
kid veltt

amerikkayile arkkansaasil kandethiya asaadhaaranamaaya oru daathuvaanu kid velaitt. 1974ll aii. emm. eiii. ithu amgeekarichu, ennaal 1978ll moorum ittoyum albert levis (niyamangal) kid vellinte peril maathramaan ithinu peru nalkiyathu.
swathukkal.
kid velaittin saadhaaranayaayi oru bottiroidal allengil asecular kristtal sheelamund. eee golaakrithiyilulla aggregettukalude thilakkam saadhaaranayaayi maatt aanu, koodaathe velvetti uparithalavumundu. ennirunnaalum, fiber collamar paralukal valarthaan ithinu kazhiyum, ennirunnaalum aaa roopam valare apoorvamaanu. kaadinyam, niram, kristtal seelam ennivayile samanathakal kaaranam, ithu miyurijaittinte soodiyam analogumaayi thettidharikkaam. iva randum verthirichariyaanulla oru eluppamaarggam murigite-naykku velutha varayum kidvelitinu manja niravumaanu. dhaatu radio active gunangal pradarshippikkunnilla. kiddwellitil pradhaanamaayum ooksijan (44.43%), irumbu (36.73%) enniva adangiyirikkunnu, ennaal phoosphoorus (13.58%) adangiyirikkunnu. chembu (2.32%), soodiyam (1.68%), hydrajan (1.25%) ennivayum ithil undu. 1978ll moorum ittoyum yadhaarthathil vivarichappol, rund gaveshakarum dhaatu "a"/"m", "am" allengil "a" 2 space groupil christalise cheiyunnathaayi report cheythu, ithu pinneedu thettaanenn kandethi, ghadana pariharam kaanikkunnu.
oru sample anusarichu, ithu alppam arsenic bairing aakam. germmaniyile black forestile clara pittil ninnaan cheruthaayi arsenic saambilukal shekharichathu. jenalinte rachayithavaaya yuve kolitshaanu eee patanam nadathiyathu. 1990ll ithe pradeshathu ninnulla saambilukalil nadappilaakkiya vaalantayude falangalkku samaanamaan daattayenn addeham avakashappettu. arsenic vahikkunna niravadhi daathukkal khaniyil kaanappedunnathinal clara pitt bairing arsenicle ninnu labhicha saambilukal eluppathil vishadeekarikkaan kazhiyum. aluminium, chembu ennivayaanu mattu maalinyangal. thante kandethalukale moorinteyum itosinteyum kandethalukalumayi thaarathamyam cheythukondu, raasa soothravaakyavum samamitiyum parishkarikkanamenn rachayithaav nirddeshichu. formula space group ippol koolitsh thante kandethalukalil vivarichathinu thulyamayathinaal ithu ima amgeekarichu.
paraspara valarchaye adisthaanamaakkiyullava.
irumbu phosphettukalumaayi kid velaittin epitaaksiyal intergrothukal undennu niravadhi rachayithakkal report cheythu. 1978ll germmaniyile rotloufchen khaniyil dietrich hydrothermaly mattappetta rockbridjaittinte mukhathu kid velaitt soochikal kandethi. 1985ll nameebiyayil ninnu samanamaaya oru kandethal keller report cheythu, avide naarukalulla kid velaittinte valarchaye adisthaanamaakkiyulla pazhaya roock bridjaittukal addeham kandethi. 1995ll, vaalanta dufferenite paralukale avayude agrathil kid velaittayi tharamthirikkunnathayi vivarichu. melpparanja dhaathushaasthranjan-avaril-2001-ll, fibrus kid velaitt labmaanaittaayi tharamthirikkunnath nireekshichu. kid velaittinteyum loubmaanaittinteyum ghadanayum mattu naarukalulla irumbu phosphettukalum thammilulla samanathakal report cheyyappetta epitaaksiyal intergrothukale vishadeekarikkunnu.
kandethalum pradeshavum.
arkkansaasile novaculite nikshepangalil ninnu moorum ittoyum kidvelitine vivarichu. dhaathuvinte niravadhi sambhavangal undengilum, melpparanja rund dhaathushaasthranjar nadatthiya padanamallaathe kid velaittin athinekkurichu kooduthal padanangalonnumilla. ithu avasana ghattathilullatho dvitheeya dhaatuvo aanu. ithu saadhaaranayaayi phoosphett vahikkunna irumbu nikshepangalil, beronite, rockbridjite ennivaykku pakaramaayi sambhavikkunnu. amerikkayile arkkansaasil koonn creak khaniyilum polkku kaundiyile three ookku vidavilum kidwelight kaanapedunnu. alabama, brazeel, namibia, englandu, jarmmani, austreliya, koodaathe mattu chila raajyangalilum ithu kaanapedunnu. rockbridjite, beraunaitt, strombite, cocoxenite, chalcosiderite, eleonorite, duffrenite ennivayumaayi ithu bandhappettirikkunnu.

