
hridayamidippukal

kaanadayile britiish kolambiyayude vadakkan ulbhaagathulla oru parvathanirakalaanu yadhaarthathil hart parvathangal ennariyappettirunna hart peekkukal. telegraph kreekkinte cheria samoohathinte vadakkupadinjaarum kaalisan raanchinte thekkupadinjaarumaanu ithu. padinjaaran stikkin peedabhoomiyude bhagamaaya nahlin peedabhoomiyile chuttumulla bhooprakrithiykku mukalilaanu ithu uyarunnathu. 1980kall muthal vilayeriya lohangal kandethiyathode hridayashikharangal prathekshikkunna oru mekhalayaanu.
agniparvvatha pravartthanangalude oru valia pradeshathu sthithi cheiyunna hridayashikharangalil oru valia sheeled agniparvvatham adangiyirikkunnu. kazhinja 23 dasalaksham varshangalil laavayudeyum paarayudeyum aavarthichulla pottitherikaliloodeyaanu ithu roopappettathu. ennirunnaalum, innathe spodanangal nireekshikkappettilla. bandhapetta niravadhi agniparvvathangal hridayashikharangalodu chernnu neendunilkkunna oru vipulamaaya agniparvvatha mekhalayaanu. hridayashikharangalekkurichulla arivu parimithamaanu, prathyekichu athinte pottithericha charithram.
bhoomishaasthravum bhoomishaasthravum.
krameekaranam.
britiish kolambiyayile prins rupert nagarathinu vadakku ninnu yookkon vazhi alasca athirthi vare vyaapichukidakkunna oru neenda agniparvvatha shringalayaaya vadakkan cordillaran agniparvvatha pravishyayude bhagamaanu hridayashikharangal. eee rekhayil vadakke american plate pottitherikkukayaanu. bhoomiyude lithosphere niravadhi valia tectonic plettukal adangiyirikkunnu, avaa pathukke parasparam akannupookukayum parasparam samyojippikkukayum cheiyunnathum allengil vyathichalikkukayum villal varuthukayum cheiyunnu; agniparvvathangalum bhookambangalum eee pravarthanangaliloode srishtikkappedunnu. vadakke amerikkayude padinjaaran theeram valia pasaphik, vadakke american plettukalkkidayilum cheria juvan dii fuca, coco plettukalkkidayilumal plate arikukalude sthalamaanu.
britiish kolambiyayudeyum thekkukizhakkan alascayudeyum vadakkan theerathe tectonic pravartthanatthinte savisheshatha vadakke american plate pasaphik plate skidukal cheiyunna plate athirthiyaaya kween charlot foltinte parivartthana chalanangalaan. pasaphik plate vadakkott aleusian subduction sonilek neengumbol, athu vadakke american bhookhandathil villalukal srishtikkunnu. villal srishticha villalukaliloode magma uyarukayum oduvil uparithalathil pottitherichu oru agniparvvatham roopappedukayum cheiyunnu. eee bhoomishaasthraparamaaya prakriya kaalakramena kaanadayile ettavum sajeevamaaya agniparvvatha pradeshamaaya vadakkan cordillaran agniparvvatha pravishya srishtichu. ennirunnaalum, mikka agniparvvathangalum ethratholam sajeevamaanenn thirichariyaan vendathra vishadaamshangal nalkiyittilla, ithu agniparvvatha sambhavangalude pravachanam budhimuttaakkukayum agniparvvatha apakadangal anishchithathvathilaakum cheiyunnu.
ghadana.
eathaandu oval aakruthiyilulla hart peekkukal sheeled agniparvvatham bassault, trachy bassault enniva kondaanu nirmmichirikkunnathu; pyroclastic paarakalum undu. valare valia parvathashilpathinu padinjaarum cady agniparvvathangalude thekkupadinjaarum ithu sthithicheyyunnu. porphyritic riolite cheria trackite chernna kuthaneyulla vashangalulla laava thaazhikakkudangalude oru parambara hridayashikharangalude padinjaaran vashath sthithicheyyunnu, ilam pacha, pink thudangiya nirangal pradarshippikkunnu. rayoolitik laava thaazhikakkudangalum athinte kodumudiyil undu. vadakku padinjaaru taaku nadiyilekku ozhukunna inkin nadiyude poshakanadikalaal paricha chuttappettirikkunnu.
hridayashikharangal kuranjathu neelamullathum athinte adithattil veethiyil koodaathathumaanu. agniparvvathathinte padinjaarum kizhakkum vashangal verthirichedukkukayum parukkan roopam nalkukayum cheiyunnu. ennirunnaalum, athinte vadakku vasham vrithaakruthiyilullathum thaarathamyena minusamaarnnathumaayirikkumbol thekk vasham nere choondunnu. hridayashikharangalude ettavum uyarnna uyaram ekadesham athinte kodumudiyude peedabhoomiyude madhyathilulla oru cheria kodumudiyilaanu, athesamayam nahlin peedabhoomiyude praadeshika uyaram. hridayashikharangalkku kuranjathu sthalaakrithi praadhaanyamenkilum undennu ithu soochippikkunnu. agniparvvathathil ninnu perillaattha 20-ladhikam aruvikal ozhukunnu, avaa aduthulla dudidondu, shesley nadikalilekku ozhukunnu.
ekadesham vistheernavum athil kuranja alavum ulla, vadakkan cordillaran agniparvvatha pravishyayile moonnaamathe valia agniparvathamaanu hridayashikharangal, ithine marikadannu edsisa parvvathavum athil kooduthal parvatha sheeldukalum undu. thekkupadinjaaran britiish kolambiyayile moundu meejar maasifinekkaal anjirattiyaanu hridayashikharangal, ithu garibaldi agniparvvatha valayathile voliyathinte kaaryatthil ettavum valia straattovolkkaanoyaan.
hridayashikharangalkku chuttumulla pradesham pradhaanamaayum avikasithamaanu, kaalisan ranch maathramaan eaka pradesham. paarakkettukalulla peedabhoomi vishalamaaya kodumudiyayathinaal agniparvvathathile sasyajaalangal pradhaanamaayum athinte vashangalilaan. atlin, dees thadaakangalile cheria kammyoonittikalil ninnu helikopttar vazhi hridayashikharangalilekku athicheraam.
spodanaathmakamaaya charithram.
pashchaathalam.
shaasthranjar vishadamaayi padikkaathathinaal hridayamidippukalude pottitheri charithrathekkurichu valarekkurache ariyoo. hridayashikharangalude krithyamaaya praayam ariyillengilum athinte aadya agniparvvatha ghattam niyojen kaalaghattatthilaanu (23 muthal 25 dasalaksham varshangalkk munbu) sambhavichathu. hridayashikharangalile agniparvvatha nikshepangalude vaividhyam soochippikkunnathu draavakavum nishkriyavumaaya basaltic laava ozhukkukal mathramalla, silica sambushtamaaya trackite, rhiolitic lavakal, sphodakavasthukkal enniva ulppaadippikkunna charithravumund ennaanu. agniparvvathathil frettik breshyakal kaanapedunnu, ithu athinte pottitheri charithrathiludaneelam oru thavanayenkilum frettik pottitherikal undaayittundennathin thelivukal nalkunnu. sub glacial pottitherikal srishticha savisheshathakalum undu. hridayashikharangalile ettavum puthiya agniparvvatha ghattam pradhaanamaayum plistoseen (25 laksham muthal 10,000 varshangalkk munbu vare) praayatthil ullathum avasana ghatta holocene (10,000 varshangalkk munbu muthal innuvare) pravartthanam anishchithathvathilaanu. agniparvvathathil holocene agniparvvatha parakal undo ennu ariyaathathaanu ithinu kaaranam. ennirunnaalum, hridayashikharangalile avasaanathe pottitheri anjjaathamaanu.
finley tephras.
vadakkan cordillaran agniparvvatha pravishyayile naalu agniparvathangalil onnaanu finley tephras pottitherichathaayi soochippikkunnathu. vadakkupadinjaaran britiish kolambiyayiludaneelam sthithi cheiyunna iva kizhakk canaden rokkikal vare vyaapichukidakkunnu. finley nadiyilum dees thadaaka pradeshangalilum, manal, cheli, cheli, charal ennivaykkidayilaanu rund tefra nikshepangal sthithicheyyunnathu. avaa randum phonolitic muthal traachittik vare ghadanayum irumbu (ii) ooksaid kooduthalumaanu, ithu tephras orotta agniparvvathathil ninnu pottitherichathaakaamenna soochippikkunnu. ettavum praayam kuranja finley tefra nikshepathinu thottumukalil sthithicheyyunna praadeshika sasya macrophosilukal radiocarbon varshangal pazhakkamullathaanu. ithu soochippikkunnathu finley tephrakal holocene kaalaghattatthinte aadyakaalamaanennum praadeshika fraser himanivalkkaranam pinwangi taamasiyaathe nikshepikkappettathaane.
kuranjathu 100,000 varshangalkk munbu upa-manjumalayayi roopappetta paranna mukalil sthithicheyyunna agniparvathamaaya hoodoo parvathavumaayi saamyamulla gadakangalaal nirmmithamaan finley tephrakal. athinte thekk vashathulla rund phonolytic laava pravaahangal 10,000 muthal 9,000 varshangalkk munbu pottitherichu, avaa glaciat cheyyaathe thudarunnu. finley tephraasukalude glass gadanaykku samanamaaya rasathanthramaanu avaykkullathu. ennirunnaalum, eee laava ozhukunna athe samayam pottithericha hoodoo parvathatthil tephrakalo pyroclastic paarakalo kandethiyitla. athinaal, mattu saadhyamaaya srothassukal nirddeshikkappettittund. moundu edsisa agniparvvatha samuchayathil, plistoseen kaalaghattatthinte avasaanavum aadyakaala holocene yugavum vare saadhyathayulla basaltukal kandethiyittundengil avayude krithyamaaya praayavum raasaghadanakalum athra ariyilla. hridayashikharangalum aduthulla parvatanirayum moshamaayi padichathinaal avayil holocene kaalaghattatthile agniparvvatha parakal undo ennu ariyilla, avaa finley tephraasukalude saadhyamaaya uravidangalumaanu.
manushyacharitram.
peru.
1930 leeii bisi gasatteeril massif sthaapikkunna kordinettukalode "hart moundans" enna peru sweekarichu. pinneedu 1947 meyy 6nuu ithine "hart peekkukal" ennu punarnaamakaranam cheyyukayum kordinettukal mechappeduthukayum cheythu. perukalude uthbhavam rekhappeduthiyittillaathil anjjaathamaanu. britiish kolambiyayile mattu niravadhi parvatha savisheshathakalum 1947-ll avayude peru maatti, yadhaarthathil "mazhavillu parvathangal" ennu perittirunna mazhavillu parvathanirakal. hart peaks" enna peru audyogikamaayi sheeled agniparvvathathinu mukalil sthithi cheiyunna rund cheria kodumudikale soochippikkunnu. sheeled agniparvvathathil orotta bhoopradesam adangiyirikkunnathinaal athinte kodumudiyile rund kodumudikalkku "hart peekkukal" enna peru audyogikamaayi nalkiyathinaal, ashayakkuzhappam ozhivakkaan ithu chilappol "hart peak" ennariyappedunnu. shaasthreeya rekhakalilum bhoomishaasthraparamaaya bhoopadangalilum hridayashikharangal "echpi" ennum ariyappedunnu.
dhaatu paryaveshanangal.
1980 muthal dhaatu paryaveshana mekhalayaanu hridayashikharangalude padinjaaran vasham. 1980 ll arjilik altermation mekhalaykkullil svarnnamulla quarts sirakalude oru parambara kandethi. 1982ll niravadhi jio kemikkal mannu sarvekal nadathukayum athupole thanne aparyapthamaaya kaii thurankavum scree, paara sampling nadathukayum cheythu. 1983ll valare kuranja aavruthiyilulla vaidyuthakaanthika sarvekal eee pradeshathu sarway poortthiyaakki. 1984-leeii diamond drilling paryavekshanam ettu vishalamaaya akalamulla drill dwaarangal srishtikkaan kaaranamaayi, athesamayam rekhakalillaatha diamond drilling prograam 1987-ll rund dwaarangal srishtichu. 1996-ll yunaittad stetts diamond korppareshan kanatha dhaatu cheli sampling testt induced polaraiseshan survey nadathunnathuvare paryaveshanangal punaraarambhichilla; rund diamond drill dwaarangalum srishtichu. eee dhaatu paryaveshanangalellaam nadannathu oru pradeshathe ulkkollunna hridayashikharathinte sthalathaanu. poornnamaayum collado resources limittadinte udamasthathayilulla ezhu dhaatu avakaashavaadangal ithil ulppedunnu. vadakkott neengunna oru graban ghadanayum neelavum veethiyumullathum eee vasthuvine murichukadakkunnu.
nireekshanam.
vadakkan cordillaran agniparvvatha pravishyayile mattu agniparvvathangaleppole, magma sisttam ethratholam sajeevamaanenn nirnnayikkaan kaanadayile bhoomishaasthra sarway hridayashikharangale vendathra sookshumamaayi nireekshikkunnilla. ithu oru vidoora pradeshathaanu sthithicheyyunnathu ennathinaalum kazhinja noorukanakkinu varshangalayi kaanadayil valia spodanangalonnum nadannittillennathinaalum bhaagikamaayi ithu sambhavikkunnu. thalphalamaayi, sunami, bhookambam, mannidichil ennivayulppedeyulla mattu prakrithi prakriyakale kaikaaryam cheiyunnathinekkaal agniparvvatha nireekshanatthinu praadhaanyamilla. hridayashikharangalil aduthide bhookambangalonnum undaayittillenn ariyappedunnu. ithu pottitherichaal uparithalathinu thazheyaayi uthbhavikkan saadhyathayulla cheria bhookambangalude koottangal polulla aazhchakal, maasangal allengil varshangalude munnariyipp adayaalangal undakam. avaa saadhaaranayaayi aalukalkk anubhavappedaan kazhiyaathathra cheruthaanu, ennaal tectonic bhookambangal nireekshikkunnathinaayi nilavilulla seismographukalude shringhala sthaapichittundu. ennirunnaalum, seismograph shringhala valare akaleyaan, parvathathinu keezhil enthaanu sambhavikkunnathenn nalla soochana nalkaan kazhiyilla. agniparvvatham valare aswasthamaakukayaanengil bhookamba pravarthanangalil vardhanavu anubhavappettekkam, pakshe ithu oru supradhana pottitherikku munnariyipp nalkum. agniparvvatham pottitherikkaan thudangiyaal maathrame athinte pravartthanam kandethanakoo.

