
igvisi kunnukal

tansaniayile tabora mekhalayile kaliyawa jillayile oru agniparvvatha mekhalayaanu igvisi kunnukal. laavayude ozhukkumaayi bandhapetta moonnu tuff konukal avide kaanapedunnu. bhoomiyil orupakshe kimberlitic laava ozhukunna churukkam chila sthalangalil onnaanith.
mattu tanzanian agniparvathangalil ninnu akale tanzania krettaninte madhyathilaanu agniparvvathangal sthithi cheiyunnathu. ennirunnaalum, krettanil kimberlitic agniparvvathathinte muun episodukal undaayittund.
igvisi kunnukalude praayam valare kuravaanengilum aadyakaala holocene-avasana plaistoseen aayirikkam. mazha moolamundaakunna chila rasaparishkkaranangal kandethiyittundu, koodaathe kunnukalkk savisheshamaaya sasyajaalangalund.
bhoomishaasthram.
tanzania krettaninte madhyathil roopappetta moonnu tuff konukalaal igvisi kunnukal roopappedunnu. avaa oru kaarst roopaghadanayum pullu kondu moodappetta garthangalum ulla bhooprakrithiyude mukalilaanu, thaazhnna ridjil ithu aadyakaala pottitheri ghattangalude uthppannamaayirikkam. vadakkukizhakkan kunninte rund garthangalundu, onnu oru neenda laava ozhukk uthbhavikkunna oru villal, orupakshe garthatthile oru laava thadaakam oru villaliloode rakshappettappol roopappettathaakaam. madhya agniparvvathathinte garthatthil oru laava kooliyum oru tefra konum undu. garthangalkku vyaasamund. eee konukalude aake alavu ithinekkaal kuravaanu. durbalamaaya pyroclastic pravartthanavum orupakshe pottitheri pravarthanathodoppam undayirikkaam. kuranja theevrathayilulla spotaka pravartthanangal vadakkukizhakkan konil ninnu aarambhich thekkupadinjaaran konil avasaanikkunna konukal nirmmichathaayi karuthappedunnu. pinneedu laavayude ozhukk srishtikkappettu.
lokathile oreyoru sthalamaaya igvichi kunnukalil maathrame kaalsait-oleevain laavakalude roopathil kimberlight laavayude ozhukk kandethiyittulloo. mannolippinu valare saadhyathayulla apoorva inamaaya kimberlight tuffukalum kaanapedunnu. yadhaartha kimberliteukal saadhaaranayaayi valare pazhaya pottitherikkunna paarakalaanu, thalphalamaayi uparithalathinu thaazheyulla agniparvvatha ghadana valarekkaalamaayi illaathaayittundu. eee kimberliteukal valare sphodanaathmakamallaatha reethiyilaan pottitherichathu. benfondane "kimberliteukal" eee swath igvisi kunnukalumayi pankidunnundenkilum eee lavakal kimbarlaittukalaanennu ellah gaveshakarum sammathikkunnilla, ennirunnaalum kuranja kshara ulladakkam oru vyathyaasamaayi udharikkappedunnu. igvichi kunnukal yadhaartha kimbarlaittukalallenkil, adutha ettavum praayam kuranjathu demookratik republic oof kongoyile 32.3 ± 2.2 maa kundelungu peedabhoomi paippukalayirikkum.
muppath dasalaksham varshathilereyaayi lokathile ettavum praayam kuranja kimberliteukalaanu eee kimberliteukal, olivaininte cosmogenic healium-3 theeyathikal soochippikkunnathu avaa plistoseen-holocene kaalaghattatthinte avasaanathilaanu pottitherichathennu soochippikkunnu, chilath soochippikkunnathu 11,200 ± 7,800 ± umm 12,400 ± 4,800 umm aanu. oru mosham parimithappedutthiya yuu-pibi theeyathi 0 ± 29 dasalaksham varshamaan. konukal oru yuva roopaghadana pradarshippikkunnu. basement bhoopradesam 2,500 ± 100 dasalaksham varsham pazhakkamulla dodoman shreniyil pedunnu. kunnukal matellaa tanzania agniparvathangalil ninnum vidooramaanu, ennaal kizhakkan aafrikkan villal samvidaanam krettanil adichelppicha tectonic sammarddangal avayude uthbhavathil oru punk vahichittundaakam. tanzania krettanile muun kimberlight pravartthanam 1,150,189,53 dasalaksham varshangalkk munbu rekhappeduthiyittundu.
tuffukal uyarnna kaalsittik, vesicular, koodaathe niravadhi microxenolithukal adangiyirikkunnu. petrologically samanamaaya lavakal ozhukkum guruthwaakarshanavum anusarichu vyathyaasathinte thelivukal kaanikkunnu, koodaathe trackitic textureukalumundu. laavakalkk carbonatic gadanayundu. diopside korukalulla olivainukal igvisi kunnukalil kaanapedunnu. gaarnettum orthopyroxinum diopsidemaayi bandhappettirikkunnu. olivainukalkk chuttum kromait undu. olivainukal igvisi paarakalude ghadanaye savisheshamaakkunnu, avide avaa golaakrithiyilulla ulppeduthalukal roopappeduthunnu. oleevinukal pradhaanamaayum ghadanayil forsterittik aanu. asthikoodam, stelettu aragonite, kaalsait enniva kimberlightil ulppeduthiyittundu. paarayil uyarnna saandrata kaanapedunnu, ithu urukalinte depolymerisation, athinte draavakatha vardhippikkal, effusive pravartthanam ennivaykku kaaranamaayittundaakam. peridottait senolithukal aazhathil ninnaan uthbhavikkunnath. madhya lithosphere ninnu uthbhavikkunna dunite noduleukal ulla krasttal malineekaranam vipulamaayirunnuvennu groundmaasile spinelukal soochippikkunnu, ennaal pakaram isotope daatta kuranja malineekaranathe soochippikkunnu. uyarnna marddathilum (aazhathil) samathulithamaaya thapanilayilum oru uthbhavam jio kemistry soochippikkunnu. mazha pinneedu pyroclasticsine parishkarikkukayum dvitheeya kaalsait roopappedukayum cheythu, athesamayam kuranja praveshanakshamamaaya laava pravaahangal kuranja parishkkaranamaayirunnu.
malanirakalk savisheshamaaya sasyajaalangalund, garthangalude naduvil jalasasyangalum akathe garthangalude charivukalil vyathirikthamaya sasyajaalangalum kaanapedunnu. aslepias seudoamabilis" enna apoorva sambhavamaan kunnukalil nadakkunnathu.

