File:Chlorellopsis colonata reef img 00224.jpg
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| Description |
English: W.H. Bradley 1929; plate 38-A; Transverse section of the pitted Chlorellopsis reef shown in Bradley 205; showing the cores of sand filled ringed pits and the conoidal excrescences at their lower ends. This also shows the marked thickening of the algal layers between pit cores, natural size.
Wasatchian, Early Eocene; Lake Unita, Green River Formation; NE 1/4 SE 1/4 sec. 30, T. 4 N., R. 96 W. Moffat County, Colorado, USA Department of Paleobotany, National Museum of Natural History, Smithsonian Institution, Washington, District of Columbia; collected August 1, 1925 |
| Date | |
| Source | USGS Denver Library Photographic Collection |
| Author | Wilmot Hyde Bradley, 1925 |
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 20:15, 1 November 2024 | | 8,830 × 3,288 (8.02 MB) | Kevmin (talk | contribs) | Uploaded a work by Wilmot Hyde Bradley, 1925 from [https://www.sciencebase.gov/catalog/items?q=Chlorellopsis&= USGS Denver Library Photographic Collection] with UploadWizard |
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