How does the tympanum at Moissac depict the Apocalyptic vision?

The tympanum at the abbey church of Saint-Pierre at Moissac (c. 1120–30) is a masterpiece of Romanesque art that depicts the Apocalyptic vision through a highly stylized, non-terrestrial composition.1

The relief centers on a looming, dominant figure of Christ enclosed in a mandorla, surrounded by the 24 elders of the Apocalypse. The composition masterfully utilizes differences in scale, using the tiny figures of the elders as a foil to the central, monumental Christ.21

The work is defined by a rigorous process of stylization that denies physical space, suspending all forms in a single, predominating plane. This approach transforms natural objects, purging them of their earthly qualities:1
* Central Figure: Christ is flattened to the point of appearing disembodied.1
* Angels: Two towering angels are so attenuated that their bodies lose all sense of mass.1
* Rhythmic Detail: Every element, including drapery, hair, and feathers, is subjected to consistent stylization to create rhythmic patterns.1

This transformation reflects the broader Romanesque goal of creating a spiritual, rather than realistic, representation of divine themes.1