Title | Sandstone from near Buffalo Gap, South Dakota, USA |
Description | Most of the grains in normal sandstones are quartz, but they can have different appearances depending on the cement that holds the quartz grains together. Various different cements are possible. This sandstone has hematite (iron oxide) as its primary cement, so it has a red and yellow color. This sample is 8.5 cm in longest dimension. |
Location | USA ▹ South Dakota. Near Buffalo Gap. |
Photographer | Nessa Eull. 2001-05-21. |
Collection | Ward’s University Rock Collection #142. |
Key words | sandstone, South Dakota, hematite |
Tech details | 1.19 MB. Hand specimen. Fujifilm FinePix S1Pro digital. |
GeoDIL number | 474 |
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