>Glassy blast furnace slag has bands of lighter colored material in
>most specimens. Assuming the material to have been formed as a
>viscous liquid, do these bands represent incompletely reacted flux or
>something else?
>
>Has anyone looked at this in detail? Info gratefully received.
>
>Lyle Browning
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From my own observations on many blast-furnace slag (that we call
"laitieas" in french), using charcoal, such white cristallised bands in
glassy matrix are mainly made of pyroxen. Band and matrix have same
composition.
Alain Ploquin
Alain Ploquin (paléométallurgie)
Centre de Recherches Petrographiques et Geochimiques (UPR 2300)
Centre National de la Recherche Scientifique
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