BAUXITES OF THE TATAR DEPOSIT (YENISEI RIDGE, RUSSIA): THE FIRST EVIDENCE OF CONTACT-KARST GENESIS-Reference-Cited by-同舟云学术

BAUXITES OF THE TATAR DEPOSIT (YENISEI RIDGE, RUSSIA): THE FIRST EVIDENCE OF CONTACT-KARST GENESIS

Published:2023-11-01 Issue:1 Volume:513 Page:96-105
ISSN:2686-7397
Container-title:Доклады Российской академии наук. Науки о Земле
language:
Short-container-title:Doklady Rossijskoj akademii nauk. Nauki o Zemle

Author:

Boeva N. M.¹,Slukin A. D.¹,Makarova M. A.¹,Shipilova E. S.¹,Melnikov Ph. P.¹,Vnuchkov D. A.¹,Zhegallo E. A.²,Zaitseva L. V.²,Bortnikov N. S.¹

Affiliation:

1. Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry of the Russian Academy of Sciences

2. Paleontological Institute of Borisyak of the Russian Academy of Sciences

Abstract

The Tatar bauxite deposit on the territory of the Russian Federation was formed as a result of sedimentation in contact-karst depressions of the products of denudation of lateritic weathering crusts of amphibolites. Detailed mineralogical studies of bauxites made it possible to reliably reconstruct the conditions for their formation. As it turned out parent rocks and weathered before rocks occurred due to the close location of the areas of nutrition and accumulation and denudation. At the same time, chemical processes was continuing in karst depressions. For the first time, the presence of nanoparticles of amorphous aluminum oxide was revealed into contact-karst bauxites. This characteristic feature of the form of alumina precipitation is associated with the subsequent cessation of lateritization processes and their attenuation with depth. The presence of amorphous aluminum monohydrate must be taken into account when choosing a scheme for bauxite enrichment.

Publisher

The Russian Academy of Sciences

Reference15 articles.

1. Боева Н.М., Слукин А.Д., Шипилова Е.С., Макаро-ва М.А., Балашов Ф.В., Жегалло Е.А., Зайцева Л.В., Бортников Н.С. Редкие и редкоземельные элементы в латеритизированных бокситах Чадобецкого поднятия (Сибирская платформа) // Доклады Академии наук. Науки о земле. 2021. Т. 500. № 1. С. 17–25.

2. Боева Н.М., Макарова М.А., Шипилова Е.С., Слу-кин А.Д., Мельников Ф.П., Каримова О.В., Бортников Н.С. Два генетических типа бокситов Центрального месторождения и их редкометальная составляющая (Сибирская платформа) // Доклады Академии наук. Науки о земле. 2022. Т. 507. № 1. С. 23–34.

3. Минеральные ресурсы Красноярского края. Кадастр месторождений полезных ископаемых / редактор С. С. Сердюк. Красноярск, РИЦ КНИИГиМС, кн.1,2, 2002. 581 с.

4. Bardossy G., Karst bauxites: bauxite deposits on carbonate rocks. 1982. In: Dev. Econ. Geol. 14. Elsevier, Amsterdam, 441 p.

5. Кирпаль Г.Р. Промышленные типы месторождений бокситов и их геолого-экономическая оценка. М., Недра. 1977. 261 с.