Elemental behaviour during the process of corrosion of sekishu glazed roof-tiles affected by Lecidea s.lat. sp. (crustose lichen)

Katsuaki Watanabe, H. Ohfuji, J. Ando, R. Kitagawa

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Elemental behaviour, during the process of weathering of glazed sekishu roof-tiles affected by Lecidea s.lat, sp. (a crustose lichen), was investigated using optical and fluorescence microscopy, field emission scanning electron microscopy (FE-SEM) and transmission electron microscopy. Sekishu roof tiles have an opaque reddish brown glaze on their surfaces which consist of an alkali feldspar-type X-ray amorphous glass recrystallized at 1200°C. Optical and fluorescence microscopy revealed the presence of corrosion pits (at a depth of ∼50 μm) at the lichen-glaze interface. Elemental mapping by FE-SEM identified the concentrations of Ti and Fe in the section of the glazed tile analysed. The behaviour of C was correlated with those elements, suggesting the possibility of biomineralization.

本文言語English
ページ(範囲)819-826
ページ数8
ジャーナルClay Minerals
41
4
DOI
出版ステータスPublished - 2006 12
外部発表はい

ASJC Scopus subject areas

  • 地球化学および岩石学

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