Title | Micaceous sandstone, Portland, Connecticut |
Description | This sample of sandstone contains abundant mica flakes that give it a sparkly appearance. The micas include muscovite and biotite, some of which has altered to chlorite. The red color comes from hematite cement between grains. |
Location | USA ▹ Connecticut. Near Portland. |
Photographer | Darla Sondrol. 2001-05-16. |
Collection | Ward’s University Rock Collection #140. |
Key words | sandstone, Connecticut, mica |
Tech details | 1.46 MB. Hand specimen. Fujifilm FinePix S1Pro digital camera, 60mm Nikon AF micro lens. |
GeoDIL number | 468 |
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