These are some examples of the tiling textures I sculpted in Zbrush. Some Height maps I used for stamps in Zbrush were generated using photo-grammetry tools like Agisoft and Substance Bitmap to Material just to add detail.
large shaved cliff rock
blocky cliff wall
smooth shaved cliff rock
basalt column wall
geothermal mud puddles
geothermal sediment layers
hardened lava rock
long boat side planks
metal trap door plate
micro moss
shale rock pile
garden stone path
jagged blocky rock
geothermal rock variation
straw thatch roof