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Abstract

The coal exploitation in the Upper Silesia region (along the Vistula River) triggers the strata seismic

activity, characterized by very high energy, which can create mining damage of the surface objects, without

any noticeable damages in the underground mining structures. It is assumed that the appearance of the

high energy seismic events is the result of faults’ activation in the vicinity of the mining excavation. This

paper presents the analysis of a case study of one coal mine, where during exploitation of the longwall

panel no. 729, the high energy seismic events occurred in the faulty neighborhood. The authors had analyzed

the cause of the presented seismic events, described the methods of energy decreasing and applied

methods of prevention in the selected mining region. The analysis concluded that the cause of the high

energy seismic events, during the exploitation of the longwall panel no. 729 was the rapid displacements

on the fault surface. The fault’s movements arose in the overburden, about 250 m above the excavated

longwall panel, and they were strictly connected to the cracking of the thick sandstone layer.

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Authors and Affiliations

Krzysztof Tajduś
Antoni Tajduś
Marek Cała
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Abstract

The study looks into the wealth and earnings of the first Russian court poet of the 17th century, Simeon of Polotsk (1629‑1680). Simeon was in many respects a unique figure for 17th‑century Muscovy. His social status was far from common for besides being a regular hieromonk, at the same time he founded and managed a printing house supported by Tsar Aleksey Mikhajlovich (an institution that printed books without the license of the Moscow patriarch), and was probably the only monk to be accepted to the Tsar’s service as a poet and preacher. His private life and especially fortune are fascinating: residing in a house specially built for him on the territory of the Zaikonospasskiy monastery in Moscow, Simeon earned his living rather than live by the means provided by his monastery and by the end of life he had accumulated a great sum of Russian silver kopeks and golden chervonets comparable in worth to the money princes would have had for charitable donations at their funerals. When living in Moscow, Simeon received everything needed for his everyday life from the Tsar’s court: food, hay for his horse (provided by the Tsar as well), paper for writing. The supplement to the article discusses the date of Simeon’s relocation to Moscow from Polotsk and examines the circumstances under which he was accepted to the royal court.
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Authors and Affiliations

Александр Лаврентьев
1
ORCID: ORCID
Aнастасия Преображенская
1
ORCID: ORCID

  1. Москва, Национальный исследовательский университет „Высшая школа экономики“

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