Ubumenyi bwa geologiya, Slate ni urutare rwiza rwa metamorphic rugizwe nubutaka bwivu cyangwa ubutayu bwikirunga bwifashishije metamorphism bwahinduwe muburyo bwa chimique nuburyo.Icyapa gifite imirongo ibiri isobanutse yo kumeneka - clavage nintete.Ibi bituma bishoboka kugabana urupapuro mumpapuro zoroshye, zishobora gukata hanyuma zigakorwa mubisenge, kimwe nibindi bikorwa byinshi.
Icyapa cya CDPH koresha imyaka yacu y'uburambe kugirango tumenye neza ko ubuziranenge bw'amabati karemano arenze ibyo abakiriya bacu bategereje, haba mu bintu nyabyo biranga ibicuruzwa ndetse no mu guhatanira ibiciro dushobora gutanga.
Urupapuro rwacu rushobora gukoreshwa kuri Tile Tile, Igorofa Igorofa, Amabati yo hejuru, Amabuye ya kaburimbo, Ingazi, Curbs, Kerbstone, Crazy Pavers, Ibendera, Intambwe, Intambwe Zikandagira, Intambwe, Uruzitiro na Chips.