In-Ko-Pah Mountains Granite Boulders
| Name: | Granite Boulders |
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| Date: | 9/17/2006 |
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| Location: | In-Ko-Pah Mountains |
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Just off of Interstate 8 in the eastern San Diego County are the In-Ko-Pah
Mountains. Despite the appearance, these massive boulders were not placed here by large ugly trolls;
in fact they were not placed here by any creature at all. Sometime in the far distant past
these igneous rocks were part of a large batholith. The once buried batholith was exposed to
the surface through uplifting and erosion, a process which takes tens of millions of years. These
granite rocks and boulders are strewn throughout the In-Ko-Pah Mountains.
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