
aragonit samudram

aragonite samudramlo aragonite mariyu adhika-magnitium calcite untaayi, ivi praadhamika akarbana calcium carbonate avakshepam. aragonite samudram erpadataaniki samudrapu neeti rasayana paristhitulu calcium (adhika mg/ca nishpatti) kuu sambandhinchi magnitium contentlo mukhyamgaa ekkuvagaa undaali. idhi samudrapu kaalsitku viruddhamgaa untundi, dheenilo samudrapu neetilo calcium (takkuva mg/ca nishpatti) kuu sambandhinchi magnitium content takkuvagaa untundi, idhi praathamika akarbana samudra calcium carbonate avakshaepamgaa takkuva-magnitium calcit erpadataaniki anukuulamgaa untundi.
prarambha paleozoic mariyu madhya nundi chivari varaku mesozoic mahaasamudraalu pradhanamgaa calcit samudraalu, ayithe prarambha mesozoic mariyu senozoic (netitho sahaa) dwara madhya paleozoic aragonit samudraala dwara vargeekarinchabaddaayi.
aragonite samudraalu aneka kaaranaala valla sambhavistaayi, veetilo atyanta spashtamainavi adhika samudrapu neeti mg/ca nishpatti (mg/ca> 2), idhi nemmadigaa samudra mattam vyaapti chendutunna vyavadhilo sambhavistundi. ayithe, parisara vyavastha yokka samudra mattam, ushnograta mariyu calcium carbonate santrupta sthithi kooda calcium carbonate (aragonite, takkuva-magnitium calcite, adhika-magnitium calcite) yokka yea polymorph erpadutundo nirnayistundi.
adevidhamgaa, calcit samudraala sambhavaanni aragonite samudraalanu niyantrinche kaarakaala suut niyantristundi, atyanta spashtamaina samudrapu neeti mg/ca nishpatti (mg/ca <2), idhi vegavantamaina samudra mattam vyaapti chendutunna viramalalo sambhavistundi.
biogenic mariyu abiogenic carbonatela rasayana saastraanni chudatam, vaati kalakramam mariyu avi erpadina paristhitulanu vislaeshimchadam dwara eee dhorani gamaninchabadindi. vividha adhyayanalu eee sambandhaalanu pariseelinchi, phenerozoic samayam antataa biogenic (pradhana carbonate avakshepam mariyu raathi-erpade jeevulu) mariyu abiogenic samudra carbonatelu (sunnapurayi mariyu maarlu) rendinti khanija shaastram saadhaaranamgaa bhoogarbha recordulo (dravam cherikalu) haalait sphatikaalalo chikkukunna puraatana samudrapu neeti utpannaala nundi punarnirminchabadina samudrapu neeti magnitium/calcium nishpattula nundi aasinchina calcium carbonate khanijaalato samakaaleekarinchabadindani nirdharinchaayi.