Original scientific paper

THE INFLUENCE OF ACID RAINS ON THE LITHOTHAMNIAN LIMESTONE ON THE GALLERY OF THE MARY'S ASCENSION CATHEDRAL, ZAGREB, CROATIA

Branko Crnković
Neven Tadej
Davor Pollak

Abstract

Urban, environmental pollution, caused by acid rains and damages of stone elements on Cathedral of Zagreb are described. On the surfaces of limestone elements that are in the »shade«, the black scabs have developed. The outher crusts, and inner powdery matter of the black scabs have been investigated by microscopy, and analyzed by means of x-ray. thermal and chemical analyses. They contain gypsum, calcite, soot, and sporadic fly ash.

Keywords

damages of limestone; Cathedral of Zagreb; pollution; acid rain

Hrčak ID:

13623

URI

https://hrcak.srce.hr/13623

Publication date:

4.12.1994.

Article data in other languages: croatian

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