Mn is soluble in iron and so are solid solubility of their oxides. Si comes from clay and gangue, and also rocks that surrounds the iron ore. what about geological association of P and S with Fe? perhaps of Cr, Ni and Cu (that are now found in steel in higher quantities for scrap recycling) are these three naturally associated with iron ore?
Geological history from stellar nucleosynthesis and planetary accretion and differentiation is asked.
From Geochemistry perspective, the answer is YES. These elements are naturally associated with Iron ore. Here is the explanation:
. Iron ore is often associated with weathering of ultramafic (*) rocks which are very rich in iron, magnesium, manganese, chrome, nickel. (* Rich in Fe, Mg, Ca..., and poor in Al, Si, and K).
. Plomb and Sulphur minerals are indicating a late stage of cristallisation of ultramafic minerals. They are reflecting a low distance transport of your iron ore compared to the mother rock (source).
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