Eastern Mojave Vegetation
Tom Schweich
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Eastern Mojave Vegetation
| Grand Loop, Yellowstone National Park, Wyoming |
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Tom Schweich |
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Yellowstone Loop | ||||
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Mammoth Hot SpringsJunction: North Entrance Road | ||||
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Tower-Roosevelt JunctionJunction: Northeast Entrance Road | ||||
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Canyon VillageJunction:
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Junction: Artist Point Drive | ||||
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Sulphur Caldron.
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Literature Cited:
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Locations: Mud Volcano. |
Mud Volcano
Mud Volcano Area, also known for Black Dragon's Caldron, Sour Lake, Mud Caldron, Dragon's Mouth Spring, and Sulfur Caldron, is very acidic. Iron sulfide is responsible for the dark-gray, blacker brown-colored water, while hydrogen sulfide produces the "rotten egg" smell common to the Mud Volcano area. Evans, et al. (2010) analysis of individual growth rings in a tree core from the Mud Volcano thermal area within the caldera links a sharp ~25% drop in 14C to a local seismic swarm in 1978. The implied fivefold increase in CO2 emissions clearly associates swarm seismicity with upflow of magma-derived fluid and shows that pulses of magmatic CO2 can rapidly traverse the 5-km thick brittle zone, even through Yellowstone’s enormous hydrothermal reservoir. The 1978 event predates annual deformation surveys, but recognized connections between subsequent seismic swarms and changes in deformation suggest that CO2 might drive both processes. | ||||
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Fishing BridgeJunction: East Entrance Road, east to US Highway 20, Cody, Thermopolis, Caspar, …, and Boston. | ||||
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West ThumbJunction: South Entrance Road, to US Highway 89, south toward Jackson, Wyoming. | ||||
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Old Faithful Geyser.
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Old Faithful
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Locations: Upper Geyser Basin. |
Upper Geyser BasinAbout 3 miles long and 1 1/2 miles wide, Upper Geyser Basin stretches roughly from Sapphire Pool on the north to Old Faithful on the south.In this basin, Hurwitz, et al. (2016) tested dissolved gasses in a research well and demonstrated that CO2 mainly derived from magme and N2 from air-saturated meteoric water reduce the near-surface saturation temperture and are likely triggers of hydrothermal eruptions. | ||||
| Fairy Falls Trailhead. Park here and walk for a hillside view of Grand Prismatic Spring. | |||||
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Grand Prismatic Spring.
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Fountain Paint Pot.
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Madison JunctionJunction: West Entrance Road, to US Highways 20, 191, and 287. | ||||
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Gibbon Falls.
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Gibbon Falls | ||||
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Artist Paintpot.
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Artist Paintpot | ||||
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Locations: Norris Geyser Basin. |
Norris JunctionJunction:
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Roaring Mountain.
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Roaring Mountain | ||||
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Apollinaris Spring.
Willow Park.
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Mammoth Hot Springs.
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Mammoth Hot SpringsJunction: North Entrance Road, for US Highway 89, north through Gardiner to the Canadian border. | ||||
| 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. |
Date and time this article was prepared: 11/3/2024 5:35:42 PM |
