A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Red mudstone showing ripple marks on its surface |
|---|---|
| Description | This red mudstone, from an unknown location, shows obvious rippple marks on its surface. It is about 20 cm in longest dimension. It is composed primarily of silt-sized quartz grains. |
| Photographer | Dexter Perkins. 2000-11-29. |
| Collection | University of North Dakota Mineralogy Collection. |
| Key words | mudstone, ripple marks |
| Tech details | 115 KB. Hand specimen. Provia E6 film, Canon A1 with macro lens, 1350dpi. |
| GeoDIL number | 9 |
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