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| After teaching the kids about the component minerals of granite, I found this great piece decomposing granite with very large phenocrysts of biotite, feldspar and quartz . | |
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| Camera: OLYMPUS IMAGING CORP. E-300 | Date: 10/14/07 4:44 PM | Resolution: 3264 x 2448 | ISO: 100 | Exp. Time: 1/160s | Aperture: 7.1 | Focal Length: 30.0mm | |
| Total images: 175 | Last update: 10/21/07 6:29 PM | Generated by JAlbum 7.2 & Chameleon | Help | |