At 10:17 05/11/01 +0000, vous avez écrit:
>And I wondered why students were being put off metamorphic geology...
is it so different in magmatic petrology ?
only some examples which disturb the metamorphic petrologist who I am :
could you give me the difference (and similarities) betwen Q Diorite,
trondhjemite and tonalite ? Is the term enderbite really useful ? why some
geologists use the name andesite for intermediate rocks of the alkaline
series and not only for the calco alcaline series ? ....