
badey cumm-katarani-gati vaale praant

badey cumm-katarani-gati vaale praant, llsvps, jinhen llvps yaa superploom bhee kahaa jaataa haye, prithvi key sabse nichale aavaran (baahari kendra key aspas key kshetra) key hisson kii visheshta sanrachanaaen hain. inn praanton kii visheshta dheemi katarani tarang wegg haye aur inhen gahari prithvi kii bhookampiya tomography dwara khoja gayaa thaa. dou mukhya praant hainh african llsvp aur prashant llsvp. donon paarshv roop seey hajaaron kilometres taka aur sambhavatah core-mental seema seey urdhvaadhar roop seey vistaarit hain. prashant llsvp paar haye, aur chaar hotspot key neeche haye joe neeche kaee mental plume kaa sujhaav dete hain. yeye kshetra aavaran kii matra (prithvi kaa 6 pratishat) key lagbhag 8 pratishat kaa pratinidhitva karate hain. llsvps key anya naamon mein "superwell", "thermo-chemical piles" yaa "chhipe hue jalaashay" shamil hain. haalaanki, inmein seey adhikansh naam unake prastaavit bhoo-gatikiya yaa bhoo-rasayanik prabhaavon kii adhik vyakhya karate hain. udaaharan key liye, "thermo-chemical dher" naam llsvps koo ushmiya roop seey germ aur/yaa rasayanik roop seey alag samagri key nichale-mental dher key roop mein vyakhya kartaa haye. llsvps abhee bhee apekshaakrit rahasyamay hain, aur unaki prakriti, utpatti aur bhoo-gatiki prabhaavon key baare mein kaee prashn baney hue hain.
bhookamp sambandhi baadhaaen.
llsvps koo shear wegg key poorna aavaran bhookampiya tomographic model mein africa aur prashant key neeche sabse nichale aavaran mein dheemi visheshtaon key roop mein khoja gayaa thaa. vastunishth key-mean clustering koo lagu karate samay inn visheshtaon kii seemaaen models mein kaafee susangat dikhaai detee hain. vaishvik golakar harmonic degree dou sanrachana majboot haye aur dou llsvps key saath jadata key apane sabse chhote kshanon key saath sanrekhit hoti haye. iska matlab haye, katarani tarang wegg kaa upayog karke, llsvps key sthaapit sthaan naa kewal satyaapit kiye jaate hain, balki aavaran samvahan key liye ack sthir pattern ubharata haye. yeh sthir vinyas satah parr plate gati kii jyaamiti key saath-saath aavaran samvahan key liye jimmedaar haye. degree too sanrachana kaa ack aur naam, core-mental seema key seedhe oopar nichale mental kii ack motey taur parr motee parat, dee ("dee double-prime" yaa "dee prime prime") haye. llsvps bhoomadhya rekha key chaaron or sthit hain, lekin jyaadaatar dakshini golardh mein hain. vaishvik tomography model swabhavik roop seey chikani visheshtaon mein parinam dete hain; shareer kii tarangon key sthaaniya tarang roop modeling, halanki, ney dikhaaya haye kii llsvps kii tej seemaaen hain.
seemaon kii teekshnata akele tapman dwara visheshtaon koo samajhaana mushkil banaati haye; wegg uchhaal koo samajhaane key liye llsvps koo sanrachanaatmak roop seey alag honey kii aavashyakta hoti haye.
chhote taraju parr atee nimn wegg kshetron kii khoj mukhya roop seey inn llsvps key kinaaron parr kii gaee haye.
thhos prithvi jwaar kaa upayog karke, inn kshetron kaa ghanatva nirdhaarit kiya gayaa haye. neeche key dou tihai aavaran key thoke kii tulanaa mein 0.5% ghaney hotey hain. haalaanki, jwaariya tomography yeh naheen kaha sakati kii atirikt dravyamaan kaise vitarit kiya jaataa haye. atee ghanatva adim samagri yaa samudra key talchhat key kaaran hoe sakata haye.
african badey cumm katarani wegg vaalaa praant dakshin atlantic visangati kaa ack sambhaavit kaaran hoe sakata haye.
sambhaavit utpatti.
ell. ell. aiss. vee. pee. aiss. kii utpatti aur dridhata key liye kaee parikalpanaaen prastaavit kii gaee hain, joe iss baat parr nirbhar karati hain kii kyaa praant vishuddh roop seey taapiya asangatiyon kaa pratinidhitva karate hain (i.ee. prakriti mein samarasayanik hain, aspas key aavaran key samaan rasayanik sanrachana key) yaa rasayanik asangatiyon kaa bhee pratinidhitva karate hain (i.ee. yeye prakriti mein ushmaagatikiya hain, joe aspas key aavaran seey alag rasayanik sanrachana key hotey hain).
yadi llsvps vishuddh roop seey taapiya asangatiyon kaa pratinidhitva karate hain, tou way germ, oopar kii or rahane vaale aavaran key megaplume key roop mein bunn sakate hain. haalaanki, bhoo-gatikiya adhyayanon mein yeh bhavishyavani kii gaee haye kii ack germ, cumm chipchipahat vaali samagri key samarasayanik utthaan seey lambe, sankeern plume kaa utpaadan honah chaahiye, llsvps mein dekhe jaane vaale badey, chaude plume key vipareet.
llsvps key liye vartamaan pramukh parikalpana adhomukhi mahasagariya slab kaa sanchay haye. yeh prashant llsvp key aspas key gyaat slab kabristanon key sthaanon key saath mell khaata haye. inn kabristanon koo prashant llsvp key aspas uchch wegg kshetra visangatiyon kaa kaaran maanaa jaataa haye aur maanaa jaataa haye kii yeye upa-khandon dwara banaae gaye they joe lagbhag 750 million saal pahale-supercontinent rodinia key failaav seey bahut pahale they. charan parivartan kii sahaayata seey, tapman aanshik roop seey slab koo pighalaata haye, ack ghaney bhaari pighalane key liye joe pool kartaa haye aur slab kabristan kii tulanaa mein llsvp key karib core-mental seema key neeche ultra low valocity zone sanrachanaon kaa nirmaan kartaa haye. rasayanik-prerit utplavan key kaaran baaki samagri koo oopar kii or leey jaaya jaataa haye aur madhya-mahasagar key katak parr paae jaane vaale besault key uchch star mein yogdan detaa haye. parinami gati core-mental seema key thheek oopar chhote plume key chhote samooh banaati haye joe badey plume banaane key liye sanyojan karati haye aur phir superploom mein yogdan karati haye. prashant aur african llsvp, iss paridrishya mein, mool roop seey core (4000 key) seey bahut thhande aavaran (2000 key) taka garmi key nirvahan seey banaae jaate hain, punarnaveenikaran lithosphere kewal eendhan haye joe superploom samvahan koo chalaane mein madad kartaa haye. choonki prithvi key mool key liye iss uchch garmi koo apane aap banaae rakhna mushkil hoga, isaliye yeh mool mein radiogenic nucleid key astitva key liye samarthan detaa haye, saath hii saath yeh sanket bhee detaa haye kii yadi upajaau nimn lithosphere superploom khapat key liye behtar sthaanon mein avachaalit honah bund curr detaa haye, tou yeh usa superploom key patan koo chihnit karega.
llsvps key liye ack doosara prastaavit mool yeh haye kii unakaa gathan vishal-prabhaav parikalpana seey sambandhit haye, joe bataata haye kii prithvi key ack grah key aakar key shareer key saath takaraane key baad chandrama kaa gathan huaa jise thiyia kahaa jaataa haye. parikalpana seey pataa chalata haye kii llsvps thiya key aavaran key tukade hain joe prithvi kii mool-aavaran seema mein doob gaye. aavaran key tukadon kaa uchch ghanatva prithvi key baaki aavaran key sambandh mein lohe (ii) oxide mein unake samvardhan key kaaran haye. yeh uchch lauh (ii) oxide sanrachana chandra namoonon key samasthaanik bhoo-rasayan key saath-saath llsvps key oopar sthit mahasagariya dweep besault key saath bhee susangat hogi.
gatishilata.
bhoo-gatik aavaran samvahan model mein sanrachanaatmak vishisht samagri shamil haye. samagri dhalanon yaa dheron mein beh jaati haye. jaba modeling mein yathaarthvaadi pichhali plate gati koo shamil kiya jaataa haye, tou samagri una sthaanon mein beh jaati haye joe llsvps key vartamaan sthaan key samaan hain. yeye sthaan mool khand mein ullikhit gyaat slab kabristan sthaanon key saath bhee mell khaate hain. iss prakaar key model, saath hii yeh avalokan kii llsvps kii degree dou sanrachana vaastavik dhruviya bhatakane key maarg key liye orthogonal haye, seey pataa chalata haye kii yeye aavaran sanrachanaaen badee matra mein samay key saath sthir rahee hain. yeh jyaamitiya sambandh supercontinent pangia kii sthiti key saath bhee susangat haye, aur neeche superwell seey mahadvipiya tootane key kaaran vartamaan bhoo-aakriti kaa gathan hotaa haye.
haalaanki, core seey garmi llsvps parr sthit superploom (oun) koo eendhan dene key liye aavashyak oorjaa koo banaae rakhane key liye paryaapt naheen haye. perovskite seey post-perovskite mein ack charan sankraman hotaa haye joe neeche kii taraf key slab (oun) seey hotaa haye joe ack ooshmaa-bahirgaman pratikriya kaa kaaran banata haye. yeh ushmiya pratikriya llsvp koo germ karane mein madad karati haye, lekin ise banaae rakhane key liye aavashyak kull oorjaa key liye yeh paryaapt naheen haye. isaliye yeh parikalpana kii gaee haye kii slab kabristan seey samagri behad ghanee hoe sakati haye aur euranium, thorium aur potasium mein samriddh pighalane vaale badey pool banaa sakati haye. inn kendrit radiogenic tatvon koo aavashyak uchch tapman pradaan karane key liye socha jaataa haye. isaliye, slab kabristanon kii upasthiti aur gayab honah ack llsvp key janm aur mrityu kii bhavishyavani kartaa haye, joe sambhaavit roop seey sabhi plate vivartanik kii gatishilata koo badal detaa haye.

