There are some independent minerals of Cd, which are secondary minerals formed during weathering and leaching, such as greenockite, otavite and oxides of Cd in the oxidized zone of the deposit.

镉主要以类质同象锌矿中,少量镉以镉矿等独立矿物矿床的氧化带，是风化淋滤过程中成的镉的次生矿物。