同义词： Archean eon Archean aeon Archeozoic Archaeozoic Archeozoic eon Archaeozoic aeon
同义词： archaean
以上来源于: WordNet
ADJ of or relating to the highly metamorphosed rocks formed in the early Precambrian era 太古代的
Such low levels of sulfate indicate that the archean atmosphere was virtually devoid of oxygen.
如此低的硫酸盐浓度，表示太古代大气中的氧气极为稀薄。
The nickel mineralization is contained in a layered basic massif surrounded and underlain by an archean gneiss complex.
此处镍矿化产于一层状基性岩块内，其四周和下面都为太古代片麻岩杂岩围绕。
South Longwangmiao gold deposit in Liaoning Province occurred in the meta-felsic rock unit in Liaobei Archean greenstone belt.
辽宁省清原县的南龙王庙金矿，赋存于太古宙绿岩带的变粒岩岩段中。
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