DEGRADATION AND GEOMYCOLOGICAL ASPECTS REGARDING THE NATURAL STONE FROM BUILT OUTDOOR, Carpathian Journal of Earth and Environmental Sciences, August 2021, Vol. 16, No. 2, p. 391 – 402; DOI:10.26471/cjees/2021/016/184 - Carpathian Journal of Earth And Environmental Sciences

Marin ILIEȘ¹, Nicolae HAR², Nicolaie HODOR³, Dorina Camelia ILIEȘ^4*, Tudor CACIORA⁴, Ștefan BAIAS⁴, Farida AKIYANOVA⁵ & Zharas BERDENOV⁶

¹Babeș-Bolyai University, Faculty of Geography, Sighetu Marmatiei Extension, 6 Avram Iancu Street, Sighetu Marmatiei, 437 500, Romania, E-mail: marin.ilies@ubbcluj.ro

²Babeș-Bolyai University, Faculty of Geology and Biology, Department of Geology, 1 Kogalniceanu Street, 400084, Cluj-Napoca, Romania, E-mail: nicolae.har@ubbcluj.ro

³Babeș-Bolyai University, Faculty of Geography, 5-6 Clinicilor Street, 400006, Cluj-Napoca, Cluj County, Romania, E-mail: nicolaie.hodor@ubbcluj.ro

⁴University of Oradea, Faculty of Geography, Tourism and Sport, Department of Geography, Tourism and Territorial Planning, 1 Universitatii Street, 410087, Oradea, Bihor County, Romania; E-mails: dilies@uoradea.ro, * corresponding author

caciora.tudoriulian@student.uoradea.ro, sbaias@uoradea.ro

⁵Institute of Geological Science, Laboratory of Mineralogy, Ul. Kabanbai batyr, 69, 050010, Almaty, Republic of Kazakhstan, E-mail: akiyanovaf@mail.ru

⁶L.N. Gumilyov`` Eurasian National University, Department of Physical and Economic Geography, Faculty of Science, 2 Satpayev St, 010008, Nur-Sultan, Republic of Kazakhstan, e-mail: berdenov-z@mail.ru

DEGRADATION AND GEOMYCOLOGICAL ASPECTS REGARDING THE NATURAL STONE FROM BUILT OUTDOOR, Carpathian Journal of Earth and Environmental Sciences, August 2021, Vol. 16, No. 2, p. 391 – 402; DOI:10.26471/cjees/2021/016/184

Full text

The degradation processes of natural stone building are controlled by natural and anthropogenic factors. The environmental factors as humidity, temperature variations, wind, and air pollutants together with microbiological activity lead in time to stone decay. Mineralogic, petrographic and geomycological investigations were performed on the natural stone from Ursuline Monastery entrance portal, located in Oradea downtown, Romania. Optical transmitted light microscopy and X-ray diffraction were used in order to investigate the mineralogy and petrography of the samples collected from the investigated stone portal. Based on mineralogical and petrographic results, interpretations in connection with the effect of some atmospheric factors as humidity, air temperature, solar radiation, wind, air pollutants respectively, as well as with identified fungi (Penicillium sp., Alternaria sp., Aspergillus sp., Cladosporium sp., Cryptococcus laurentii), were made in order to evaluate de stone decay.