Porosity of Common Rocks

Porosity refers to the volume percentage of void spaces (pores) within a rock or sediment. These pores can be filled with air, water, or other fluids. The following table provides a curated list of porosity values for different rocks.

Porosity of Common Rocks
Andesite10 - 15
Basalt0.1 - 1.0
Diorite0.3 - 2.7
Dolerite1 - 2
Dolomite1 - 5
Gabbro0.3 - 2.7
Gneiss0.5 - 1.5
Granite0.1 - 4
Limestone (hard)2.6 - 20
Limestone (soft)2.6 - 20
Marble0.5 - 2.0
Quartzite0.1 - 0.5
Rhyolite4 - 6
Shale10 - 30
Slate0.1 - 4.3
Related Tables
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018.