Olivine-based slag from a HCFeMn pilot
Sophie Graul
Tallinn University of Technology, Tallinn, Estonia and France
During a pyrometallurgy pilot, unusual slags were produced due to a composition that was too rich in calcium and silicon and the excessive presence of fluorine - due to the use of fluorite to fluidify the system.
This led to the formation of a viscous slag rich in massive olivines, stable at high temperatures (above 1300°C). The photo shows marked zonation between the magnesium-rich core (purple) and the manganese-rich rim (orange). Numerous Mn-sulphide dendrites can also be seen (yellow), as well as spinels (black).
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Tags
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Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported (CC BY-NC-ND 3.0) (opens in a new window)Credit: Sophie Graul (distributed via imaggeo.egu.eu)
Properties
Type
Image
Format
PNG
Size
43.7 MB
Width
3508 px
Height
2462 px
Aspect
1754:1231
Brand
FEI Quanta 650F
Software
Photoshop
Taken
2020
Coordinates
48.7676, 2.0005
Tint
Moderate violet
Submitted
19 March 2024
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