Origins and architecture of the Taj Mahal AD (1053 AH) the official sources documenting the twelfth Urs give a detailed description of a substantially completed complex. Decorative work apparently continued until 1648 AD (1058 AH) when Amanat Khan dated the north arch of the great gate with the inscription "Finished with His help, the Most High". The Taj Mahal was constructed using materials from all over India and Asia. The buildings are constructed with walls of brick and rubble inner cores faced with either marble or sandstone locked together with iron dowels and clamps. Some of the walls of the mausoleum are several metres thick. Over 1,000
Origins and architecture of the Taj Mahal Jahan has appropriated the authority of the 'throne of god' symbolism for the glorification of his own reign. Koch disagrees, finding this an overly elaborate explanation and pointing out that the 'Throne' verse from the Qu'ran (sura 2, verse 255) is missing from the calligraphic inscriptions. In 1996 Begley stated that it is likely that the diagram of "Plain of Assembly" ("Ard al-Hashr)" on the Day of Judgment by Sufi mystic and philosopher Ibn Arabi (ca. 1238) was a source of inspiration for the layout of the Taj Mahal garden. Ibn Arabi was held in high regard at the time