The aim of this research work was to determine and analyse the mechanical properties of a
group of four varieties of ignimbrites, which are differentiated according to their colour …

Green volcanic tuff has been used in the construction of very important historic buildings in
the city of Guanajuato, Mexico, a UNESCO World Cultural Heritage city since 1988. The …

Visual environment pollution increasing along with urbanism. For the first time VA Filin
provides an explanation of the link between this problem and visual deterioration, mental …

Stone consolidants have been widely used to protect historical monuments. Consolidants
and hydrophobic formulations based on the use of tetraethoxysilane (TEOS) and …

The atmospheric deposition of some heavy metals was investigated using saxicolous lichen
species (Xanthoparmelia mexicana (Gyeln.) Hale, Xanthoparmelia tasmanica (Hook. f. & …

Abstract The Eocene Guanajuato Conglomerate is composed of clasts derived from igneous
and metasedimentary sources that can be related to the Upper Jurassic–Lower Cretaceous …

The Losero Formation is exposed in the Guanajuato Mining District, conformably overlying
the Guanajuato conglomerate. Most of the up-to-date studies of the Losero Formation have …

PUY-ALQUIZA, María Jesús et al. The role of lichen communities in superficial deterioration
of their rock substrates: studies of the lichen-rock interface of two historical buildings in the …

Экология городской среды на сегодняшний день является областью внимания не
только ученых, но и всего общества в целом. Однако, рассматриваются в основном …

En este trabajo se analizan los procesos de deterioro que ejercen las comunidades de
líquenes en las areniscas silíceas de dos monumentos del siglo XIX y XX de la ciudad de …