36181
Accession Number
23445
Corporate Author
Unesco. Paris
Other Author
Hyvert, Giselle
Title Of Journal Book
Les statues de rapa nui. Conservation et restauration. Rapport de mission, fevrier-mars 1972
Collation
40, fig., 7 pl., 27 cm.
Language Of Text
French
Literature Type
Unpublished
Literature Level
Monographic
Abstract
Volcanic breccia of tuff containing few crystalline elements and glass or clay allophane cement. Erosion and chemical decomposition process leading to white opal silica crust. Survey of sculptures. Tests on treatment with sodium siliconate, polysiloxane resin, synthetic resin in cellosolve. Original red colour on some statues.
Keywords
Stone, consolidation silane silicone; Stone, consolidation synthetic-resin; Stone, deterioration chemical corrosion; Stone, deterioration mechanical; Stone, deterioration salt crystallization; Stone, tuff; Sculpture, stone; Stone, polychrome
pub_id
36181