weathering zone

• 风化带,风化区

weathering zone的用法和样例：

例句

1. The potash feldspar orebodies are discovered in a slightly-weathered zone of megaporphyritic medium-coarse-grain hornblende biotite adamellite.
   矿体赋存于巨斑状中粗粒角闪黑云二长花岗岩弱风化带中。