Geologic and Geochemical Features of Cretaceous Ge-Bearing Lignites in the Yenisei Middle Reaches

Тип публикации: статья из журнала

Год издания: 2019

Идентификатор DOI: 10.15372/RGG2019006

Ключевые слова: lignite, germanium, deposit, geological and geochemical researches, Ge-bearing lignites

Аннотация: Integrated geological and geochemical studies were performed for lignite from the Yenisei middle reaches, represented by carbonized fragments of trees with high germanium contents. Geochemical characteristics of terrigenous sediments with Ge-bearing lignite are determined. The chemical and mineral compositions, textures, and structures of carbonized wood fragments were studied. Scanning of individual cross sections of lignite fragments has revealed a regular distribution of germanium and impurity elements. Consistent patterns of the formation of Ge-containing lignites have been established, as well as the processes of their posthy drothermal transformation, which led to the impoverishment of the primary contents of the valuable component and to the input of a number of impurity elements. The latter formed rims over the lignite fragments and microveinlets with sulfide mineralization. The hypothesis has been put forward that germanium mineralization formed in lignites of the Kas basin, in particular, the Serchanskoe deposit.

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Издание

Журнал: RUSSIAN GEOLOGY AND GEOPHYSICS

Выпуск журнала: Vol. 60, Is. 1

Номера страниц: 86-96

ISSN журнала: 10687971

Место издания: NOVOSIBIRSK

Издатель: RUSSIAN ACAD SCIENCES, SIBERIAN BRANCH, VS SOBOLEV INST GEOL & MINEROL

Авторы

  • Naidko V.I (Siberian Fed Univ, Pr Svobodnyi 79, Krasnoyarsk 660041, Russia)
  • Makarov V.A. (Siberian Fed Univ, Pr Svobodnyi 79, Krasnoyarsk 660041, Russia)
  • Koz'min D.G. (OOO Kas, Ul Traktovaya 1v, Berezovka 662521, RussiaArticle)
  • Shimanskii A.F. (Siberian Fed Univ, Pr Svobodnyi 79, Krasnoyarsk 660041, Russia)
  • Fertikov A.I (Siberian Fed Univ, Pr Svobodnyi 79, Krasnoyarsk 660041, Russia)

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