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Hike Narrows Earth Trail, Borrego Springs, California
The Narrows Earth Trailhead is just off Route 78 next to “Powder Dump Wash”. The concrete and boulder near trailhead was built by the road crews back in the 1930’s. The crews named this area “Powder Dump Wash”. It was part of a storage house where they kept explosives.
Along the trail you may have seen darker colored rocks. These darker rocks were formed over thousands of years when this area was covered by an ocean. These sedimentary deposits have been moved aside by the harder granitic rock that’s pushing up through it. It’s called tonolite and is a mixture of feldspar, the “salt” in the granite, and mica, the “pepper.”
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