Relief na mineral na North America

Continent North America na-ekpuchi a nnukwu ebe. Na size ọ bụ atọ na ụwa. N'ihi na ọdịdị ala na eke ego nke North America na-ji dịgasị nnọọ iche iche. Nke a ga-atụle ihe ...

obodo ọnọdụ

Afrika na-emi odude ke edere edere na n'ebe ọdịda anyanwụ ammamihe nke ụwa. Ọ na-asa site na Pacific na Atlantic na Arctic oké osimiri, ọkọnọ a dịgasị iche iche nke bays na oké osimiri. Si South America, a na Afrika ekewapụ Isthmus nke Panama, na n'ebe ọdịda anyanwụ nke Eurasia, e kewara site Bering Strait.

The continental akụkụ nke North America bụ otu ebe 20,36 nde square mita. km. N'etiti agwaetiti nke Chile akụkụ nke Greenland, na Caribbean, na Canadian Arctic Archipelago, na ndị ọzọ. Si n'ebe ugwu-n'ebe ndịda ogologo nke Afrika nke 7326 kilomita, si n'ebe ọdịda anyanwụ ruo n'ebe ọwụwa anyanwụ - 4700 kilomita.

Chile n'ókèala bụ fọrọ nke nta niile ala zones. The United States na Canada, tinyere Bahamas, Bermuda na Greenland emekwa ka North American mpaghara. The ndịda, bụ nke dị na ogbe, bụ akụkụ nke Central American mpaghara.

enyemaka

Relief na mineral na North America na-egbu di iche iche. The elu nke Afrika na-anọchi anya na ọdịiche - e nwere ugwu na omimi, na mbara ọzara na ugwu nta. Kasị nke ókèala ji site na mbara ọzara na abụọ ókè nke ala ha n'ugwu. The elu nke ihe nādighi ike ịdị iche iche n'etiti a narị ole na ole mita, nke na-eme ya nnọọ wavy chakoo.

Na ugwu nke Laurentian Upland-n'ókè na Ndida yinye nnukwu ọdọ mmiri. Mmetụta glasia bụrụhaala larịị ekara nkume na ugwu nta, e guzobere n'oghere. N'ebe ndịda bụ ugwu ugwu Central Valley, na nri ha na-akpata - nke Mississippi ndagwurugwu.

Na n'ebe ọdịda anyanwụ nke Great n'Ọzara bụ - foothills nke Cordillera. Ha na-agbalị ruo 1,500 mita n'ịdị elu. Cordillera ndị kasị n'ogige atụrụ mpaghara, kacha elu - bụ n'elu Ugwu McKinley na 6193 mita. Ha na-eme ruo n'ebe ọwụwa anyanwụ nke Rocky Mountains (4,200 m) na Cascade Ugwu.

Nọ n'ebe ọwụwa anyanwụ mere ndokwa Appalachian-anọchi anya na-ajụ elu ugwu nta na iche iche arrays nke ruo 2000 mita. N'ebe ndịda nke Afrika na Mexico na Atlantic ala gbara osimiri okirikiri dị larịị, adịghị nnọọ abụọ na narị abụọ mita. Off n'ụsọ oké osimiri, ha we weta ihe-ntuchi, mpụga, lagoons, spits.

geotectonic Ọdịdị

The North America Afrika bụ ntọala n'elu ikpo okwu, ọtụtụ nke na-ewe Canadian Shield, guzobere n'oge Precambrian. Ya n'ọnụ na-omitted, e nwere ego nke-edu ndú, nickel, gold, cobalt ores na ndị ọzọ na mineral na North America.

Si n'ebe ọwụwa anyanwụ Canada Shield Appalachian yitewere. Na ndị a apịaji-ngọngọ ugwu sitere Filiks nke mbibi. Bịara ikiri ebe ghọọ ndagwurugwu, na ihe na-eguzogide ọgwụ rock ekpe n'ụdị elevations.

Na n'ebe ọdịda anyanwụ nke Afrika bụ Cordilleran region nkezi nke ịkpakọba, kpụrụ akpụ site na nkukota nke tectonic efere. Nke a usoro na-aga n'ihu taa. The guzobere Cordilleras nwekwara mmetụta glasia. Ya mere, na mpaghara a na-dị na ma sedimentary na igneous minerals na North America.

Great n'Ọzara emi odude na ókè-ala nke n'elu ikpo okwu na Cordillera. Ha na-guzobere site mmiri na continental sediments. Nwere yiri si malite na Central Valley. Na ha n'ebe ndịda-n'ebe ọwụwa anyanwụ ihu karst nkume, na-eke a maze nke miri - mammoth Cave. Sedimentary nkume kpụrụ na Mexico di ala ala.

North America: mineral (nkenke)

The geological Ọdịdị bụ nke kasị mkpa n'ihi na e guzobere nke ụfọdụ ịnweta ego. Ekele ya pụrụ iche Ọdịdị, na mineral na North America ndị fọrọ nke nta ofụri Afrika.

Na Canadian ọta ebe bụ ịrịba ego nke uranium ores na ígwè, molybdenum, nickel, ọla kọpa. Na ala gbara osimiri okirikiri dị larịị, nakwa dị ka na Cordilleras na Alaska bụ mee nke mmanu ndi mere onwe fuels. Ebe a mined minerals dị ka North American mmanụ eke gas.

Na Central mpaghara na Ikuku bụ Appalachian coal ego na ya. Na Cordilleras dị iche iche sedimentary na magmatic minerals, dị ka ọlaedo, ores nke na-abụghị ferrous ọla, mercury. Large ego nke phosphate na-emi odude a dịịrị banye na mmiri na-akpọ Florida.

Mineral North America: table

N'ihi na a mma nghọta anyị kpebiri itinye ọnụ niile ozi na adade ke a table, nke na-dị n'okpuru.

ọgwụgwụ

The kọntinent nke North America emi odude ke edere edere na n'ebe ọdịda anyanwụ ammamihe nke mbara ala. Ya ala ebe, eke ọnọdụ na geological Ọdịdị mmetụta guzobe nke ịnweta ego.

The isi minerals na North America - na ọ bụ ndị na-abụghị ferrous metal ores, nematallicheskie ore na mmanu ndi mere onwe fuels. N'etiti ha, eke gas, mmanụ, coal, phosphates, uranium, idu ndú, zinc, nickel, silver ore, gold, platinum na ndị ọzọ.

N'ihi na ọnụ ọgụgụ buru ibu na di iche iche nke ego, abụọ isi na-ekwu na-adịdebeghị mmiri nwere ike nweta ihe ha na-adịghị na-adabere na mba ndị ọzọ.