Unit Name: Atikameg Formation
Unit Type: Lithostratigraphic
Rank: Formation
Status: Undefined
Usage: Currently in use
Age Interval: Silurian (443.7 - 416 ma)
Province/Territory: Manitoba; Saskatchewan

Originator: Stearn, 1956b; Lang, A H., 1965: Geology, Carrot River, Manitoba-Saskatchewan; Geological Survey of Canada, "A" Series Map 1164A.

Lithology:
Dolomite, pale yellowish brown, weathering pale orange to dark yellowish orange and brown with pronounced vuggy porosity, massive to thick-bedded, probably biostromal, but sparsely fossiliferous. Relatively coarsely crystalline, subsaccharoidal; some very fine-grained, compact interbeds (Stearn, 1956).

History:
Used by Lang (1965), and in Geological Map of Manitoba (Bannatyne et al., 2000) in place of Atikameg Dolomite.

Other Citations:
Stearn, 1956; Lang, A H., 1965: Geology, Carrot River, Manitoba-Saskatchewan; Geological Survey of Canada, "A" Series Map 1164A.

References:
Bannatyne, B.B., Mcabe, H.R., McRitchie, W.D., Norris, W., Scoates, R.F.J, and Weber, W. 2000: Geological Map of Manitoba, digital version of Manitoba Geological Services, 1979, Geological Map of Manitoba, Map 79-2.
Lang, A H., 1965: Geology, Carrot River, Manitoba-Saskatchewan; Geological Survey of Canada, "A" Series Map 1164A.
Stearn, C.W., 1956b. Stratigraphy and palaeontology of the Interlake Group and Stonewall Formation of southern Manitoba; Geological Survey of Canada, Memoir 281.

Contributor: P.H. Davenport
Entry Reviewed: No
Name Set: Lithostratigraphic Lexicon
LastChange: 06 Mar 2009