Abubuwan haɗin gwiwa a cikin slate suna haifar da haɓakar ƙananan mica flakes, maimakon ta hanyar rarrabuwa tare da asalin sedimentary strata.
Ana ƙirƙira Slate lokacin da aka binne dutsen laka, shale, ko dutsen ƙaƙƙarfan ƙanƙara da kuma fuskantar ƙarancin zafi da matsa lamba.
Slate yana da kyau sosai kuma ba a iya gano shi a idon ɗan adam. Slate ɗin da aka goge yana da matte saman duk da haka yana da santsi ga taɓawa kuma an yi amfani da shi a baya don gina allo. Ƙananan mica na siliki na siliki suna ba da slate siffar gilashin siliki mai siliki.
Slate yana bayyana a cikin launuka iri-iri saboda bambance-bambance a cikin halaye na ma'adinai da yanayin iskar shaka a cikin yanayin sedimentary na asali. Alal misali, an ƙera baƙar fata a cikin yanayin da ba shi da iskar oxygen, amma an samar da jajayen slate a cikin mai arzikin oxygen.
Slate yana faruwa a ƙarƙashin ƙananan yanayin zafi da matsi, don haka ana iya adana burbushin shuka da wasu abubuwan ƙirƙira na gaske.
Ana haƙa Slate a cikin manyan tubalan kuma ana amfani da shi don filaye masu sarrafa wutar lantarki, saman aiki, allo, da benaye saboda irin farantin sa, juriya, da rarrabuwar halaye. Ana amfani da ƙananan slat don gina rufin rufi.
Ko babban dutse ne ko wani kwari mai zurfi, babban birni mai cike da jama'a ko karkara mai zaman lafiya, yanayin ban mamaki na slate da ingantaccen inganci suna ba da tallafi akai-akai ga rayuwar mutane da aiki. Wannan slate, asali na asali amma mai ƙarfi, dutse wanda ke adana biliyoyin shekaru na labarai da abubuwan tunawa.