slate, stone splinters, wood splinters, shingle is a collective term for different tectonically deformed and also metamorphic sedi

abstract also architecture background black block brick chalkboard chips cliff collective construction cracks deformed detail different erosion folded geological geology gray grey longslate material metamorphic natural old pattern photographed plate rock rocks rough schiver scivaro sedi sedimentary shingle slab slate splinters stone structure studio surface tectonically term texture this wall wallpaper weathered wood