Descriptor : Porosity of vertical intervallar structures

Descriptor type : categorical

Vertical intervallar structures: Longitudinal and often radial structures inside the intervallum (septa, taeniae...).

Intervallum: Space enclosed between the walls.

Aporous

Aporous: No pore.

Finely porous

Finely porous: Pore diameter smaller than lintels width.

Lintel: Skeletal structure separating and bounding adjacent pores.

Coarsely porous

Coarsely porous: Pore diameter greater than lintels width.

Lintel: Skeletal structure separating and bounding adjacent pores.

isn't included in the term

Hierarchy

Vertical intervallar structures
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 |_ Porosity of vertical intervallar structures