Stylolites (Greek: stylos, pillar; lithos, stone) are serrated surfaces at which mineral material has been removed by pressure dissolution, in a process that decreases the total volume of rock. Insoluble minerals like clays, pyrite, oxides remain within the stylolites and make them visible.

Stylolite
Stylolite
Stylolites in Sandstones
Stress sensitivity of stylolite morphology
Three‐dimensional roughness of stylolites in limestones
Experimental microstylolites in quartz and modeled application to natural stylolitic structures
Stress fields about strike-slip faults inferred from stylolites and tension gashes
The influence of rock heterogeneity on the scaling properties of simulated and natural stylolites
Lithologic controls on morphology of pressure-dissolution surfaces (stylolites and dissolution seams) in Paleozoic carbonate rocks f...
A coupled reaction/transport/mechanical model for intergranular pressure solution, stylolites, and differential compaction and cemen...