1. Mary Kathleen's uranium deposits originated from contact metasomatic processes. 2. It is an iron mine in a contact metasomatic magnetite deposit. 3. Talc and magnesian metasomatic reaction zones enriched in calcium and called rodingites. 4. In some cases, geochemical evidence can be found of metasomatic alteration processes. 5. It occurs as a rare mineral in high-temperature hydrothermal or metasomatic deposits. 6. It occurs as metasomatic replacement in granitic pegmatites and within phosphatic nodules in shales. 7. The degree of metasomatic alteration of rocks increases closer to the Leningradskaya area to the west. 8. Metasomatic altered aureoles can localize the deposition of metallic ore minerals and thus are of economic interest.9. M . D . Higgins favours the possibility of recrystallization based on Ostwald ripening via metasomatic fluids. 10. The main characteristic for all fenites is metasomatic substitution and replacement of primary constituents by K-feldspar minerals.
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