Stratigraphy, petrology, and provenance of the Albian Blackleaf Formation and the Cenomanian to Turonian lower part of the Frontier Formation in part of Beaverhead and Madison Counties, Montana
Mountain Geologist
By: T. S. Dyman, W. J. Perry Jr., and D. J. Nichols
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Abstract
The units constitute a dominantly clastic sequence of sandstone, conglomerate, mudstone, and shale deposited in (west) to shallow marine (east) environments. Petrologic and paleocurrent data support an interpretation that Blackleaf and lower Frontier debris was derived from different source areas. -from Authors
Suggested Citation
Dyman, T.S., Perry, W.J., and Nichols, D.J., 1988, Stratigraphy, petrology, and provenance of the Albian Blackleaf Formation and the Cenomanian to Turonian lower part of the Frontier Formation in part of Beaverhead and Madison Counties, Montana: Mountain Geologist, v. 25, no. 3, p. 113-128.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Stratigraphy, petrology, and provenance of the Albian Blackleaf Formation and the Cenomanian to Turonian lower part of the Frontier Formation in part of Beaverhead and Madison Counties, Montana |
| Series title | Mountain Geologist |
| Volume | 25 |
| Issue | 3 |
| Year Published | 1988 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Mountain Geologist |
| First page | 113 |
| Last page | 128 |