| Title | Chalk |
| Description | When is a sample of the famous “chalk” from Dover, England. Chalk is a general term used for fine grained white calcite. This sample is 8 cm across. |
| Chronostratigraphy | Cretaceous |
| Location | England. Near Dover. |
| Photographer | Twyla Baker. 2001-06-11. |
| Collection | University of North Dakota Mineralogy Collection. |
| Key words | chalk, Dover |
| Tech details | 631 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 680 |
 |