into the Gammon Ferruginous (Figure 9), Pembina (Figure 10), Millwood (Figure 11), Odanah (Figure 12), and Coulter (Figure 13) members. The Gammon is hard black shale with claystone concretions; and weathers dark reddish brown. The Pembina is grayish black carbonaceous shale with numerous thin white to pink nonswelling calcium bentonite beds. The Millwood is popcorn-weathering, semi-swelling bentonitic shale with ironstone concretions. The Odanah is hard black to dark greenish grey siliceous shale, which weathers into thin steel grey conchoidal fragments, with purplish manganese-stained fracture surfaces. The Coulter is a light grey to buff, bentonitic clayey silt. The Pierre Shale type section is near Pierre, South Dakota.
The Boissevain Formation is the uppermost Cretaceous formation in Manitoba. The formation was named after Boissevain, Manitoba, situated just north of its type area. The 33 m thick Boissevain consists mainly of unconsolidated cross-bedded buff quartz-rich medium-grained “salt and pepper” sand; and usually has large calcareous sandstone concretions present in outcrop (Figure 14).
The evolution of Cretaceous nomenclature of southwest Manitoba is documented in the 2009 Report of Activities under GS-19 Revisions to the Cretaceous stratigraphic nomenclature of southwest Manitoba (parts of NTS 62F, G, H, J, K, N, O, 63C, F) by J.D. Bamburak and M.P.B. Nicolas (Bamburak and Nicolas, 2009).
ABSTRACT
Bamburak, J.D. 1978: Stratigraphy of the Riding Mountain, Boissevain and Turtle Mountain formations in the Turtle Mountain area, Manitoba; Manitoba Mines, Resources and Environmental Management; Mineral Resources Division, Geological Report 78-2, 47 p. + 5 maps @ 1:250 000.
Bamburak, J.D. and Nicolas, M.P.B. 2009: Revisions to the Cretaceous stratigraphic nomenclature of southwest Manitoba (parts of NTS 62F, G, H, J, K, N, O, 63C, F); in Report of Activities 2009, Manitoba Science, Technology, Energy and Mines, Manitoba Geological Survey, p.
Bannatyne, B.B. 1970: The clays and shales of Manitoba; Manitoba Mines and Natural Resources; Mines Branch, Publication 67-1, 107 p.
Braman, D.R., Sweet, A.R. and Lerbekmo, J.F. 1999: Upper Cretaceous – lower Tertiary lithostratigraphic relationships of three cores from Alberta, Saskatchewan, and Manitoba; Canada, Can. J. Earth Sci., vol. 39, p. 669-683.
Christopher, J.E. and Yurkowski, M. 2007: An Upper Cretaceous (Milk River Formation) analogue of the Swift Current Platform and its relationship to elements of the Precambrian basement, southern Saskatchewan; in Summary of Investigations 2007, Volume 1, Saskatchewan Geological Survey, Sask. Industry Resources, Misc. Rep. 2007-4.1, CD-ROM, Paper A-9, 18 p.
Christopher, J.E., Yurkowski, M., Nicolas, M. and Bamburak, J. 2006: The Upper Cretaceous (Turonian – Santonian) Carlile Formation of eastern southern Saskatchewan and correlative Morden and Boyne members of the Vermilion River Formation of southwestern Manitoba; in Summary of Investigations 2006, v. 1, Saskatchewan Geological Survey, Sask. Industry and Resources Misc. Rep. 2006-4.1, CD ROM, Paper A-13, 16 p.
Kirk, S.R. 1930: Cretaceous stratigraphy of the Manitoba Escarpment; Geological Survey of Canada, Summary Report 1929, pt. B, p. 112-135.
MacLean, A. 1915: Geology of the Pembina Mountain area, southern Manitoba; unpublished report on file, Manitoba Geological Survey, 64 p.
McNeil, D.H. and Caldwell, W.G.E. 1981: Cretaceous rocks and their Foraminifera in Manitoba Escarpment; The Geological Association of Canada, Special Paper no. 21, 439 p.
McLearn, F.H. and Wickenden, R.T.D. 1936: Oil and gas possibilities of the Hudson Bay Junction area, Saskatchewan; Geological Survey of Canada, Paper 36-8, 11 p.
Nicolas, M.P.B. 2009: Williston Basin Project (Targeted Geoscience Initiative II): Summary report on Mesozoic stratigraphy, mapping and hydrocarbon assessment, southwestern Manitoba; Manitoba Science, Technology, Energy and Mines, Manitoba Geological Survey, Geoscientific Paper GP2009-1, 19 p.
North American Commission on Stratigraphic Nomenclature 2005: North American Stratigraphic Code; AAPG Bulletin, v. 89, no. 11 (November 2005), p. 1547-1591.
Parks, W.A. 1916: Report on the building and ornamental stones of Canada - v. 4, Provinces of Manitoba, Saskatchewan, and Alberta; Canada, Department of Mines; Mines Branch, Report 388, 333 p.
Wickenden, R.T.D. 1945: Mesozoic stratigraphy of the eastern plains, Manitoba and Saskatchewan; Geological Survey of Canada, Memoir 239, 87 p. incl. Maps 637A, 638A & 713A.
BIBLIOGRAPHY
Overburden
Pleistocene
Paleocene
CE
NO
ZO
IC
TurtleMountain
TurtleMt. Fm.
shale,lignite
BoissevainFm.
sandstone
Pierre Shaleshale
Cre
tac
eo
us
Carlile Fm.
shale, bentonite
Favel Fm.
shale, limestone
Ashville Fm.
shale
Swan River Fm.
sandstone, shale
Melita Fm.
shale, sandstone
Reston Fm.
limestone, shale
Amaranth Fm.
evaporite, gypsum, red shale, sandstone
Madison Group
limestone
Souris R
iver Fm
.
Dawson Bay F
m.
limestone, dolomite, shale
Elk Poin
t Gro
up
evaporite, dolomite, shale, sandstone
Inte
rlake G
roup
dolomite
Stonewall &
Sto
ny Mounta
in fm
s.
dolomite, s
hale
Red Riv
er Fm
.
limestone, d
olomite
Win
nipeg F
m.
sandstone, shale
Jurassic
Triassic
Mississippian
Devonian
Silurian
Ord
ov
icia
n
ME
SO
ZO
ICP
AL
EO
ZO
IC
ERAPERIOD/EPOCH
ManitobaEscarpment
AssiniboineRiver
RedRiver
WinnipegRiver
0 10 20 30 40
0
100
200
300
me
tre
s
kilometres
PRECAMBRIA
N
A A’
A’
A
Assin
iboin
e
River
Red
R.
Winnipeg
Figure 1: Cross-section of Paleozoic to Cenozoic formations in southern Manitoba.
Member
Member
Swan River Formation
Lower Member
Upper Member
Morden Member
Boyne Member
Su
cce
ssF
m
Upper MemberLower Member
Fave
l F
orm
atio
n
Ash
ville
Form
atio
n
Watr
ous
Form
atio
n
Carlile
F
orm
atio
n
Base of Fish Scale marker
upper
low
er
Gammon Ferruginous Member
Pie
rre S
hale
KeldMember
Morden Member
Newcastle Formation
Lower Member
Boyn
eM
em
ber
Viking Sandstone
ER
A
PERIODEASTERN
SASKATCHEWANMANITOBA SUBSURFACE
MANITOBA OUTCROP
CE
NO
ZO
IC Quaternary
Tertiary
glacial drift
Ravenscrag Formation
Tu
rtle
Mo
un
tain
F
orm
atio
n
Peace Garden Member
Goodlands Member
Frenchman Formation
Whitemud Formation
Eastend Formation
Bearpaw Formation
Belly River Formation
Lea Park Formation
Boissevain Formation
Coulter Member
Odanah Member
Millwood MemberPembina Member
Milk River Formation
Boyne Member
Ca
rlile
Fo
rma
tion
Morden Member
Chalky Unit
Calcareous Shale Unit
Carlile
Form
atio
n
Second White Specks
Belle Fourche Formation
Fish Scale Formation
Westgate Formation
Joli Fou Formation
CO
LO
RA
DO
GR
OU
P upper
low
er
CR
ETA
CE
OU
S
MA
NN
VIL
LE
GR
OU
P
Pense Formation (P4)
P2+P3 (lithological tops of sand)
Cantuar Formation
S2
S1
Fave
l F
orm
atio
n
Assiniboine Member
Keld Member
Belle Fourche Member
Fish Scale Zone
Westgate Member
Newcastle Member
Skull Creek Member
Assiniboine Member
Marco Calcarenite
Laurier Limestone
Belle Fourche Member
Ash
ville
Form
atio
n
Swan River Formation
Reston Formation
Am
ara
nth
F
orm
atio
n Upper Evaporite
Lower Red Beds
Masefield Shale
Rierdon Formation
Shaun-avon Fm
Gravel-bourg
Fm
Upper Member
Waskada FormationM
elit
a
Form
atio
nUpper Melita Member
Lower Melita Member
Reston Formation
Am
ara
nth
F
orm
atio
n
Upper (Evaporite) Member
Lower (Red Beds) Member
JU
RA
SS
ICT
RIA
SS
IC
PERMIANSt. Martin Igneous & Metamorphic Complex
Boissevain Formation
Coulter Member
Odanah Member
Millwood Member
Pembina Member
ME
SO
ZO
IC
MO
NTA
NA
GR
OU
P
Pie
rre S
hale
Success Formation (S )2 Success Formation (S )equivalent2
Gammon Ferruginous Member
glacial drift glacial drift
Peace GardenMember
Goodlands Member
Belly River “marker”
Base of Fish Scale marker
Lower Gravelbourg “marker”
“lower” Odanah Member
Pense “P4” marker
Tu
rtle
Mo
un
tain
F
orm
atio
n
upper
low
er Westgate Member
Skull Creek Member
Niobrara Formation
Wood Mountain Formation
PA
LE
OZ
OIC
Figure 2: Mesozoic and Cenozoic stratigraphy of eastern Saskatchewan and of the subsurface and outcrop belt of southwest Manitoba (Nicolas, 2009, Figure 2).
