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A place to explore the natural setting (geology, flora & fauna), people, constructed infrastructure and historical events that play and have played a part in shaping the Sierra Nevada as we know it today.
3 posts • Page 1 of 1
- Topix Regular
- Posts: 262
- Joined: Thu Jul 02, 2015 10:04 am
- Experience: Level 4 Explorer
- Location: Los Angeles
Over the years I have noticed a thin green vein of rock, usually only about 1/8", in many places in the Sierra, usually at higher altitudes. Sometimes you see the vein over a few feet, but never as long as the long and wider white ones. Oftentimes the rock shears off to expose it as a green face, and it can be picked off fairly easily. It is distinctly different from all the other geological phenomena by how thin it is, by its color, how it seems to be less strong than the surrounding rock, and how it looks more "organic". What could it be? Some brief period where everything green died? I attach some photos.
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