
pyroxenite

pyroxine groupile agaitt, diopside, hyperstein, bronsaitt allengil enstaattait thudangiya daathukkal adangiya oru ultramaphic ignius paarayaan pyroxenite. pyroxeniteukale clinopyroxeniteukal, orthopyroxeniteukal, rund tharatthilulla pyroxinukalum adangiyirikkunna webstaraittukal enningane tharamthirickunnu (chuvadeyulla rekhaachithram kaanuka). eee grouppumaayi adutha bandhamullah honblenditeukal pradhaanamaayum honblendum mattu ubhayadhruvangalum ulkkollunnu.
chila pyroxeniteukal skotlandile metamorphic levisian complexil ulppeduthiyittundile avaa adisthaanaparamaayi agni uthbhavamaan. pyroxine-honfels facies ennariyappedunna kondaakt mettaamorphisathinte falamaayundaakunna pyroxine sambushtamaaya paarakalkk silicius sediment allengil basaltic protolithukalundu, avaa yathaakramam mettaapelaittukalum metabasaittukalumaanu.
nuzhanjukayattavum mantle pyroxeniteukalum.
ignius pyroxeniteukal feldspaarinte abhavathaal vyathyaasappedunna gabrozumaayum noraittukalumaayum 40 sathamaanathiladhikam olivain adangiyirikkunna peridottaittukalumaayum adutha bandhamullavayaan. eee bandham avayude sambhava reethiyum soochippikkunnu, kaaranam avaa saadhaaranayaayi gabbro, peridottait ennivayude pindathodoppam varunnu, apoorvvamaayi maathrame avaa svayam kandethukayulloo.
avaa palappozhum valare parukkan daanyangalaanu, avayil niravadhi inch neelamulla vyakthigatha paralukal adangiyirikkunnu. olivain, feldspar ennivaykku purame, chromite mattu spinalukalum, gaarnett, magnettaitt, rutail, scapolite ennivayaanu pradhana anubandha daathukkal.
magma chembarinte adithattil pyroxine paralukal adinjukoodunnathiloode ultramaphic nuzhanjukayatangalil pyroxeniteukal kumyulettukalaayi roopappedaam. ivide avaa saadhaaranayaayi gabbro, anorthite cumulate paalikal ennivayumaayi bandhappettirikkunnu, avaa saadhaaranayaayi nuzhanjukayattathil uyarnnathaan. avaykkoppam magnettaitt paalikal, ilmenite paalikal enniva undakamenkilum apoorvvamaayi kromait kumyulett cheiyunnu.
peridottaittinte pindatthinullile paalikalaayum pyroxeniteukal kaanapedunnu. eee paalikale saadhaaranayaayi mukalile aavaranathinte aarohana maagmakalum peridotaittum thammilulla prathikaranatthinte uthppannangalayi vyaakhyaanikkunnu. paalikal saadhaaranayaayi kurachu centimeter muthal oru meter vare kanamullavayaanu. basaltilum kimberlightilum senolithukalaayi kaanapedunna pyroxeniteukale atharam paalikalude sakalangalaayi vyaakhyaanichittund. chila maantil pyroxeniteukalil gaarnett adangiyittundengilum avaa eclogitukalalla, kaaranam avayile clinopyroxine oomfaasaittinekkaal soodik kuravaanu, koodaathe pyroxenite ghadana saadhaaranayaayi basaltil ninnu vyathyasthamaan. bassault uthbhavathil pyroxeniteukal oru pradhana punk vahichekkaam (udha.jii.lambart thudangiyavar.2016), magma ulppaadanathinu nerittu sambhavana cheytho allengil parokshamaayi peridotaittum magma thammilulla prathikaranatthinte falamaayi eklogaittinte bhagika urukalil ninnu uruthirinja (udha.jii., sobolev mattullavarum, 2007).
pyroxenite lavakal.
pyroxine vahikkunna agniparvvatha parakal apoorvamaanu, avaa spinifex-texture cheytha sills, laava tubeukal, archaean greenston belttukalile kattiyulla ozhukk ennivayil parimithappedutthiyirikku. ivide, inn-sittu chrystalisation laava ozhukkinte adithattil pyroxine adinjukoodiyathum prathyeka spinifex ghadana srishtikkunnathum, ennaal idaykkide mesocumulate, oorthokumulettu verthirivukalum vazhi pyroxenite lavakal srishtikkappedunnu. ithu saaraamshathil komattaitt laava ozhukkil olivain spinifex textureukalude roopeekaranathinu samaanamaan, magmayude rasathanthram pyroxine christalisatione anukoolikkaan maathram vyathyaasappettirikkunnu.
padinjaaran australiyayile marchisan mekhalayile gullewa greenston belttum laavarttaninaduthulla duketon belttum oru tharam pradesamaanu, avide pyroxine spinnifex lavakal swarnna nikshepavumaayi adutha bandhamullathaan.
vitharanam.
avaa palappozhum gabroilum peridotitilum daikkukaludeyo verthirivukaludeyo roopathil sambhavikkunnu shetlaandilum, hudson nadiyile courtlandilum, north carolinayilum (webstarait), baltimorilum, nyoosilandilum, saxonyilum. dakshinaafrikkayile bushweld ignius complexilum simbabweyile grettu daikkilum iva kaanapedunnu.
kuranja thapanilayil retrograde mettaamorphisathinum kalavastha vyathiyaanathinum keezhil pyroxeniteukal palappozhum sarppanivalkaranathin vidheyamaan. parakal palappozhum poornnamaayum sarppathakaral maattisthaapikkappedunnu, avaa chilappol praadhamika daathukkalude yadhaartha gadanakalaaya hyperstheeninte lamination, ogaittinte chathuraakrithiyilulla pilarpp enniva samrakshikkunnu. sammarda-roopaanthareekaranathin keezhil honblend vikasippikkukayum vividha tharam amphibolite honblend-shisttum uthppaadippikkukayum cheiyunnu. idaykkide pyroxine adangiya parakal nephelin sainaittinte adisthaana mukhangalayi kaanapedunnu; skotlandile loach boralan ignius complexil kaanapedunna "borolanite" inavumaayi bandhapetta melanite pyroxeniteukal oru nalla udaaharanam nalkunnu.

