Dab tsi tshwm sim ntawm East African Rift Valley?
Dab tsi tshwm sim ntawm East African Rift Valley?

Video: Dab tsi tshwm sim ntawm East African Rift Valley?

Video: Dab tsi tshwm sim ntawm East African Rift Valley?
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Cov East African Rift system yog ib qho piv txwv ntawm qhov twg tam sim no tshwm sim . Cov East African Rift Valley stretches tshaj 3,000km los ntawm Gulf of Aden nyob rau sab qaum teb mus rau Zimbabwe nyob rau sab qab teb, splitting lub Neeg African phaj ua ob qhov tsis sib xws: cov phaj Somali thiab Nubian.

Ib yam li ntawd, tib neeg nug, dab tsi tshwm sim hauv East African Rift Zone?

Cov kev sib cais , nqaim cheeb tsam , yog ib qho kev txhim kho divergent tectonic phaj ciam teb qhov twg Neeg African Phaj yog nyob rau hauv tus txheej txheem ntawm kev faib ua ob daim hlau tectonic, hu ua Somali Phaj thiab Nubian Phaj, ntawm tus nqi ntawm 6–7 mm (0.24–0.28 in) txhua xyoo.

Tsis tas li ntawd, muaj dab tsi tshwm sim hauv Great Rift Valley? Geologists paub tias cov Rift Valley tau tsim los ntawm kev ua phem subterranean rog uas rhuav tshem lub ntiaj teb crust. Cov rog no ua rau cov chunks loj ntawm cov pob zeb hauv av los ntawm cov kab uas tsis sib thooj thiab ua rau cov pob zeb molten hauv volcanic eruptions.

Tsis tas li ntawd, dab tsi yog qhov ua rau lub rift kwj hauv Africa?

Sab Hnub Tuaj African Rift yog ib tug zoo tectonic nta ntawm Teb chaws Africa , ua rau los ntawm kev tawg ntawm lub ntiaj teb crust. Qhov no astronaut yees duab ntawm Eastern ceg ntawm lub Rift (ze Kenya tus ciam teb yav qab teb) qhia txog cov qauv geological classical txuam nrog tectonic rift hav.

Lub East African Rift cuam tshuam li cas rau phaj tectonics?

Cov East African Rift Valley (EAR) yog ib qho kev sib txawv phaj ciam teb hauv Sab hnub tuaj Teb chaws Africa. Nubian thiab Somalian daim hlau kuj cais tawm ntawm cov neeg Arab phaj nyob rau sab qaum teb, yog li tsim 'Y' zoo li tus kev rifting qhov system. Cov no daim hlau Kev sib tshuam hauv thaj av Afar ntawm Ethiopia ntawm qhov hu ua 'triple junction'.

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