Lady Knox Geyser

Lady Knox Geyser

. [ [http://www.hickerphoto.com/lady-knox-new-zealand-geyser-16815-pictures.htm Lady Knox New Zealand Geyser ] ] The visible spout is made of rocks placed around the base of the spring to enhance the eruption; over the years silica from the eruptions has built up to give a white cone-shaped appearance.

Because the geyser was discovered early in the 20th century, it has no Māori name, unlike almost every other thermal feature in the region.

Eruption

The geyser has two water chambers, one lower, hot one and one upper, cold one. The upper chamber cools due to a larger opening to the outside. The lower one heats up due to the volcanic activity below. When soap is thrown into the upper water chamber, the lowered surface tension of the water allows it to mix with the hotter water below, causing the eruption.

Discovery

In 1901 the first open prison in New Zealand was established at Waiotapu, its object to accommodate some of the better behaved prisoners from around the jails of the Rotorua Lakes District.

It was a gang of those prisoners who first discovered the clearing in which the geyser is situated and that the spring could be made to erupt by adding soap, discovered when they first used the hot water to wash their clothes. [http://www.geyserland.co.nz/ladyknox.htm Waiotapu Thermal Wonderland, New Zealands most colourful geothermal area ] ]

References


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