File:Blackhawk-Mancos.jpg
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Summary
| Description |
English: Schematic showing the relationship of the Blackhawk Formation to the Mancos Shale. The regression of the Cretaceous Seaway (represented by the Mancos Shale) was irregular, with several minor transgressions of the sea over coastal lands. This created thin wedges of coastal deposits that have been named as members (abbreviated as Mbr,). These members containing economically important coal seams, such as the Sunnyside Coal in the Sunnyside Member. Adapted from Chan et al. 1991. |
| Date | |
| Source | Own work |
| Author | Carpenter, Kenneth |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:36, 31 March 2021 | | 1,601 × 329 (231 KB) | Carpenter, Kenneth | Uploaded own work with UploadWizard |
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