https://gamesartist.co.uk/mountain-gravel/
Material Artist Hwichan Hwang shares their workflow for creating this Mountain Gravel texture, aiming to achieve realistic quality that surpasses scanned textures. Hwichan explains their process of collecting references, using software tools like Substance Designer and adding details through sculpting and grunge textures. They also utilize scanned data for minor details and provide tips for minimizing overlap and adding damage.
https://www.artstation.com/hwanghweechan_snail
https://www.artstation.com/artwork/qeZnDy