| Title | Pink quartzite from Dell Rapids | 
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| Description | This sample of the Precambrian Sioux Quartzite comes from Dell Rapids (near Sioux Falls), South Dakota.  Fine grained quartz, stained red by hematite, makes up 99.9% of this rock.  The specimen is 8.5 cm across. | 
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| Chronostratigraphy | Precambrian | 
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| Lithostratigraphy | Sioux Quartzite | 
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| Location | USA ▹ South Dakota. Near Dell Rapids. | 
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| Photographer | Nessa Eull. 2001-04-26. | 
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| Collection | Ward’s University Rock Collection #181. | 
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| Key words | quartzite, South Dakota | 
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| Tech details | 871 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera, 60mm Nikon AF micro lens. | 
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| GeoDIL number | 419 | 
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