Stylolite (Petrology 💎)
Stylolites are serrated surfaces within a rock mass at which mineral material has been removed by pressure dissolution, in a deformation process that decreases the total volume of rock. Minerals which are insoluble in water, such as clays, pyrite and oxides, as well as insoluble organic matter, remain within the stylolites and make them visible. Sometimes h...
https://en.wikipedia.org/wiki/Stylolite
#Stylolite #Limestone #Petrology #SedimentaryRocks #StructuralGeology