Ungathanda ukwazi okwengeziwe ngongqimba lomhlaba nokuthi uziphatha kanjani?

Umhlaba, eyingxenye yalo mkhathi omkhulukazi, nayo inezimfihlo okufanele izembule futhi ukucabanga ukuthi akunjalo, kuyiphutha elikhulu. Njengamanje, kusacutshungulwa izici ezihlukahlukene zawo, njengoqweqwe lomhlaba nokuziphatha kwawo.

Ukuqonda iplanethi endaweni yokuqala lapho okuwukuphela kophawu lokuphila endaweni yonke, kubalulekile ukuqonda eminye imihlaba ekude. Kwesinye isikhathi okuhle kakhulu kungaba phambi kwamehlo akho, ngaphandle kokuthi ubheke phambili. Nokho, kusaphuthuma ukusho ukuthi lokhu kusebenza maqondana nendawo yonke kanye nalokho ekuqukethe.


Ungase futhi ube nentshisekelo esihlokweni sethu: Ingabe akhona amanye amaplanethi afana noMhlaba?


Uma namanje ungazi ukuthi luyini uqweqwe lomhlaba, qhubeka ufunda ukuze uthole!

Uqweqwe lomhlaba

Imithombo: Invdes

Phakathi nendalo nokuntwela kwesikhathi, amaplanethi adalwa ngokunemba okukhulu futhi enezici ezifanelekayo zawo wonke umuntu. Ukwakheka kweplanethi enguMhlaba kuyinqaba, njengoba inezici ezihlukahlukene ezaziwa kabanzi namuhla, kanye nezinye ezisacwaningwa.

Izici ezinjalo zihlobene eduze nezinqubo zemvelo noma imijikelezo eyenzeka endaweni eseduze neplanethi. Ngakho-ke, ukuqonda ukuthi luyini uqweqwe lomhlaba kuzoba nengxenye ekuqondeni okwengeziwe kwalezi zenzakalo, kube lula imiphumela emisha yesayensi yosizo olukhulu.

Kafushane, uqweqwe lomhlaba lufeza indima yalo njengongqimba olungaphandle kakhulu noma uma uthanda, okukha phezulu kakhulu emhlabeni. Iyingxenye ye-geosphere eyaziwa kakhulu futhi, nakuba kuzwakala kunzima ukuyikholelwa, ukushuba kwayo kuncane kakhulu. Ngisho noqweqwe lomhlaba lubamba kancane u-1% wesisindo esiphelele sobukhulu bomhlaba.

Ngokufanayo, umbuzo othi "uyini uqweqwe lomhlaba" uye waholela ekutholeni ukuthi uhlukile kwabaningi. Kusho ukuthini lokhu? Amaplanethi amaningi anamadwala anoqweqwe oluhlangene olungahlukani. Emhlabeni, uqweqwe lwawo luhlukana lube ingxenye yolwandle kanye nengxenye yezwekazi.

Izingqimba zoqweqwe lomhlaba, okuyisihluthulelo sokuqonda ukuthi wabunjwa kanjani

Uma usufinyelele kuleli qophelo, yingoba unentshisekelo yokuthola okwengeziwe ngalo. Funda ngezansi ukuze ufunde kabanzi mayelana nezingqimba zoqweqwe lomhlaba nokuthi wakhiwe ngani ngokujwayelekile.

I-sediment, ungqimba olukhulu

Njengoba igama layo libonisa, le ndawo Ikakhulukazi yakhiwe ngamatshe amakhulu e-sedimentary. phakathi kwamazwekazi nezingcwecwe zezwekazi. Ziyingxenye eyisisekelo nezisekelo zezintaba njengoba zaziwa namuhla, kanye namapuleti noma amapulatifomu ezwekazi ashiwo ngenhla.

Ngaphakathi, ungqimba lwe-granite luvela

Njengoba ingesinye sezingqimba ezifundwa kakhulu zoqweqwe lomhlaba, Yenziwe cishe ngokuphelele nge-granite. Iqiniso elivelele liwukuthi, kuleli qophelo ku-crust, kukhona abadumile Ukungaqhubeki kwe-Conrad.

Ngokuyinhloko, umugqa ocatshangelwayo odweba imingcele phakathi kwesendlalelo se-granite kanye nesendlalelo se-basalt esilandelayo ekugcineni kwayo okuphezulu.

Ekugcineni, ungqimba olunamandla lwe-basalt

Yindawo eqhubekayo, enkulu futhi ebanzi uma kuqhathaniswa namagama abo asevele eqanjwe. Ngaphezu kwalokho, njengoba negama layo libonisa, ukwakheka kwayo kungokohlobo lwe-basaltic ekuqaleni.

Isendlalelo se-basaltic sisebuhlotsheni obuqhubekayo nesigqoko soMhlaba, kodwa sihlukanisiwe kuso ngenxa ukungaqhubeki kweMohorovicic. Usebenza njengesehlukaniso phakathi kwendawo eyodwa nenye, uzihlukanise kahle ezifundweni zesikhathi esizayo.

Manje njengoba usuyazi indlela owakhiwe ngayo, thola ukuthi uqweqwe lomhlaba luhlukene kanjani!

Phambilini kwashiwo ukuthi uqweqwe lweplanethi enguMhlaba luyisibonelo esiyivelakancane, esisekelwe kulokho okutholwe yisayensi kwakamuva. Uhlukene ngokwezimo zomzimba noma uhlukaniseke waba iziqweqwe ezimbili, eyodwa ingeyasolwandle enye iyizwekazi.

Ngakolunye uhlangothi, ungqimba lomhlaba engxenyeni yawo yolwandle, ayiphilanga isikhathi eside kunodadewabo, uqweqwe lwezwekazi. Ngokunjalo, ithatha ngaphezu kwamaphesenti angama-50 obuso bomhlaba futhi ingamakhilomitha angaba ngu-6 ngaphansi kolwandle.

Lonke uqweqwe lolwandle luncane noma lucolisekile uma luqhathaniswa negama elifanayo, luhambisana ngesikhathi esifanayo, ngezinto ezihlukene. Ososayensi bavame ukuyiqamba nge- Isiteketiso "Sima", sibhekisela ebuningini be-silicate ne-magnesium. Isuka emikhawulweni yolwandle futhi igcina phakathi kwezindawo ezincane.

Ngasemuva kohlamvu lwemali, kuvela uqweqwe lomhlaba lomlingiswa wezwekazi, luphikiswa nezici ezimbalwa ezethulwa nguSima. Ngisho nale ngxenye yoqweqwe ibizwa ngeSial, ngenxa yezakhi zayo ezaziwa kakhulu, i-aluminium ne-silicate.

Mayelana nokuqina kwayo, ishubile, ukuziqhayisa ngamamayela angaphezu kuka-40 futhi kuqhathaniswa noqweqwe lolwandle. Ngaphezu kwalokhu, ukuphila kwabo isikhathi eside kusekelwe eqinisweni lokuthi awavuselelwanga, ngoba awangeni ezindaweni zokunciphisa. Ngisho nomphakathi wesayensi uthola ukuthi zindala njengeplanethi ngokwayo.

Lena indlela eziphatha ngayo, funda okuyisisekelo mayelana nokuguquguquka koqweqwe lomhlaba

izingxenye zongqimba lomhlaba

Umthombo: Concept

Okokuqala, kufanele ucabange ukuthi izakhi zoqweqwe lomhlaba, kanye nengxenye engaphandle yengubo, "zintanta" komunye nomunye. Wonke amandla oqweqwe lomhlaba azungeza lesi sisekelo, isenzakalo esikhiqiza lokho okubizwa ngokuthi yi-tectonic displacement. Ngenxa yalokhu kuziphatha, "i-continental drift" yanda.

Lapho indawo eyodwa noma ipuleti lihamba kancane phezu kwenye, idala ukushaqeka, ukungqubuzana kanye nezingcindezi eziphezulu ezishintsha indawo. Kusukela kulezi zenzakalo, izintaba noma ama-tectonic depressions azalelwa ukuze athathe indawo yawo ku-ecosystem.

Ngokufanayo, ngaphakathi kokuguquguquka koqweqwe lomhlaba kunenqubo lapho amapuleti agcina ehlangene elinye ngaphansi kwelinye. Lo mphumela uqongelela ingcindezi kanye ne-magma kuze kube yilapho, uma umkhawulo wesenzo usudlulile, ukhulula into equkethwe. Uzwakala ujwayelekile kuwe? Hhayi-ke yile ndlela izintaba-mlilo ezakheka ngayo.

Ngokuphathelene nesisekelo esifanayo, njengoba usuvele wazi, lezi zinyathelo zihlala njalo, noma zingazizwa. Kuye ngobukhulu bayo noma ingcindezi enqwabelene, kubangela lokho okubizwa ngokuthi izenzakalo zokuzamazama komhlaba, kuhlanganise nokuzamazama komhlaba.


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