Geography. Olee otú bụ kọntinent nke North America ikwu ọzọ

Olee otú bụ kọntinent nke North America ikwu ọzọ na-, ọ na-ekpebi bụghị naanị na ihu igwe, ma na-ndị bi na, akụ na ụba Ọdịdị na iche iche na usoro nkesa nke ore. Mba na ókèala ya, ọgaranya eke ego na dị mkpa ka ahia mba ofesi.

Geography na ihu igwe

Continent North America saa site atọ oké osimiri: ndị Arctic, Atlantic na Pacific. Onye ọ bụla n'ime ndị a osimiri, ya N'ezie na ikuku pụta na-guzobere ya, o nwere a dị oké mkpa na ihu igwe ọ bụghị nanị na ala gbara osimiri okirikiri ebe, ma n'ime ime nke Afrika.

Na-adịdebeghị mmiri, e nwere atọ isi mba - Canada, na US na Mexico. E nwekwara ọnụ ọgụgụ dị ukwuu nke agwaetiti na-ekwu na dabere n'ókèala nke USA. Canada bụ oké ugwu n'ókè nke ọ bụghị nanị na nke a na obodo ma dum Afrika. Anyị na-ekwu okwu banyere Cape "Murchison". Ọ bụ na Boothia Peninsula na Canadian Arctic. Aha nke uzo aha mgbe ndị ọkà mmụta sayensị Rene Murchison. Nwoke a mbụ enyoba peninshula.

Olee otú bụ kọntinent nke North America ikwu na ndị ọzọ, mere ka akụkọ ihe mere eme nke ya chọpụtara, nkọwa, ọmụmụ na ụdi development. Taa, n'etiti ndị ọkà mmụta sayensị rapaara uche na achọpụta nke Afrika bụ ụmụ Viking Group, achụpụ ha mmezi na Iceland.

Geological Map of North America

Ọkà mmụta sayensị na ya kee ihe Afrika n'ime atọ isi geological region, ókè nke dị n'ụzọ dị ukwuu adanyekọta na mba ala nke mba dị na ókèala nke Chile.

The mbụ na kasị ochie geologically ógbè dị na Canada. Gịnị ka ọ na-akpọ? Nke a "Canadian Shield", emi odude ke oké ugwu nke Afrika. Ọ e wuru na oge ochie Precambrian oge, nke na-emetụta ndị geological di iche iche nke ala a. Olee otú bụ kọntinent nke North America ikwu na ndị ọzọ, n'ihi na, gụnyere, na karịsịa ya guzobere n'oge ochie.

N'ihi na nke a geological mma, Canada bụ otu n'ime ndị kasị iche iche na mba na okwu nke ịnweta ego. Na ókèala nke Arctic-ekwu bụ nnukwu ego nke nickel, gold, idu ndú, molybdenum, na, ọtụtụ ihe, uranium. A chọtara ọhụrụ n'ókèala na Arctic, na diamond ego na-eme ka mba otu n'ime ndị kasị ibu suppliers nke ngwaọrụ na mba ahịa.

Otu ihe dị mkpa mma bụ ọnụnọ nke Canadian geology Sadberiyskogo ore efere na ókèala ndị Province nke Ontario, kpụrụ dị ka a N'ihi nke a meteorite mmetụta na ụwa elu. Mpaghara a bụ nnọọ ọgaranya metal ores, nke na-emepụta ihe anomaly na gburugburu ebe, nke a na-akpọ magnetik anomalies Temagami.

Geological Province na United States yiri Canadian. The naanị wezụga ndị anomalous zones, reminiscent nke meteorite craters.

Central America

Olee otú bụ kọntinent nke North America ikwu na ndị ọzọ na-mfe ịmata site na-achọ na map. Ọ bụrụ na site na ya n'ebe ọdịda anyanwụ onye agbata obi - Eurasia - America na-iche site na a warara ikwu na Bering Strait, na onye agbata obi si n'ebe ndịda, ọ na-adịghị iche na niile, ma e wezụga n'ihi mmadụ mere Panama Canal.

Central American na-ekwu enweghị a elu larịị nke akụ na ụba na mmepe, na ya mere nnọọ ngwangwa mmetụta ọjọọ nke ọdachi ndị na-eme na mpaghara.

Otu n'ime ihe ndị kasị nkịtị ọdachi ga-egosi ifufe kpụrụ n'elu Atlantic na-akpụ akpụ n'ebe ọdịda anyanwụ na n'ebe ndịda. N'okpuru ha mmetụta ga-apụghị izere ezere na-ada ka ala gbara osimiri okirikiri US na-ekwu na agwaetiti mba Central America.

seismic ọrụ

Nke abụọ dị mkpa mma nke ihe owuwu nke Afrika bụ a ọnụ ọgụgụ buru ibu nke seismically ifịk zones, na n'ihi na Afrika eme na-agbawa obi ala ọma jijiji ahụhụ site ọtụtụ puku ndị mmadụ na mba na emepe emepe nke Caribbean.

The kasị dị ịrịba ama nke niile ala ọma jijiji nke mere na United States, bụ Great Alaskam Ala Ọma Jijiji nke mere na March 1964. Ọ bụ ọdachi na ya pụta ọdachi, ndị na-esi nke na-chere na mpaghara nke puku iri ise square kilomita. Dị nnọọ n'ofè ịma jijiji na-agbaso site ọtụtụ mbuze, mudflows na mbuze, overlapping ugwu ụzọ na-egbochi Itie nnapụta ngwá ọrụ ebe ọ bụ otú ahụ dị mkpa.

Ọzọkwa, otú bụ kọntinent North America, ọ na-enye na-ekwu na Afrika doro anya usoro uru na mmekọrịta na esenidụt agbata obi.