A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Glauconitic sandstone |
|---|---|
| Description | This sandstone is green because of the presence of glauconite, an Fe-rich clay mineral. Although not visible here, some specimens of this sandstone contain fossils. The sample is 5.5 cm across. |
| Chronostratigraphy | Cretaceous |
| Lithostratigraphy | Navesink Greensand |
| Location | USA ▹ Wisconsin. Near Hudson. |
| Photographer | Shannon Heinle. 2001-03-22. |
| Collection | University of North Dakota Mineralogy Collection #1545. |
| Key words | glauconitic sandstone, sandstone |
| Tech details | 189 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 237 |
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