Eastern Mojave Vegetation
Tom Schweich
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Eastern Mojave Vegetation
| Power Line Road #2 (Middle), San Bernardino County, California |
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Tom Schweich |
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One of three power line roads that traverse diagonally through San Bernardino County. | ||||||||||||||||||||||||||||||||||||||
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Junction: California Highway 247 | ||||||||||||||||||||||||||||||||||||||
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Junction: Ord Mountain Road | ||||||||||||||||||||||||||||||||||||||
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Junction: Unknown Road | ||||||||||||||||||||||||||||||||||||||
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Junction: Jeep Trail, to south. | ||||||||||||||||||||||||||||||||||||||
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Junction: Camp Rock Road | ||||||||||||||||||||||||||||||||||||||
| End of the power line road at US I-40. You cannot continue northeast of here. | |||||||||||||||||||||||||||||||||||||||
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Junction: Minneola Road | ||||||||||||||||||||||||||||||||||||||
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Junction: Sunrise Canyon Road, west into Minneola with access to US I-15. You cannot continue southwest on the Powerline Road because of the freeway. | ||||||||||||||||||||||||||||||||||||||
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2010 Desert Symposium Field Trip Stop M-5 on the south side of the Toomey Hills. | ||||||||||||||||||||||||||||||||||||||
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Toomey HillsThe location of Toomey is roughly where the power lines cross over US Interstate 15. | ||||||||||||||||||||||||||||||||||||||
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Junction: Bragdon Road | ||||||||||||||||||||||||||||||||||||||
| Desert Symposium Field Trip Stop 2017-2-8. Dolores Lake Fault. . | |||||||||||||||||||||||||||||||||||||||
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Junction: Harvard Road
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To the west, start onto the east-sloping Mojave River fluvial plain, a transition that is marked in many places by small playas; note rolling surface with high ribs that represent inverted stream channels (formed when stream deposits with coarse clasts are eroded, forming resistant ridges that once marked the channels) of the river as we continue onto the plain.
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Junction: Military Road
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| Harvard Maze
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Junction: Alvord Mountain Road
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Sand Ridge
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Junction: Microwave Tower Road
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Powerline road cuts (545715 3884925 ) consist of Pliocene gravels near? Interfingering? with playa sediments; provenance of gravel packages; tectonic patterns (Miller).
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Desert Symposium Field Trip Stop 2017-2-6. Miocene and Pliocene sediments at the south edge of Fort Irwin. | The gray, silty playa sediments to the south have not yielded age diagnostic specimens. Farther northeast along the powerline road, the Pliocene sediments are exposed conformably below, and above, the 5.6 Ma Bicycle Lake basalt. Elsewhere, they contain a 3.4 Ma ash (Miller and Yount, 2003), suggesting that deposition of the Goldstone Gravels ranges in age from approximately 6 – 3 Ma years. Therefore, we must search for the 6 million year unconformity between the 12.6 Ma Miocene sediments and the 6 million year gravels and silty playa sediments.
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Junction: BLM Road 8344 (location approximate).
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Junction: Dunn Road
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Junction: 5J road south, into the Soda Mountains.
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Junction: 5J road south-southeast, to Field Trip Stop 2017-1-2.
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Junction: Mine Road. The mine road crosses from southeast to northwest. This road can be a preferred route, if the playa is dry.
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Junction: California Highway 127
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Junction: Halloran Springs Road, sort of, by way of cross country driving.
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Junction: Halloran Springs Road
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If you have a question or a comment you may write to me at:
tomas@schweich.com
I sometimes post interesting questions in my FAQ, but I never disclose your full name or address.
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Date and time this article was prepared: 12/9/2024 7:24:11 PM |
