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Gịnị bụ lithosphere?

Core, uwe-nwuda na jikọrọ ọnụ - bụ esịtidem Ọdịdị nke ahụ Earth. Gịnị bụ lithosphere? Na-akpọ mpụga inorganic siri ike shei nke ụwa anyị. Nke a na-agụnye niile jikọrọ ọnụ na elu ákwà mgbokwasị.

Ya mfe ụdị ndị lithosphere bụ n'elu oyi akwa nke Earth, esịnede atọ n'ígwé. Na nkà mmụta sayensị na ụwa na e nweghị otu definition nke echiche nke a mbara shei. Na ya mejupụtara eneni kwa ogologo-anọgide na. Ma kọrọ ka ekwe omume ime ka echiche bụ isi nke ihe lithosphere.

Ọdịdị, mejupụtara na ókè

N'agbanyeghị eziokwu na ndị lithosphere agụnye nnọọ niile nke ụwa elu na elu oyi akwa nke uwe-nwuda, na a ibu Ẹkot ọ na-kwupụtara naanị na otu percent nke ngụkọta uka nke mbara ala anyị. Ọ bụ ezie na shei nwere a obere olu, a zuru ezu ọmụmụ mere ka a ọtụtụ ajụjụ, ọ bụghị nanị banyere ihe lithosphere, ma ihe site na nke ọ na-kpụrụ, ọnọdụ nke ndị dị iche iche.

Isi akụkụ nke shei mejupụtara siri ike nkume, nke na ókè-ala na a uwe-nwuda nke ịghọ a plastic anọgidesi. Na Ọdịdị nke jikọrọ ọnụ dịpụrụ adịpụ anụ n'elu ikpo okwu na ebe nke ịkpakọba.

The jikọrọ ọnụ nwere a dị iche iche ọkpụrụkpụ, na ike mbio 25 200 kilomita. On ọkọdiọhọ bụ thinner - si 5 ruo 100 kilomita. Lithosphere nke Earth-ejedebeghị site ọzọ membranes: hydrosphere (okenye) na ikuku (ikuku).

Earth jikọrọ ọnụ na-ekewet atọ n'ígwé:

  • sedimentary;
  • konkiri;
  • basalt.

N'ihi ya, ọ bụrụ na anyị anya na ihe bụ na onodu nke lithosphere, ọ ga yiri a oyi akwa achicha. Ya mere a basalt, na n'elu ya kpuchie a oyi akwa nke sedimenti. N'etiti ha, dị ka ndochi ọ bụ konkiri.

Kọntinent sedimentary oyi akwa kpụrụ dị ka a n'ihi nke mbibi na mgbanwe nke konkiri na basalt nkume. OBC ka lamination kpụrụ ìgwè osụk osimiri ndị na kọntinent sedimentary nkume.

Granite oyi akwa mejupụtara metamorphic na igneous nkume. Na-enye, ọ enyene onye n'etiti ọnọdụ n'etiti ndị ọzọ n'ígwé, na oké osimiri n'ala bụ kpam kpam na-anọghị. Ọ na-kweere na "obi" nke mbara ala bụ basalt, esịnede igneous nkume.

The jikọrọ ọnụ abụghị a monolith, ọ bụ iche iche nkanka akpọ lithospheric efere ndị na-na mgbe nile na-na-efegharị. Ha yiri ka ise n'elu na plastic asthenosphere.

Environmental nsogbu nke lithosphere

N'oge ya adị, ihe a kpọrọ mmadụ na aku na uba na-arụ ọrụ mgbe niile na-eji mmiri nke lithosphere. The Earth jikọrọ ọnụ nwere niile ịnweta ego, nke na-n'ọtụtụ ebe na site ndị mmadụ, na ha mmanụ si ngiri-afọ mgbe niile na-amụba.

Great uru bụ ala - ichebe nke tụụrụ oyi akwa nke lithosphere ugbu a, otu n'ime ihe ndị kasị mkpa nsogbu na-achọ ozugbo ngwọta.

Ụfọdụ n'ime usoro na-ewere ọnọdụ n'ime ókè nke shei, n'ihi na ihe atụ, ozize, snow, apịtị, nwere ike mere site anthropogenic ọrụ na-eyi egwu. Bụghị nanị na ha na-emetụta guzobe ebe obibi ọnọdụ ụfọdụ ebe, ma nwere ike ime ka uwa na gburugburu ebe obibi ọdachi.

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