Dec
ʻO Bluestone kahi ʻano kikoʻī o ka pōhaku ʻili like ʻole i hiki ke hoʻokaʻawale ʻia i nā ʻāpana lahilahi a maʻalahi. Ua hoʻokumu ʻia ka huaʻōlelo "bluestone" i ka waena waena o 1800 i ka wā i ʻike ʻia ai ka hapa nui o ka pōhaku i uliuli. or polū-hinahina. ʻOiai ka inoa, hiki ke ʻike ʻia ka bluestone ma nā ʻano kala like ʻole me nā aka o ka ʻōmaʻomaʻo, ʻeleʻele, poni, ʻeleʻele hina, ʻulaʻula, a ʻulaʻula paha. New York a Pennsylvania ʻo ia wale nō nā kumu o ka bluestone i hana ʻia ma ke kālepa ma ka ʻAmelika Hui Pū ʻIa. He lō'ihi loa, mālama i kona kala, a kū'ē i ka pohā ma lalo o nā ho'ololi o ka lewa, e like me ke ana wela a me ke kaomi. Ua hoʻomaka ka ʻeli ʻana o Bluestone ma New York State ma Ulster County i ka waena o ke kenekulia 19 a ua ʻeli ʻia ʻo ia no ka hoʻohana ʻana i nā ala ala, ke kūkulu hale, nā paepae alapiʻi, a me nā mea hana ʻē aʻe.
Ua waiho ʻia ka pōhaku ʻulaʻula o New York i ka wā i uhi ʻia ai kahi kai kahiko i ka hapa nui o New York i kēia manawa. Lawe nā kahawai i ka nui o nā one i kūkulu ʻia ka pōhaku a waiho ʻia i loko o kahi kai pāpaʻu/detaic, i kapa ʻia ʻo Catskill Delta. ʻOiai ua hoʻokumu ʻia ka pōhaku ʻulaʻula ma kēia kaiapuni haʻahaʻa a me ka pāpaʻu, ʻo ka hapa nui o nā mea i loko o ka pōhaku i puka mai i ka ʻānai ʻana o nā mauna ʻo Acadian mua, aia ma ka wahi i kapa ʻia i kēia manawa nā pae mauna o ka Hikina ʻĀkau.
ʻOi aku ka paʻakikī o ka ʻimi ʻana i ka pōhaku ʻulaʻula ma mua o nā ʻano pōhaku he nui kahi e loaʻa ai ka ʻike pono i kekahi mau lua kumu i kau pono ʻia. ʻO nā waihona pōhaku ʻulaʻula kiʻekiʻe e kaupalena ʻia i ka nui a me ka hoʻopau ʻana i ke ʻano, no laila ʻaʻole pono ke kumu kūʻai i ka hoʻohana ʻana i nā lua kumu e ʻimi ai i nā waihona hou.