ʻO ka Geologically, he pōhaku metamorphic maikaʻi ʻo Slate i haku ʻia me ka sedimentary a i ʻole ka lua pele i waiho ʻia ma o ka metamorphism i hoʻololi kemika a hoʻololi ʻia.Loaʻa iā Slate nā laina wehewehe ʻelua o ka haʻihaʻi - cleavage a me ka palaoa.ʻO kēia ka mea hiki ke hoʻokaʻawale i ka papa i loko o nā ʻāpana lahilahi, a laila hiki ke ʻoki ʻia a hana ʻia i mau papa o ka hale, a me nā mea hoʻohana ʻē aʻe.
Hoʻohana ʻo CDPH Slate i kā mākou mau makahiki o ka ʻike e hōʻoia i ka maikaʻi o nā tile slates kūlohelohe ma mua o nā mea i manaʻo ʻia e kā mākou mea kūʻai aku, ma nā ʻano maoli o ka huahana a me ka hoʻokūkū o nā kumukūʻai hiki iā mākou ke hāʻawi.
Hiki ke hoʻohana ʻia kā mākou pāpaʻi no nā pā pā, nā ʻāpana papahele, nā ʻili hale, nā pōhaku paʻa, nā ʻanuʻu, nā ʻāʻī, kerbstone, nā Pavers pupule, nā pōhaku hae, nā steppers, nā paepae, nā ʻanuʻu, nā pā a me nā chips.