Geologica Belgica

1374-8505

 

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Irina E. STUKALOVA, Elena V. POKROVSKAYA, Engelina I. ALYSHEVA & Arif T. RASULOV

THE MINERALOGY OF THE PELITIC FRACTION OF THE LOWER CARBONIFEROUS DOMBAROVSK ANTHRACITE DEPOSITS, SOUTH URALS, RUSSIA

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Mots-clés : diagenetic rock alteration, organic matter metamorphism.

Abstract

The sedimentary complexes of the Dombarovsk deposits (Ural eastern slope) underwent important transformation. The diagenetic rock alteration and the organic matter metamorphism observed in the Lower Carboniferous rocks are assumably due to frequent high tectonic stresses of various directions. Coals were transformed into anthracites of high degree of metamorphism, with a graphite-like structure in most altered parts. Intensive P-T stresses also transformed the minerals. The host rock minerals became structurally altered as to yield the 2M micas typical of high-temperature.

To cite this article

Irina E. STUKALOVA, Elena V. POKROVSKAYA, Engelina I. ALYSHEVA & Arif T. RASULOV, «THE MINERALOGY OF THE PELITIC FRACTION OF THE LOWER CARBONIFEROUS DOMBAROVSK ANTHRACITE DEPOSITS, SOUTH URALS, RUSSIA», Geologica Belgica [En ligne], volume 7 (2004), number 3-4 - Proceedings of the 5th European Coal Conference, 279-284 URL : http://popups.ulg.ac.be/1374-8505/index.php?id=408.

About: Irina E. STUKALOVA

Geological Institute of the Russian Academy of Sciences, Pyzhevskyi per. 7, Moscow, 119017 Russia. E-mail: stukalova@ginras.ru

About: Elena V. POKROVSKAYA

Geological Institute of the Russian Academy of Sciences, Pyzhevskyi per. 7, Moscow, 119017 Russia

About: Engelina I. ALYSHEVA

Central Research Institute of Geological Prospecting for Base and Precious Metals, Moscow, Russia

About: Arif T. RASULOV

Institute of Geology and Geochemistry, Pochtovyi per. 7, Yekaterinburg, 620151 Russia