Some like it hot... in the acidic mudpot
Chiara Arrighi
University of Florence, Florence, Italy
Acidic mudpots dot the landscape in the geothermal area of Krafla caldera in the Mývatn region (Iceland). The acidic conditions and microorganisms are responsible for this biogeochemical process. The microorganisms convert hydrogen sulfide rising from the deep volcanic rock layers into sulfuric acid, which dissolves rock into clay.
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Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0) (opens in a new window)Credit: Chiara Arrighi (distributed via imaggeo.egu.eu)
Properties
Type
Image
Format
JPG
Size
4.8 MB
Width
5092 px
Height
3394 px
Aspect
2546:1697
Brand
Nikon
Model
D5500
Exposure
66 mm f/7.1 1/800 s ISO 200
Taken
18 July 2016
Coordinates
65.6902, -16.8430
Tint
Moderate orange yellow
Submitted
19 February 2017
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