试样锌矿物难选的主要因素为易浮硅质矿物和硫铁矿的于扰。
The sample of zinc mineral is difficult to select, while the main factor is the interference between the easy-floating silica minerals and sulfurous iron ore.
云南某锡多金属矿矿石中易浮硅质矿物含量高，造成生产上浮选锌的效果很差。
The ores from a Yunnan Tin-polymetallic mine contains high level of easy-floating silica minerals, resulting in poor zinc flotation effect in production.
高岭石、大部分菱铁矿、黄铁矿、硅质自生矿物及少部分方解石反映了陆相环境。
Kaolinite, a number of siderites, pyrites, siliceous authigenic minerals and a few calcites represent continental environment.
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