Lub sijhawm rifting crust ua stretched thiab thinned?

Cov txheej txheem:

Lub sijhawm rifting crust ua stretched thiab thinned?
Lub sijhawm rifting crust ua stretched thiab thinned?
Anonim

Muaj ob yam. Thaum rifting, ncab ua rau nrmal faulting nyob rau hauv lub brittle crust. Kev txav mus los ntawm qhov kev ua txhaum ib txwm ua rau poob qis ntawm cov pob zeb, ua rau cov pob zeb sib sib zog nqus, cov pob zeb uas muaj cov pob zeb sib cais los ntawm nqaim elongate roob ntau yam uas muaj cov pob zeb tilted. Cov kab no qee zaum hu ua fault-block mountatins.

Puas rifting stretching of the crust?

Rifts yog kab kab ntawm thaj chaw thaj chaw txuas ntxiv. … Piv txwv ntawm cov kev sib cais ntawm sab av loj yog thaj tsam Baikal Rift thiab East African Rift.

Dab tsi ua rau cov tawv nqaij tawv tawv?

Lub teb chaws pob zeb thiab lithosphere muaj thaj tsam qaum teb, 20 km tuab, overlying ib txheej tsis muaj zog ntau uas deforms los ntawm cov dej ntws. Yog li crust yuav nyias los ntawm kev nce qib ntawm cov khoom nruab nrab thiab qis crustal mus rau sub-oceanic qaum mantle.

Yuav ua li cas rifting cuam tshuam lub thickness ntawm crust?

Feem ntau muaj qhov inverse correlationntawm sediment thickness thiab tob rau Moho. Piv txwv li, crustal thickness txo nyob rau hauv platform kev nyuaj siab, lub basins ntawm sab hauv thiab marginal seas, thiab nyob rau hauv rifts. Muaj qhov sib txawv ntawm qhov sib txawv ntawm cov tuab tuab thiab cov cua sov ntws.

Yuav ua li cas thaum lub pob zeb sab av loj tau ncab?

Raws li lub lithosphere yog stretched thaum lub sij hawm continental extension, cov ductile tob crust thins los ntawmntshiab shear, thaum lub sab sauv crust yog tawg thiab rub sib nrug los ntawm listric faults uas 'hauv qab tawm' nyob rau hauv lub ductile txheej. Nyob rau saum npoo ntawm chav kawm no muaj cov tsos ntawm graben.

Pom zoo:

Nthuav cov khoom
Thaum twg yog lub npe hu ua neologism?
Nyeem ntxiv

Thaum twg yog lub npe hu ua neologism?

Thaum twg yog lub npe hu ua neologism? Thaum ib tug eponym (ib lo lus raws li lub npe ntawm ib tug neeg los yog ib qho chaw) yog siv los ua ib lo lus tshiab nyob rau hauv cov lus, nws yog ib tug neologism. Thaum Earl ntawm Sandwich cov phooj ywg pib hu nws cov khoom noj txom ncauj tshiab "

Cov ntshav oxygenated los ntawm qhov twg?
Nyeem ntxiv

Cov ntshav oxygenated los ntawm qhov twg?

Lub plawv muaj plaub chav uas cov ntshav ntws. Ntshav nkag mus rau sab xis atrium thiab dhau los ntawm txoj cai ventricle. Lub ventricle txoj cai tso cov ntshav mus rau lub ntswsqhov uas nws ua oxygenated. Cov ntshav oxygenated tau coj rov qab mus rau lub plawv los ntawm cov hlab ntsha pulmonary uas nkag mus rau sab laug atrium.

Koj puas tuaj yeem thov aia ntawm cov khoom tsis muaj nqis?
Nyeem ntxiv

Koj puas tuaj yeem thov aia ntawm cov khoom tsis muaj nqis?

Nws yuav muaj txiaj ntsig zoo rau kev xaiv tsa raws li s815 CTA 2009 yog tias thov cov peev nyiaj pab yuav muab kev pab sai dua li txiav tawm cov nqi txiav tawm lossis cov nqi cuam tshuam raug lees paub hauv cov nyiaj (piv txwv li, vim tias Nyiaj Txiag Nyiaj Txiag Txhua Xyoo (AIA) yuav them.