File:Chlorellopsis colonata reef img 00245.jpg

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Description
English: W.H. Bradley 1929; plate 35; Polished vertical section of a Chlorellopsis reef; showing the irregular and vaguely radial arrangement of the lobate algal colonies; also a part of the oolitic sandstone upon which it rested, the lightest-gray areas are fine grained sandstone, the black grains are oolite grains and the medium toned gray areas are fragments of silty limestone, alga reefs and mud lumps. Natural size.

Wasatchian, Early Eocene; Lake Unita, Green River Formation; SW 1/4 sec.30, T. 1 N., R. 95 W. Rio Blanco County, Colorado, USA

Department of Paleobotany, National Museum of Natural History, Smithsonian Institution, Washington, District of Columbia; collected August 11, 1924
Date
Source USGS Denver Library Photographic Collection
Author Wilmot Hyde Bradley, 1925

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Public domain
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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current20:15, 1 November 2024Thumbnail for version as of 20:15, 1 November 20247,248 × 4,535 (17.11 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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