| 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 |
| Genre: | Article |
| ProdID: | 70014294 |
| Citation Author: | Dyman, T. S.; Perry, Jr, W. J.; Nichols, D. J. |
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| Citation End Page: | 128 |
| Citation Issue: | 3 |
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| Citation Language: | English |
| Citation Larger Work Title: | Mountain Geologist |
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| Citation Number Of Pages: | 16 |
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| Citation Search Results Text: | 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; 1988; Article; Journal; Mountain Geologist; Dyman, T. S.; Perry, Jr, W. J.; Nichols, D. J. |
| Citation Start Page: | 113 |
| Citation Volume: | 25 |
| Citation Year: | 1988 |
| Type: | citation/reference |
| Text: | 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; 1988; Article; Journal; Mountain Geologist; Dyman, T. S.; Perry, Jr, W. J.; Nichols, D. J. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Fri, 1 Jan 1988 00:00 -0600 |
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