Tuam Tshoj ntuj pob zeb loj dub tsaus nti slate patio paving slabs

Cov pob qij txha nyob rau hauv slate yog tshwm sim los ntawm kev loj hlob ntawm microscopic mica flakes, es tsis yog los ntawm kev sib cais raws tus thawj sedimentary strata.

Slate yog tsim thaum av nkos, shale, lossis felsic igneous pob zeb raug faus thiab raug rau qhov kub thiab txias.

Slate yog heev nplua-grained thiab undetectable rau tib neeg lub qhov muag. Polished slate muaj ib tug matte nto tseem yog du rau kov thiab yav tas los siv los tsim blackboards. Qhov me me ntawm silk mica muab slate ib lo lo ntxhuav iav zoo li.

Slate tshwm nyob rau hauv ntau yam xim vim qhov sib txawv ntawm cov ntxhia cov yam ntxwv thiab oxidation tej yam kev mob nyob rau hauv thawj sedimentary ib puag ncig. Piv txwv li, dub slate tau tsim nyob rau hauv ib qho chaw uas tsis muaj oxygen, tab sis liab slate tau tsim nyob rau hauv ib tug nplua nuj oxygen.

Slate tshwm sim nyob rau hauv qhov kub thiab txias, yog li cov nroj tsuag fossils thiab qee qhov kev tsim tawm tiag tiag yuav raug khaws cia.

Slate yog mined nyob rau hauv cov blocks loj thiab siv rau hluav taws xob tswj vaj huam sib luag, worktops, blackboards, thiab pem teb vim nws cov phaj zoo li, resilient, thiab disintegrating zoo. Cov nplais me me yog siv los ua cov ru tsev.

Txawm hais tias nws yog lub roob siab lossis lub hav tob, lub nroog loj lossis thaj chaw muaj kev thaj yeeb nyab xeeb, slate lub ntsej muag zoo nkauj thiab cov khoom zoo muab kev txhawb nqa tas li rau tib neeg lub neej thiab kev ua haujlwm. Qhov no yog slate, ib qho tseem ceeb tsis tau tenacious hav zoov, lub pob zeb uas khaws cia ntau txhiab xyoo ntawm cov dab neeg thiab nco.