Determination of the composition and the origin of the ochre brown patina on the monumental Bab Agnaou gate (Marrakech, Morocco)

  • Benzzi K
  • Tanouti B
  • Bouabdelli M
 et al. 
  • 11

    Readers

    Mendeley users who have this article in their library.
  • 6

    Citations

    Citations of this article.

Abstract

Like the majority of the Mediterranean monu- ments, the monumental Bab Agnaou gate is covered by a patina having an ochre brown hue. The petrological and mineralogical studies of this patina using optical micros- copy, X-ray diffraction analysis, grazing incidence X-ray diffraction and electronic scan microscopy made it possible to determine its nature. It is about an artificial patina containing lime and clays, its colour is attributed to earth pigment. The experimental result and some rare historical documents made it possible to specify that the application of this patina goes back to the 1930s during the restoration work carried out at this time.

Author-supplied keywords

  • Bab Agnaou
  • Calcium oxalate
  • Mortar
  • Ochre brown patina

Get free article suggestions today

Mendeley saves you time finding and organizing research

Sign up here
Already have an account ?Sign in

Find this document

Authors

  • K. Benzzi

  • B. Tanouti

  • M. Bouabdelli

  • A. Alvarez

  • J. L. Brianso

  • F. Cherradi

Cite this document

Choose a citation style from the tabs below

Save time finding and organizing research with Mendeley

Sign up for free