
manson crater

manson bilam anedi ayovaloni manson pradaesaaniki sameepamlo unna oka prabhava bilam, ikkada critatius kaalamlo oka grahasakalam ledhaa commet kendrakam bhoomini taakindi, sumaru 74 Ma. idhi uttara americalo jarigina atipedda prabhava sanghatanalalo okati. isotopic yugaalu idhi chaalaa paatadani niroopinche varaku idhi dinosaurla antarinchipovadaaniki daariteesindani gatamlo bhaavinchaaru.
vivarana.
himanadeeya praantam dwara saapekshamgaa iteevali coverage kaaranamgaa uparitala aadharalu laevu, mariyu bilam khananam cheyabadina pradaesam ippudu chadunaina prakruti drushyam. conny, uparitalam krinda daachina vyaasamlo khananam cheyabadina nirmaanam undhi. idhi pocahontas county yokka aagneya muulaloe undhi mariyu moodu prakkane unna kounteela bhagala krinda vistarinchi undhi. 1912loe vaikalyamtho kuudina raathi asaadhaarana neeti baavi drill kothalu, "karigina maatrukato kuudina spatikaakaara clast bressia" nundi eee praantam kinda oka asaadhaarana nirmaanam undani taruvaata nivedika vivarinchindi. 1955loe oka parisoedhana daryaaptu praarambhinchabadindi, mariyu dheeniki "cryptovolcanic nirmaanam" (oka oohaatmaka agniparvata aaviri paeludu) anie paeru pettaru. robbert ess tadupari daryaaptu chepattaru. 1959loe prabhava muulaanni pratipaadinchina dietz mariyu 1966loe nicolus chetha short, athanu shocked quartz dhaanyaala aadhaaraalanu roopondinchaadu, idhi nirmaanam yokka prabhava muulaanni dhruveekarinchindi.
1991 mariyu 1992loe yuu.ess. ayova geological sarvetho sahaa itara bhougolika sarvetho paatu, cretatius-polyogene vilupta sanghatanatho manson bilam yokka sambhaavya sambandhaanni pareekshinchadaaniki kontavaraku vivaranaatmaka parisoedhananu nirvahinchindi. prabhava nirmaanam nundi core yokka/isotope nishpatti sumaru 74 maa vayassu, ledhaa keey-tii sarihaddu kante 10 maa paatadi.
eee prabhaavakaari sumaru vyaasamlo raathi ulkagaa pariganinchabadutundi. aaa samayamlo eee pradaesam lotuleni lothattu samudram, paschima antargata samudram yokka teeram. eee prabhavam precombrian neelamaaligalooni granite, nais mariyu shales, alaage cretatius dwara devonian ayina paleozoic yugam yokka avakshepana nirmaanaalaku antaraayam kaliginchindi. migilina ayova gatti neetini andinche sunnapurayi poralu takshaname neelamaaliga raallaku aaviraipoyaayi, idhi maansanku eee roeju unna asaadhaaranamaina mruduvaina neetini istundi.