Manganese black spots in soil
Antonio Jordán
University of Seville, Sevilla, Spain
Manganese oxide causes black spots in soil. In the picture, hydrogen peroxide is used for determining the presence of manganese oxide in an aggregate of soil by effervescence.
Categories
Reuse
Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0) (opens in a new window)Credit: Antonio Jordán (distributed via imaggeo.egu.eu)
Properties
Type
Image
Format
JPG
Size
1.9 MB
Aspect
2:3
Width
1664 px
Height
2496 px
Brand
Canon
Model
EOS 350D
Exposure
18 mm f/4 1/500 s ISO 160
Coordinates
39.3664, 3.1279
Tint
Brownish black
Submitted
17 September 2013
Taken
4 September 2013
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