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Table 2 Matrix description.

From: Crystallization of calcium carbonate in a large-scale push–pull heat storage test in the Upper Jurassic carbonate aquifer

SampleDescriptionDepth, m b.s.l.Porosity, %Ca/Mg
LimestoneMicrocrystalline grainstone
Iincl. ooids and peloids
Calcite crystals
DolomiteMacrocrystalline dolomite
Mostly idiomorph-hypidiomorph
Pores up to 2 cm
Dolomite crystals