Nsomba zakufa zakale zopezeka pamapiri a Himalaya!

Asayansi amene akuphunzira nsonga ya phiri la Everest, phiri lalitali kwambiri pa Dziko Lapansi, apeza nsomba zakufa zakale ndi zolengedwa zina za m’madzi zimene zaikidwa mu thanthwe. Kodi zinatheka bwanji kuti mafupa ambiri a nyama zam'madzi apezeke m'madambo aatali kwambiri a m'mapiri a Himalaya?

Mapiri a Himalaya, omwe amadziwikanso kuti "Roof of the World", ndi mapiri akuluakulu omwe amafika pamtunda wodabwitsa, amachoka m'mitambo masiku ena. Mapiri a Himalaya ali ndi nsonga zazitali kwambiri padziko lonse lapansi, kuphatikiza phiri lamphamvu kwambiri la Everest, lomwe ndi lalitali mamita 29,029, zomwe zimapangitsa kukhala phiri lalitali kwambiri padziko lapansi. Pamalo okwera chotere, mpweya umakhala wochepa thupi, ndipo kutentha kumakhala koopsa. Dzikoli ndi louma komanso labulauni, ndipo zikuwoneka ngati zakhala choncho kuyambira pachiyambi. Koma ngakhale kuti zili pamtunda wa makilomita mazana ambiri kuchokera kunyanja yapafupi kwambiri, zokwiriridwa za m’madzi zapezeka m’malo angapo a m’mapiri a Himalaya, zomwe zikupangitsa munthu kudabwa kuti zinafika bwanji kumeneko.

Nsomba zakufa zakale zopezeka pamapiri a Himalaya! 1
Chithunzi choyimira. Zotsalira za nsomba za Cockerellites Liops pa Fossil Butte National Monument ku Wyoming, USA. © Pixy.org

Madontho olemera kwambiri a m'mapiri a Himalaya

Nsomba zakufa zakale zopezeka pamapiri a Himalaya! 2
Kee ku Spiti Valley, dera lokwera kwambiri la Himalayas, lomwe lili kumpoto chakum'mawa kwa dera lakumpoto la India la Himachal Pradesh. Dzina lakuti "Spiti" limatanthauza "Dziko lapakati", mwachitsanzo, malo apakati pa Tibet ndi India. Dothi la m’chigwachi lili ndi zamoyo zambiri za m’madzi. © Wikimedia Commons

Chigwa cha Spiti ku India ndi malo omwe amapezeka kwambiri kwa akatswiri a mbiri yakale padziko lonse lapansi. Chigwachi chili ndi umboni wochuluka wa zaka 540 miliyoni zapitazo. Midzi ya Komic, Mud, Hikkim, Langza, ndi Lalung ili m'mphepete mwa matope olemera kwambiri ku Spiti. Ku Nepal, ma ammonite, omwe ndi ma cephalopods am'madzi okhala ndi zipolopolo, amapezeka pamphepete mwa mtsinje wa Kali Gandaki. Anthu okwera phiri la Everest abweranso ndi miyala yomwe ili ndi zotsalira za maluwa a m'nyanja. N’zovuta kulingalira kuti mtunda waukulu umenewu wa malo ogwidwa ndi nyengo kale unali nyanja yabwino, yokhala ndi nsomba ndi zolengedwa za m’madzi zimene zimadzadza m’madzimo.

Kodi zikutsimikizira nkhani za m’Baibulo za chigumula chachikulu kukhala zolondola?

Nsomba zakufa zakale zopezeka pamapiri a Himalaya! 3
Chigumula (1840), chojambula cha Francis Danby, mbali ya Tate Gallery chosonkhanitsira, chomwe chimasonyeza momwe Chigumulacho chiyenera kukhala chinali chowopsya, ngati, ndi liti, chinachitika. Chitsime: Francis Danby / Zina mwachinsinsi

Kupezeka kwa nsomba zakufa pa nsonga za mapiri a Himalaya ndi chinthu chachikulu chomwe asayansi apeza chifukwa zikutsimikizira kuti nthawi ina madzi adaphimba matope okwera kwambiriwa. Kuzindikira kumeneku kumatsegula njira zatsopano zofunsira mafunso ndipo kumasonyeza kuti dziko lathuli lasintha kwambiri mbiri yake. Chiphunzitso chakuti Nthaŵi ina dziko lapansi linasefukira ali ndi tanthauzo lalikulu kwa akatswiri a mbiri yakale, ofukula zakale, asayansi ndi okonda mofanana, ndipo amawonjezera kumvetsetsa kwa kayendedwe ka nthaka ndi kusintha kwa nyengo. Komabe, m’pofunika kudziŵa kuti kupezedwa kumeneku sikutsimikizira kwenikweni kuti nkhani za m’Baibulo za chigumula chachikulu n’zolondola, chifukwa pali zinthu zina zambiri zofunika kuziganizira.

Kodi zokwiriridwa pansi zakale za zolengedwa za m’madzi zinathera bwanji m’mapiri a Himalaya?

Himalayan chain
Himalayan chain. © Wikimedia Commons

Kuti timvetse mmene zokwiriridwa zakale za zolengedwa za m’madzi zinathera m’mapiri a Himalaya, tifunikira kufufuza mbiri ya nthaka ya m’derali. Sikuti nthawi zonse mapiri a Himalaya anali aatali kwambiri omwe timawaona masiku ano. Zaka mamiliyoni ambiri zapitazo, chochitika chachikulu cha geological chotchedwa Continental Drift chinachitika. Izi zisanachitike, dziko monga tikudziwira kulibe. M'malo mwake, panali madera akuluakulu kapena mtunda waukulu womwe umakhala ndi makontinenti omwe timawadziwa lero. India anali mbali ya Gondwanaland, zomwe zinaphatikizapo Australia, Africa, Antarctica, India, ndi South America. Pafupifupi zaka 150 miliyoni zapitazo, India adachoka ku Gondwanaland ndikuyamba kusamukira kumpoto, kulowera ku Eurasia.

Nyanja ya Tethys

The Nyanja ya Tethys, yomwe inali pakati pa malo a nthaka aŵiriwo, munali mudzi wa zamoyo za m’madzi zolemera ndi zosiyanasiyana. Zinatenga pafupifupi zaka XNUMX miliyoni kuti mitundu iwiri ya nthaka igundane, koma pamene izo zinagundana, mphamvu yaikuluyi inachititsa kuti matope onse awiri aphwanyidwe pamodzi, kupanga mapiri omwe anatuluka pansi pa nyanja. Kugundana kwa dera la Indian subcontinent ndi chigawo cha Eurasia kunapangitsa kuti mapiri a Himalaya, omwe ndi aatali kwambiri padziko lonse lapansi.

Nsomba zakufa zakale zopezeka pamapiri a Himalaya! 4
Dziko mu nthawi za Jurassic (zaka 170 miliyoni zapitazo). Nyanja ya Tethys sinali mtunda umodzi, waukulu, wosasokonezeka wa madzi nthawi zonse. Anali ndi makontinenti ang'onoang'ono, mapiri, mapiri ndi malo ena. © Chithunzi: Ron Blakey-NAU Geology

Ngakhale masiku ano, miyala yosanjikizana ya m’mapiri a Himalaya ndi yolemera ndi zokwiriridwa pansi za anthu okhala m’nyanja ya Tethys, komanso zotsalira za m’matanthwe a m’nyanja ndi zomera za m’madzi. Kupezeka kwa zokwiriridwa zakalezi kumasonyeza chowonadi ponena za chiyambi cha mapiri a Himalaya. Zimasonyezanso kuti njira yopita ku denga la dziko lapansi poyamba inali pansi pa nyanja. Mapiri a Himalaya ndi umboni wa mphamvu yodabwitsa ya zochitika za geological zomwe zaumba dziko lathu lapansi kwa zaka mamiliyoni ambiri.

Kupezeka kwa zinthu zakale za m’madzi kumapiri a Himalaya kuli ndi tanthauzo lalikulu pa kafukufuku wa mbiri ya Dziko Lapansi. Zofukula zakale zomwe zimapezeka m'derali zimapereka chithunzithunzi cham'mbuyomo ndipo zimatithandiza kupanga chithunzi cha momwe dziko lapansi linkawonekera zaka mamiliyoni ambiri zapitazo. Zokwiriridwa zakalezi zimaperekanso chidziwitso chofunikira chokhudza kusinthika kwa zamoyo zam'madzi komanso momwe zidasinthira kusintha kwa nthawi.

Kutsiliza

Mapiri a Himalaya, omwe ali ndi mtunda wovuta komanso nyengo yoipa, ndi malo osangalalira anthu ochokera padziko lonse lapansi. Anthu ambiri oyenda maulendo ataliatali komanso okwera mapiri amabwera kuderali kudzasangalala ndi nsonga zapamwamba kwambiri padzikoli. Komabe, kupezedwa kwa zinthu zakale za m’madzi kumapiri a Himalaya kumasonyeza kuti pali zambiri m’derali osati kungoona zinthu zochititsa chidwi komanso zotulutsa adrenaline. Mapiri a Himalaya ndi nkhokwe yamtengo wapatali ya zodabwitsa za geological zomwe zimapereka chithunzithunzi cha dziko lapansi. mbiri yakale yotayika.

Pomaliza, n’zochititsa chidwi kwambiri kuganiza kuti mapiri a Himalaya, omwe akopa mitima ndi maganizo a anthu kwa zaka mazana ambiri, poyamba anali nyanja yabwino. Masiku ano, mapiri a Himalaya si zodabwitsa zachilengedwe komanso zenera la mbiri yochititsa chidwi ya Dziko lapansi.