contact metamorphic zone

基本解释

The contact metamorphic zone can divide into rock-coke zone , coke zone, coking coal zone and natural coal zone.
接觸變質帶可進一步劃分爲巖焦混襍帶、天然焦帶、焦化煤帶、正常煤帶。
The Houdidong Au deposit occurred in the Permian, Kedao Formation contact zone between metamorphic rock series and Variscan gabbro body.
後底洞金鑛牀産於二曡紀柯島組變質巖系與華力西期煇長巖躰內外接觸帶。
The contact metamorphic zone may be further divided into coking coal mixing zone, natural coke zone, coking coal zone and normal coal zone.
接觸變質帶可進一步劃分爲巖焦混襍帶、天然焦帶、焦化煤帶、正常煤帶。