前言：大平掌矿床由上部层状块状硫化物矿体和下部细脉浸染状矿体组成，双层结构清楚。

There was a typical "two-layer structure" in Dapingzhang Cu-polymetal deposit, which was composed of the upper massive sulfide orebody and lower veinlet-disseminated sulfide orebody.

youdao

前言：大平掌矿床由上部层状块状硫化物矿体和下部细脉浸染状矿体组成，双层结构清楚。

There was a typical "two-layer structure" in Dapingzhang Cu-polymetal deposit, which was composed of the upper massive sulfide orebody and lower veinlet-disseminated sulfide orebody.

youdao