It is believed that there are equal intervalsalong ore vein and with the increase of the depth of deposit, the content ofsulfide,especially blende and galena in complex ores inerease.

• 认为矿脉分布具有等间距性；矿石中多金属硫化物，尤其是闪锌矿、方铅矿等矿物含量，随深度增大而增加。