I-Slate ingasetyenziselwa uphahla, imigangatho, igadi kunye nezinye iindawo, kodwa kunye nelitye elihle lokuhlobisa, ilitye lendalo liyintlobo ngeentlobo, yintoni i-slate?Abantu abaninzi abazi kakhulu ngolu hlobo lwelitye.Sabakho njani isileyiti?Ungaxhalabi.Makhe sithethe ngayo.Makhe sijonge.

Yintoni isileyiti?

I-Slate luhlobo lwelitye le-metamorphic elinesakhiwo sesileyiti kwaye akukho recrystallization.Ilitye lokuqala li-argillaceous, i-silty okanye i-tuff engathathi hlangothi, enokuthi ihlulwe ibe ngamashiti amancinci ecaleni kwendlela yesileyiti.Yenziwa yi-metamorphism encinci ye-clayey, intlenga yamatye e-sedimentary, amatye aphakathi-asidi e-tuffaceous kunye namatye e-sedimentary tuffaceous.
Ngenxa yokuphelelwa ngamanzi emzimbeni, ubulukhuni belitye lokuqala buyaphuculwa, kodwa ukubunjwa kweeminerali ngokusisiseko akuphindi kuqaqambe.Inesakhiwo se-metamorphic kunye nesakhiwo se-metamorphic, kwaye ukubonakala kwayo kuxinene kwaye kufihliwe i-crystallization.Iincinci zamaminerali zihle kakhulu, okunzima ukuhlula ngamehlo.Kuhlala kukho inani elincinci le-sericite kunye nezinye iiminerali kumphezulu wepleyiti, okwenza umphezulu wepleyiti ube silky kancinci.Isileyiti sinokuthiwa ngokubanzi ngokweenkcukacha ngokobumdaka bombala obahlukeneyo, njengesileyiti esimnyama sekhabhoni kunye nesileyiti esingwevu esiluhlaza.Kwi-low-grade thermal contact metamorphism, amatye e-metamorphic angenzulu anamabala kunye nezakhiwo zepleyiti zinokubunjwa, ezibizwa ngokuba "ngamatye anemibala".I-Slate ingasetyenziselwa njengezinto zokwakha kunye nezinto zokuhombisa.Kumaxesha amandulo, yayisetyenziswa ngokuqhelekileyo njengethayile kwiindawo ezityebileyo kwisileyiti.

Sakheka njani isileyiti?

I-Slate, njengelitye lentlabathi, lilitye lentlenga elenziwe yintshukumo ye-crustal yomhlaba kunye nokunyanzeliswa kunye nokudityaniswa kweenkozo zesanti kunye neesamente (i-siliceous matter, calcium carbonate, clay, iron oxide, calcium sulfate, etc.) phantsi kwexesha elide elikhulu. uxinzelelo.Okwangoku, imibala ephambili iluhlaza okwesibhakabhaka, emnyama, eluhlaza, epinki, emdaka, engwevu, etyheli njalo njalo.I-Slate ayityebi kuphela kwi-texture, kodwa inzima, umbala obukekayo, ukufunxa kwamanzi aphantsi, akukho ngcoliseko yemitha, kunye ne-matt, i-anti-skid, i-asidi kunye nokumelana ne-alkali, ukumelana nomlilo kunye nokubanda, ukuxhathisa kwemozulu, ukuphazamiseka okulungileyo kunye nezinye iimpawu.

Ukubunjwa kwamaminerali ikakhulu yi-mica, ilandelwa yi-chlorite, i-quartz, inani elincinci le-pyrite kunye ne-calcite.Isileyiti esitsha sinomxholo ophezulu wesanti, i-calcium eninzi kunye ne-pyrite, kunye ne-lithology enzima.Imizimba ye-ore yi-calcareous sericite kunye ne-sericite enentlenga enobunzima obuyi-1-5 cm.
Amatye angenzulu emetamorphic abunjwa yi-metamorphism encinci ye-clayey, intlenga yentlenga yamatye, amatye aphakathi-asidi e-tuffaceous kunye namatye e-sedimentary tuffaceous.Mnyama okanye grey-mnyama.I-lithology ihlangene kwaye i-plate cleavage iphuhliswe kakuhle.Kuhlala kukho inani elincinci le-sericite kunye nezinye iiminerali kumphezulu wepleyiti, okwenza umphezulu wepleyiti ube silky kancinci.Kwakungekho nto icacileyo yokwenziwa kwakhona.Ngokwe-Microscopically, ezinye iinkozo zamaminerali, ezifana ne-quartz, i-sericite kunye ne-chlorite, azisasazwanga ngokulinganayo, kodwa uninzi lwazo ziiminerali zodongwe ze-cryptocrystalline kunye ne-carbonaceous kunye ne-iron powders.Inesakhiwo esingafunekiyo kunye nesakhiwo esinamabala.
Amatye aphambili anesakhiwo sepleyiti ubukhulu becala ngamatye argillaceous, argillaceous siltstone kunye ne-intermediate-acid tuff.I-Slate yimveliso ephantsi ye-metamorphism yengingqi, kwaye ukushisa kwayo kunye noxinzelelo olufanayo aluphezulu, oluchatshazelwa kakhulu luxinzelelo.I-lamellar cleavage metamorphic rocks ene-argillaceous and silty components njengezona nxalenye eziphambili kunye ne-argillaceous kunye ne-silty njengezona nxalenye eziphambili zingasetyenziswa njengelitye lokwakha, i-stele kunye ne-inkstone.
Ukutyhubela iminyaka, iinyani ezininzi ziye zangqina ukuba ilitye lendalo liye laba yenye yezona zinto zidumileyo phantsi.Zineempawu ezinokuthi zikwazi kwaye zifaneleke kakhulu kwizinto zomgangatho wokuhlambela.I-Slate, njengelitye lendalo, iimpawu zayo zendalo zenza ukuba ibe yinto efanelekileyo yomgangatho wokuhlambela.