archean stratum

• 1. 太古代层: archean stratum
• 2. 太古代地层: the Archaeozoic strata

• 1.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。
  The nickel mineralization is contained in a layered basic massif surrounded and underlain by an archean gneiss complex.
  dict.yoduao.com
• 2.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。
  The nickel mineralization is contained in a layered basic mass if surrounded and underlain by an archean gneiss complex.
  dict.yoduao.com

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