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| Just so you know... the exposed black schist is 1.7 BILLION years old, and the pegmatites intruded them 1.4 Billion years ago. These rocks were essentially at the bottom of a huge mountain range, maybe 5 miles beneath the crust. This is what the Himalayas should look like if we could explore that far down today. |
| Date: 6/23/08 10:03 AM | ISO: 200 | Exp. Time: 1/50s | Aperture: 14.0 |
| Total images: 30 | Help |