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| | Enchanted Rock State Natural Area, Texas |
 | | The rock is a batholith, a protrusion of volcanic origin, and part of an underground mass of 90 square miles, one of the largest such features in the US. |
 | | Enchanted Rock Summit: There are plants and boulders over the lower slopes of the rock but summit is just bare granite, with occasional fissures and hollows. |
 | | To the north of the summit lies Enchanted Rock Fissure, a deep, narrow, cave-like ravine with sheer drops and tight passages. |
| www.americansouthwest.net /texas/enchanted_rock/state_natural_area.html (510 words) |
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