Geology of Wisconsin - Outcrop Descriptions

These descriptions illustrate various geologic formations, features, and characteristics. Individual descriptions are one to ten pages long, and include a map with specific location, a description of geologic features, and a discussion of the geologic significance.

Data and Resources

OUT-AD01

Adams County: Upper Wisconsin Dells (T14N R6E Sec28)

Attig, J.W.; Clayton, Lee;

Report: 3 p.

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OUT-AD02

Adams County: Friendship Mound (T17N R6E Sec5)

Ostrom, M.E.;

Report: 2 p.

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OUT-AD03

Adams County: Hamilton Mound (T20N R6E Sec36)

Brown, B.A.; Greenberg, J.K.;

Report: 4 p.

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OUT-ALLCD

Geology of Wisconsin - Outcrop Descriptions

Wisconsin Geological and Natural History Survey;

1978

Report: 406 p.

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OUT-AS01

Ashland County: Mt. Whittelsey (T44N R2W Sec9A)

LaBerge, G.L.;

Report: 3 p.

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OUT-AS02

Ashland County: Mellen Gabbro (T45N R2W Sec30)

LaBerge, G.L.;

Report: 3 p.

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OUT-AS03

Ashland County: Mellen Granite (T45N R2W Sec31)

LaBerge, G.L.;

Report: 3 p.

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OUT-AS04

Ashland County: White River (T46N R4W Sec6)

Ostrom, M.E.;

Report: 2 p.

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OUT-BA01

Bayfield County: South Fish Creek (T47N R5W Sec20)

Ostrom, M.E.;

Report: 2 p.

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OUT-BA02

Bayfield County: Grand View Quarry--Bad River Dolomite (T44N R5W Sec22)

LaBerge, G.L.;

1978

Report: 3 p.

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OUT-BN01

Brown County: Kittell Falls (T23N R21E Sec 32)

Ostrom, M.E.;

Report: 3 p.

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OUT-CH01

Chippewa County: Yellow River at Cadott (T29N R6W Sec31)

Myers, P.E.;

Report: 2 p.

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OUT-CH02

Chippewa County: Irvine Park (T29N R8W Sec31)

Ostrom, M.E.;

Report: 3 p.

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OUT-CH03

Chippewa County: Tilden (T29N R9W Sec7)

Ostrom, M.E.;

Report: 4 p.

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OUT-CH04

Chippewa County: Jim Falls (T30N R7W Sec30)

Myers, P.E.; Maercklein, D.A.;

Report: 7 p.

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OUT-CH05

Chippewa County: Fisher River (T31N R6W Sec4)

Myers, P.E.;

Report: 2 p.

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OUT-CH06

Chippewa County: Chippewa River at Cornell (T31N R6W Sec18)

Myers, P.E.;

Report: 4 p.

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OUT-CH07

Chippewa County: Chippewa River at Holcombe Dam (T32N R6W Sec28)

Myers, P.E.;

Report: 2 p.

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OUT-CH08

Chippewa County: Flambeau Ridge (T32N R7W Sec1)

Myers, P.E.;

Report: 2 p.

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OUT-CK01

Clark County: Neillsville Mounds (T24N R2W Sec4)

Myers, P.E.;

Report: 2 p.

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OUT-CK02

Clark County: Neillsville (T24N R2W Sec10)

Myers, P.E.;

Report: 1 p.

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OUT-CK03

Clark County: Sidney (T24N R2W Sec20)

Myers, P.E.;

Report: 2 p.

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OUT-CK04

Clark County: Cunningham Creek (T24N R2W Sec26)

Myers, P.E.;

Report: 2 p.

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OUT-CK05

Clark County: Naedler Quarry Granton (T25N R1W Sec35)

Myers, P.E.;

Report: 2 p.

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OUT-CK06

Clark County: Greenwood (T26N R3W Sec3)

Myers, P.E.;

Report: 1 p.

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OUT-CK07

Clark County: South Fork of the Eau Claire River (T26N R4W Sec1)

Myers, P.E.;

Report: 2 p.

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OUT-CK08

Clark County: Hay Creek Dam (T26N R4W Sec26)

Myers, P.E.;

Report: 2 p.

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OUT-CK09

Clark County: South Fork of the Eau Claire River at Mead Dam (T27N R3W Sec29)

Myers, P.E.;

Report: 2 p.

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OUT-CR01

Crawford County: Prairie du Chien (T7N R6W Sec29)

Ostrom, M.E.;

Report: 4 p.

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OUT-CR02

Crawford County: Marietta Valley (T8N R3W Sec10)

Ostrom, M.E.;

Report: 3 p.

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OUT-CR03

Crawford County: Easter Rock (T8N R3W Sec21)

Ostrom, M.E.;

Report: 7 p.

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OUT-DG01

Dodge County: Neda (T11N R16E Sec1)

LaBerge, G.L.;

Report: 5 p.

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OUT-DN01

Dane County: Mt. Vernon (T5N R7E Sec3)

Ostrom, M.E.;

Report: 3 p.

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OUT-DN02

Dane County: New Glarus North (T5N R8E Sec36)

Ostrom, M.E.;

Report: 4 p.

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OUT-DN03

Dane County: Cross Plains West (T7N R7E Sec4)

Odom, I.E.;

Report: 3 p.

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OUT-DN04

Dane County: Cross Plains East (T7N R7E Sec11)

Odom, I.E.;

Report: 3 p.

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OUT-DN05

Dane County: Madison--Hoyt Park (T7N R9E Sec20)

Odom, I.E.;

Report: 4 p.

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OUT-DN06

Dane County: Madison--Penn Park (T7N R9E Sec35)

Odom, I.E.;

Report: 3 p.

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OUT-DN07

Dane County: Mazomanie Bluff (Schoolhouse) (T8N R6E Sec16A)

Ostrom, M.E.;

Report: 5 p.

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OUT-DN08

Dane County: Mazomanie Bluff (Schoolhouse) (T8N R6E Sec16B)

Odom, I.E.;

Report: 4 p.

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OUT-DN09

Dane County: Black Earth (T8N R6E Sec23)

Ostrom, M.E.;

Report: 10 p.

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OUT-DN10

Dane County: Madison--Mendota Station (T8N R9E Sec26)

Odom, I.E.;

Report: 3 p.

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OUT-DN11

Dane County: Madison--Howard Johnson East (T8N R10E Sec27)

Odom, I.E.;

Report: 4 p.

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OUT-DS01

Douglas County: St. Croix River Overlook (T44N R12W Sec36)

Mickelson, D.M.;

Report: 1 p.

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OUT-DS02

Douglas County: Amnicon Falls State Park (T48N R12W Sec29)

LaBerge, G.L.;

Report: 3 p.

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OUT-EC01

Eau Claire County: North Fork of the Eau Claire River at Knight Pool (T26N R5W Sec10)

Myers, P.E.;

Report: 2 p.

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OUT-EC02

Eau Claire County: Eau Claire River at Confluence of North and South Forks (T26N R5W Sec29)

Myers, P.E.;

Report: 2 p.

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OUT-EC03

Eau Claire County: Rest Haven Gardens Town Road (T26N R9W Sec2)

Ostrom, M.E.;

Report: 5 p.

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OUT-EC04

Eau Claire County: Eau Claire River at Big Falls (T27N R8W Sec13)

Cummings, M.L.; Myers, P.E.;

Report: 10 p.

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OUT-EC05

Eau Claire County: Eau Claire River at Little Falls (T27N R8W Sec19)

Myers, P.E.;

Report: 6 p.

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OUT-EC06

Eau Claire County: Mt. Simon (T27N R9W Sec8)

Ostrom, M.E.;

Report: 4 p.

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OUT-EC07

Eau Claire County: Mt. Simon (T27N R9W Sec8)

Ostrom, M.E.;

Report: 4 p.

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OUT-FL01

Fond du Lac County: Oakfield (T14N R16E Sec23)

LaBerge, G.L.;

Report: 3 p.

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OUT-FL02

Fond du Lac County: Panetti Stone Quarry, Hamilton (T14N R17E Sec10)

LaBerge, G.L.;

Report: 4 p.

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OUT-FL03

Fond du Lac County: Dundee Mountain (T14N R19E Sec25)

Mickelson, D.M.;

Report: 1 p.

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OUT-GL01

Green Lake County: Utley Rhyolite (T14N R13E Sec36)

LaBerge, G.L.;

Report: 5 p.

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OUT-GR01

Grant County: Potosi Hill (T2N R2W Sec7)

Ostrom, M.E.;

Report: 4 p.

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OUT-GR02

Grant County: Hoadley Hill (T2N R2W Sec12)

Ostrom, M.E.;

Report: 4 p.

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OUT-GR03

Grant County: St. John Mine (Snake Cave) (T3N R2E Sec34)

Mudrey, M.G., Jr.;

Report: 3 p.

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OUT-GR04

Grant County: Pigeon Creek (T4N R3W Sec19)

Ostrom, M.E.;

Report: 2 p.

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OUT-GR05

Grant County: Bridgeport West (T6N R6W Sec22)

Ostrom, M.E.;

Report: 5 p.

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OUT-GR06

Grant County: Wyalusing (T6N R6W Sec31)

Ostrom, M.E.;

Report: 5 p.

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OUT-GR08

Grant County: Potosi Hill (T2N R2W Sec7)

Ostrom, M.E.;

Report: 4 p.

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OUT-GR09

Grant County: Hoadley Hill (T2N R2W Sec12)

Ostrom, M.E.;

Report: 4 p.

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OUT-IR01

Iron County: Bear River (Powell Kyanite)(T42N R4E Sec28A)

LaBerge, G.L.;

Report: 2 p.

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OUT-IR02

Iron County: Copper Falls State Park (T45N R2E Sec17)

LaBerge, G.L.;

Report: 2 p.

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OUT-IR03

Iron County: Oma Township (T45N R2E Sec18)

LaBerge, G.L.;

Report: 2 p.

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OUT-IR04

Iron County: Potato River (T46N R1W Sec18)

Ostrom, M.E.;

Report: 3 p.

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OUT-IR05

Iron County: Hurley Overpass (T46N R2E Sec14A)

LaBerge, G.L.;

Report: 3 p.

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OUT-IR06

Iron County: Montreal Mine Dump (T46N R2E Sec33)

LaBerge, G.L.;

Report: 2 p.

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OUT-IR07

Iron County: Gile Flowage (T46N R2E Sec34)

LaBerge, G.L.;

Report: 2 p.

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OUT-IR08

Iron County: Montreal River (T47N R1E Sec7)

Ostrom, M.E.;

Report: 4 p.

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OUT-IR09

Iron County: Pence--Basal Palms Formation (T46N R2E Sec32)

LaBerge, G.L.;

1978

Report: 3 p.

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OUT-IW01

Iowa County: Blue Mounds (T6N R5E Sec1)

Ostrom, M.E.;

Report: 7 p.

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OUT-IW02

Iowa County: Lone Rock South (T8N R2E Sec13A)

Ostrom, M.E.;

Report: 3 p.

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OUT-IW03

Iowa County: Lone Rock South (T8N R2E Sec13B)

Odom, I.E.;

Report: 4 p.

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OUT-JA01

Jackson County: Jackson County Iron Mine (T21N R3W Sec15)

Jones, D.G.;

Report: 6 p.

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OUT-JA02

Jackson County: Arbutus Dam (T22N R3W Sec3)

Maass, R.S.; Brown, B.A.;

Report: 2 p.

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OUT-KW01

Kewaunee County: Two Creeks North (T22N R24E Sec35)

Mickelson, D.M.;

Report: 2 p.

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OUT-LF01

Lafayette County: Dill (T1N R5E Sec12)

Ostrom, M.E.;

Report: 2 p.

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OUT-LF02

Lafayette County: Belmont Mound (T3N R3E Sec3)

Ostrom, M.E.;

Report: 2 p.

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OUT-ML01

Milwaukee County: St. Francis Power Plant Site (T6N R22E Sec23)

Mickelson, D.M.;

Report: 2 p.

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OUT-MN01

Manitowoc County: Duveneck (T18N R23E Sec24)

Mickelson, D.M.;

Report: 2 p.

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OUT-MN02

Manitowoc County: Valders Quarry (T19N R22E Sec32)

Mickelson, D.M.;

Report: 2 p.

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OUT-MN03

Manitowoc County: Manitowoc North (T19N R24E Sec16)

Mickelson, D.M.;

Report: 2 p.

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OUT-MN04

Manitowoc County: Point Beach State Forest (T20N R25E Sec9)

Mickelson, D.M.;

Report: 2 p.

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OUT-MN05

Manitowoc County: Two Rivers (T20N R24E Sec31)

Mickelson, D.M.;

Report: 2 p.

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OUT-MR01

Marathon County: Marathon City (T28N R6E Sec18)

Myers, P.E.;

Report: 1 p.

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OUT-MR02

Marathon County: Rib Mountain Southwest (T28N R7E Sec19)

Myers, P.E.;

Report: 2 p.

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OUT-MR03

Marathon County: Athens County Park (T29N R4E Sec6)

LaBerge, G.L.;

Report: 3 p.

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OUT-MR04

Marathon County: Rib River at Emory School (T29N R5E Sec30)

Myers, P.E.;

Report: 2 p.

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OUT-MR05

Marathon County: Artus Creek (T29N 6E Sec29)

LaBerge, G.L.;

Report: 3 p.

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OUT-MR06

Marathon County: Wausau Employers Mutual Insurance Co. (T29N R7E Sec27)

Myers, P.E.;

Report: 4 p.

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OUT-MR07

Marathon County: Highland Grove School (T29N R8E Sec29)

LaBerge, G.L.;

Report: 4 p.

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OUT-MR08

Marathon County: Brokaw East (T30N R7E Sec34)

LaBerge, G.L.;

Report: 2 p.

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OUT-ON01

Oneida County: Beck Tower Wayside Park--Jennings Granite (T35N R11E Sec6)

Mudrey, M.G., Jr.;

1978

Report: 2 p.

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OUT-ON02

Oneida County: Monico West--Pyritic Tuff (T36N R10E Sec26)

Mudrey, M.G., Jr.;

1978

Report: 2 p.

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OUT-ON03

Oneida County: Witte Farm--Coarse Felsic Agglomerate (T36N R11E Sec21)

Mudrey, M.G., Jr.;

1979

Report: 2 p.

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OUT-ON04

Oneida County: Monico East--Mafic Pillow Basalt (T36N R11E Sec29)

Mudrey, M.G., Jr.;

1978

Report: 2 p.

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OUT-ON05

Oneida County: Monico Gravel Pits--Andesite Pillow Lava (T36N R11E Sec30)

Mudrey, M.G., Jr.;

1978

Report: 2 p.

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OUT-PR01

Price County: Jump River at Big Falls County Park (T34N R2W Sec20)

LaBerge, G.L.;

Report: 3 p.

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OUT-SB01

Sheboygan County: Garriety Hill (T14N R20E Sec8)

Mickelson, D.M.;

Report: 2 p.

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OUT-SB02

Sheboygan County: Parnell Lookout Tower (T14N R20E Sec10A)

Mickelson, D.M.;

Report: 2 p.

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OUT-SB03

Sheboygan County: Butler Lake (T14N R20E Sec10B)

Mickelson, D.M.;

Report: 1 p.

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OUT-SB04

Sheboygan County: Butler Lake North (T14N R20E Sec20)

Mickelson, D.M.;

Report: 2 p.

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OUT-SB05

Sheboygan County: Mink Creek (T14N R20E Sec27)

Mickelson, D.M.;

Report: 1 p.

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OUT-SB06

Sheboygan County: Greenbush Ski Run (T15N R20E Sec22)

Mickelson, D.M.;

Report: 1 p.

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OUT-SB07

Sheboygan County: Greenbush Kettle (T15N R20E Sec27)

Mickelson, D.M.;

Report: 1 p.

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OUT-SK01

Sauk County: Spring Green (T9N R4E Sec30)

Odom, I.E.;

Report: 4 p.

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OUT-SK02

Sauk County: Sauk Prairie (T10N R6E Sec23)

Attig, J.W.; Clayton, Lee;

Report: 2 p.

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OUT-SK03

Sauk County: La Rue Quarry (T11N R5E Sec22)

Brown, B.A.; Ostrom, M.E.;

Report: 5 p.

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OUT-SK04

Sauk County: East Bluff of Devil's Lake Gorge (T11N R6E Sec24)

Attig, J.W.; Clayton, Lee;

Report: 5 p.

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OUT-SK05

Sauk County: Steinke Basin of Devil's Lake State Park (T11N R7E Sec18)

Attig, J.W.; Clayton, Lee;

Report: 3 p.

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OUT-SK06

Sauk County: Parfreys Glen (T11N R7E Sec22)

Mudrey, M.G., Jr.; Nichols, S.A.;

Report: 5 p.

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OUT-SK07

Sauk County: Upper Narrows & Van Hise Rock (T12N R5E Sec28)

Brown, B.A.; Ostrom, M.E.;

Report: 5 p.

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OUT-SK08

Sauk County: Skillett Creek (T11N R6E Sec15)

Brown, B.A.;

Report: 2 p.

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OUT-SW01

Sawyer County: Arpin Dam in Radisson--Late Porphyritic Granite (T38N R7W Sec23)

Mudrey, M.G., Jr.;

1978

Report: 2 p.

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OUT-TR01

Trempealeau County: Galesville (T19N R8W Sec33)

Ostrom, M.E.;

Report: 5 p.

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OUT-TR02

Trempealeau County: Decorah Peak (T19N R8W Sec34)

Ostrom, M.E.;

Report: 3 p.

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OUT-TR03

Trempealeau County: Arcadia South (T20N R9W Sec9)

Ostrom, M.E.;

Report: 5 p.

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OUT-TR04

Trempealeau County: Whitehall (T22N R8W Sec12)

Ostrom, M.E.;

Report: 5 p.

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OUT-TR05

Trempealeau County: Bruce Valley Quarry (T23N R8W Sec9)

Ostrom, M.E.;

Report: 3 p.

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OUT-TR06

Trempealeau County: Strum North (T24N R8W Sec18)

Ostrom, M.E.;

Report: 3 p.

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OUT-TR07

Trempealeau County: Arcadia South (T20N R9W Sec9)

Ostrom, M.E.;

Report: 4 p.

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OUT-TR08

Trempealeau County: Whitehall (T22N R8W Sec12)

Ostrom, M.E.;

Report: 4 p.

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OUT-TR09

Trempealeau County: Strum North (T24N R8W Sec18)

Ostrom, M.E.;

Report: 2 p.

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OUT-VE01

Vernon County: Reads Creek (T12N R4W Sec27)

Ostrom, M.E.;

Report: 7 p.

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OUT-VE02

Vernon County: Coon Valley West (T14N R6W Sec11)

Ostrom, M.E.;

Report: 3 p.

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OUT-WK01

Waukesha County: Valley Sand & Gravel Pit (T6N R20E Sec5)

Mickelson, D.M.;

Report: 2 p.

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OUT-WK02

Waukesha County: Waukesha Lime & Stone Co. Pit (T7N R19E Sec26)

Mickelson, D.M.;

Report: 2 p.

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OUT-X-IOWA01

Allamakee County, Iowa: Mineral Creek (T99N R6W Sec23)

Ostrom, M.E.;

Report: 4 p.

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OUT-X-IOWA02

Allamakee County, Iowa: Waukon Junction (T96N R3W Sec16)

Ostrom, M.E.;

Report: 3 p.

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OUT-X-MINNESOTA01

Houston County, Minnesota: Wilmington (T101N R6W Sec11)

Ostrom, M.E.;

Report: 4 p.

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