At 14:30 05/11/01 +0000, vous avez écrit:
> Yes I joke. However, a quartz diorite is not any kind of
>tonalite. Tonalite is field 5 on the QAPF diagram and quartz diotite
>is field 10star!
Ah ! nomenclature ....
> And, yes this is the IUGS classification blue bible
>by LeMaitre (1989). Adakite doen't exist in the blue book.
Oooh !!! it is already too old ?
>to a good number of igneous petrologists, this suggested volcanic
>rock name is useful. Others think not. I side with the minority!
apart the problem of nomenclature,
taking into account their significant role on the origin of the continental
crust, it is fundamental to know if the archean TTG contain adakites or not
!!! Don't you believe?
>With further amusement,
well, of course