alaskite是什么意思

用法例句

These Archean acidic intrusive bodies belong to the alaskite-trondhjemite suites (A-T suites),and ultramafic rocks in the Archean greenston belts belong to the pyroxenic komatiites.

本区上太古界酸性侵入岩体是白岗岩-奥长花岗岩套(AT岩套)。