Questions for fans
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Is there a reason why some blotches and fans appear red while others appear black?
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by Kitharode moderator
It's possible that the underlying dust which is brought to the surface is actually redder in some areas and blacker in others. Not unlike the differences in soil colour that we see in different areas on Earth, although obviously the soil on Mars is different than that on Earth.
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Oh i see thanks but could it be a different composition of the compounds in the soil which leads to the differences in colour? E.g greater concentration of iron ore which leads to the red colour?
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