| Annotation |
The content of rare-earth elements (REE) of the cerium subgroup in the clay cavities of productive veins of the Sherlovaya mountain deposit is studied. Also a high content of zinc, bismuth, arsenic, tin, tungsten and fluorine is revealed. Clays are presented by kaolinite, smektite, hydromica, etc. It is concluded that the pointed out REE, and also zinc, bismuth, arsenic, tin, tungsten, and fluorine, are the major impurities in clays, which under the action of atmospheric precipitation may be imposed on the landscape |
| References |
References
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