Merci, Alain.
Accepting that they are pyroxens of the same composition as the
remainder, is it understood how are they formed?
Thanks in advance,
Lyle Browning
On Dec 6, 2005, at 3:36 AM, Ploquin Alain wrote:
>> 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
>
> ******
> 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)
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