Liberty Cap
by Jon Burch Photography
Title
Liberty Cap
Artist
Jon Burch Photography
Medium
Photograph - Digital Capture And Enhancement
Description
Liberty Cap is a travertine deposit near Mammoth Hot Springs in northern Yellowstone National Park, Wyoming. The viewer walkway is just north of the springs themselves.
Mammoth Hot Springs is a large complex of hot springs on a hill of travertine in Yellowstone National Park adjacent to Fort Yellowstone and the Mammoth Hot Springs Historic District. It was created over thousands of years as hot water from the spring cooled and deposited calcium carbonate at the rate of over two tons each day.
Because of the huge amount of geothermal vents, travertine flourishes. Although these springs lie outside the caldera boundary, their energy has been attributed to the same magmatic system that fuels other Yellowstone geothermal areas.
The hot water that feeds Mammoth comes from Norris Geyser Basin after traveling underground via a fault line that runs through limestone and roughly parallel to the Norris-to-Mammoth road. The limestone from rock formations along the fault is the source of the calcium carbonate. Shallow circulation along this corridor allows the Norris superheated water to slightly cool to about 170 degrees Fahrenheit before surfacing at Mammoth. Algae living in the warm pools have tinted the travertine shades of brown, orange, red, and green.
Thermal activity here is extensive both over time and distance. The thermal flows show much variability with some variations taking place over periods ranging from decades to days. Terrace Mountain at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The most famous feature at the springs is the Minerva Terrace, a series of travertine terraces. The terraces have been deposited by the spring over many years but, due to minor earthquake activity, the spring vent has shifted, rendering the terraces dry.
The Mammoth Terraces extend all the way from the hillside, across the Parade Ground, and down to Boiling River. The Mammoth Hotel, as well as all of Fort Yellowstone, is built upon an old terrace formation known as Hotel Terrace. There was some concern when construction began in 1891 on the fort site that the hollow ground would not support the weight of the buildings. Several large sink holes can be seen out on the Parade Ground. This area has been thermally active for several thousand years.
Image copyright 2016 Jon Burch Photography all rights reserved.
Uploaded
October 23rd, 2015
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Viewed 282 Times - Last Visitor from New York, NY on 04/16/2024 at 2:09 PM
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