
theneecha

phosilukalile carbonate dhaathukkale maattisthaapikkunna silikkayumaayi saadhaaranayaayi bandhappettirikkunna chalsedony oru vyathiriktha roopamaanu theneecha.jii. pavizhapputtinte mukal bhagam chithreekarichirikkunnu).
microcrystalline kwaartsinte cheruthum kendreekrithavumaaya valayangalayi (silindarukal, deerghavrithangal allengil 3 dii yill golangal) amgeekarikkappetta theneechaye henry beak aadyamaayi bhoomishaasthranjarude shradhayilppeduthiyathiyi rekhappeduthiyittundu, orupakshe torbake chuttumulla padanangalil ninnu. aadyakaala padanangal thomas mckenny hyoos, inn devon, aarr enniva report cheythu. australiyayile eetharidj.
devonile silicified fosilukalude (prathyekichu brachiopodukal) tafonamiyekkurichulla oru patanam, aadyakaala diagenesisil silikkayude parimithamaaya vitharanamulla oru anthareekshathil jaivavasthukkalude aerobic vighadanathinte falamaayi theneechayennu nigamanam cheythu. mattidangalil, theneechaye silkrettumaayi thaarathamyam cheythittundu, ithu central anattoliyayile paleosene aluval phaan nikshepangalile carbonate paarakalude koottangalil encrestationukalaayi sambhavikkunna avashishtangalude villaline soochippikkunnu.

