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.

../images/POROSITE_SEPTEI.png

Porosity of vertical intervallar structures

Aporous

Aporous: No pore.

../images/Lpseudoseptes_sans_pore.png

Aporous

../images/compositocyathus_muchattensis1.png

Aporous

Finely porous

Finely porous: Pore diameter smaller than lintels width.

Lintel: Skeletal structure separating and bounding adjacent pores.

../images/gabrielscyathus_gabrielsensis3.png

Finely porous

../images/beltanacyathus_wirrialpensis2.png

Finely porous

../images/adet_0004I.png

Finely porous

Coarsely porous

Coarsely porous: Pore diameter greater than lintels width.

Lintel: Skeletal structure separating and bounding adjacent pores.

../images/TAENIAE_PROTOPHARETRA2.png

Coarsely porous

../images/okulitchicyathus_discoformis1.png

Coarsely porous

../images/cambrocyathellus_tschuranicus1.png

Coarsely porous

Hierarchy

Vertical intervallar structures
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 |_ Porosity of vertical intervallar structures

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