Title | Garnet in phyllite from near Custer, South Dakota |
Description | This garnetiferous phyllite comes from outcrops a few miles west of Custer, in South Dakota's Black Hills. The fine-grained matrix material is mostly quartz, muscovite and feldspar. The specimen is about 8.5 cm across. |
Photographer | Shannon Heinle. 2001-04-10. |
Collection | University of North Dakota Mineralogy Collection #3143. |
Key words | garnet schist, garnet, schist, Black Hills, South Dakota |
Tech details | 1.17 MB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
GeoDIL number | 343 |
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