Rhenium and related valuable metals in the oil shales of the Volga basin

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Abstract

The results of study of the content of rhenium and other valuable metals in the oil shales of the Volga basin are presented. The new data on precise determination of Re, Co, Ni, Cu, Zn, U and other metals by inductively coupled plasma mass spectrometry have been published. The content of the studied metals were compared with clarks in carbonaceous shales. The association of metals with rhenium (Mo, U, Co, Ni, Cu, Zn, Se, Ag, Sb) has been isolated in oil shales. The organic matter of oil shales acts as a rhenium concentrator, and apparently Mo, U. The preferred petrographic type of oil shales for the concentration of rhenium in them is the colloalginite-vitrinite-clay type. The rhenium-bearing and metalliferous content of the Volga shales is compared with the contents of rhenium and a number of other valuable metals in dictyonema shales of the Baltic sedimentary basin.

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About the authors

V. I. Vyalov

Federal State Budgetary Enterprise “A.P. Karpinsky Russian Geological Research Institute” (FGBU Karpinsky Institute); Southern Federal University (SFedU)

Author for correspondence.
Email: Vladimir_Vyalov@karpinskyinstitute.ru
Russian Federation, Saint-Petersburg, 199106; Rostov-on-Don, 344006

T. A. Dyu

Southern Federal University (SFedU)

Email: Dyu.timur94@gmail.com
Russian Federation, Rostov-on-Don, 344006

A. V. Nastavkin

Southern Federal University (SFedU)

Email: nastavkin@sfedu.ru
Russian Federation, Rostov-on-Don, 344006

E. P. Shishov

Federal State Budgetary Enterprise “A.P. Karpinsky Russian Geological Research Institute” (FGBU Karpinsky Institute)

Email: Evgeny_Shishov@karpinskyinstitute.ru
Russian Federation, Saint-Petersburg, 199106

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2. Fig. 1. Petrographic composition of oil shale of the Kashpirskoye deposit with increased organic matter content. Sample 117-K-III. a – in transmitted light (cut), b – in reflected light (polished section). Different areas. The division value of the ruler is 0.01 mm.

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3. Fig. 2. Petrographic composition of high-ash oil shale of the Kashpirskoye deposit. Sample 161-K-IV. Photographed in transmitted light in thin section. The division value of the ruler is 0.01 mm.

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