File:South African Geology - Schwarz - 1912 Fig 11.png
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Summary
| Description |
English: Figure from South African Geology - Schwarz - 1912 (Page 66)
Fig. 11. Spherical Limestone Septaria in Dwyka Shales. The balls have broken across level with the surface, and the interior has been removed by atmospheric agencies quicker than the harder rind. The cracks produced by the drying of the concretion, now filled with white calcite, are shown |
| Date | |
| Source | File:South African Geology - Schwarz - 1912.djvu |
| Author | Schwarz, Ernest Hubert Lewis, 1873-1928 |
Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 13:35, 22 May 2016 | | 413 × 206 (41 KB) | Tobias1984 | User created page with UploadWizard |
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