Carbonate Neoformations on Modern Buildings and Engineering Structures in Tyumen City, Russia: Structural Features and Development Factors; Geosciences; Vol. 9, iss. 3

Carbonate Neoformations on Modern Buildings and Engineering Structures in Tyumen City, Russia: Structural Features and Development Factors; Geosciences; Vol. 9, iss. 3

Bibliografiske detaljer
Parent link:Geosciences
Vol. 9, iss. 3.— 2019.— [18 p.]
Institution som forfatter: Национальный исследовательский Томский политехнический университет Инженерная школа природных ресурсов Отделение геологии
Andre forfattere: Novoselov A. A., Konstantinov A. O., Leonova L. V., Soktoev B. R. Bulat Rinchinovich, Morgalev S. Yu.
Summary:Title screen
The paper presents the results of studying the development of calcite neoformations on the surfaces of modern buildings within the city of Tyumen. The objects of the study were carbonate crusts and stalactite-like bodies formed on the surfaces of five representative buildings in the city center. Research methods included visual diagnostics, optical microscopy, scanning electron microscopy with energy dispersive X-ray spectroscopy, confocal laser scanning microscopy and semi-quantitative determination of the mineral composition by X-ray diffraction analysis. The results of the study show that calcite is the main component of all carbonate crusts, while other minerals were found in small quantities. The microscopic studies revealed the differences in morphology of crusts developing on horizontal and vertical surfaces. The mycelium of fungi (presumably of the Penicillium group), represented by filamentous and often hollow hyphae covered with calcite, as well as relics of bacterial colonies were found in all studied samples. It was noted that the mycelium forms the structural frame of carbonate crusts and stalactites. Studies have shown that the prokaryotic–eukaryotic communities are responsible for the high rate of the urban speleothem growth and play the main role in calcite precipitation at the initial stages of their development.
Sprog:engelsk
Udgivet: 2019
Fag:
электронный ресурс
труды учёных ТПУ
calcite
urban speleothems
biomineralization
fungi
crusts
кальцит
биоминерализация
грибы
кора
Online adgang:https://doi.org/10.3390/geosciences9030128
Format: Electronisk Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=660711

Lignende værker

Lignende værker