Weird News: Mud Pools of New Zealand


The picture itself speaks a thousand words, these whirlpool like geysers are called as mud pools and are said to be found in Rotorua.
Rotorua is a city on the southern shores of the lake of the same name, in the Bay of Plenty region of the North Island of New Zealand. 
The city is known for its geothermal activity, with a number of geysers, notably the Pohutu Geyser at Whakarewarewa, and boiling mud pools (pictured above) located in the city. This thermal activity owes itself to the Rotorua caldera on which the city lies. 
Rotorua is also a top adventure destination and is New Zealand’s Maori cultural heartland. Rotorua city is renowned for its unique “rotten eggs” aroma, which is caused by the geothermal activity releasing sulphur compounds into the atmosphere. 
If you are ever visiting New Zealand
– this is a city you must see. It was once home to the famed Pink and White Terraces and you can visit thermal wonderlands with sights that are truly astounding.

What are Springs?

A place where water naturally flows to the surface is called a Spring. Springs differ between themselves by the conditions of natural underground water discharge depending on such factors as the nature of the water- bearing rocks (porous or fractured), the exposure of the river or gulley slope, the mode of occurrence of the rocks etc. Sometimes, springs emerge at the sea floor and are called ‘Submarine Springs’. 

Springs fed by ground waters are called Gravity Springs, and htose fed by pressure waters are called Ascension Springs. Springs fed by vadose water are subjected to the greatest fluctuations, to the point of complete disappearance at certain times. Most constant are gravity springs fed by ground waters, even though their flow and properties also vary depending upon seasonal changes in the hydrometeorological conditions.
Ascension springs are the natural places of discharge of pressure waters. Typically they are distinguished by more or less constant regime, i.e. head of pressure, flow, chemical composition, temperature etc. they are usually confined to the discharge areas of artesian basins and are often associated with tectonic fault zones.
A springthat breaks out at or near the foot of an escarpment, especially where chalks lie on clay or limestone and sand stone lie on clay.
Vauclusian Spring- the resurgence of reappearance of an underground stream, called after the Fontaine de vaucluse in the lower Rhone valley. It occurs commonly in the limestone country, where water wears subterranean ramifications, finally issuing from the limestone at its base.