To the right are images featured in Memoir 77: A Color Guide to the Petrography of Carbonate Rocks: Grains, textures, porosity, diagenesis.

Gastropod

Echinoderm

Diagenesis

Echinoderm fragment

Ferroan and non-ferroan calcite

Luminescence succession

Chambered calcareous sponge

Hydrocarbon and brine inclusions

Shell material

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