Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. surface preparation materials
7. ground (material)

Anotations

Scope note:

Ground utilizing gold leaf, upon which painting is applied. The ground is usually for a wooden panel or parchment support; gold leaf is applied directly to the underlying surface or on a primary ground support.