Puas yog Mount Shasta yog lub roob hluav taws kub hnyiab?
Puas yog Mount Shasta yog lub roob hluav taws kub hnyiab?

Video: Puas yog Mount Shasta yog lub roob hluav taws kub hnyiab?

Video: Puas yog Mount Shasta yog lub roob hluav taws kub hnyiab?
Video: Haunted Mount Shasta. Lub Roob Muaj Dab. 6/18/23 2024, Kaum ib hlis
Anonim

Mount Shasta tau tsim ua thaum lub sij hawm plaub loj khob khob -tsim lub sijhawm uas tau muab tso rau ntawm qhov sib cais. Kev tsim kho ntawm txhua tus khob khob tau ua raws los ntawm ntau silicic tawg ntawm cov domes thiab pyroclastic ntws nyob rau hauv nruab nrab vents, thiab ntawm domes, cinder cones , thiab lava ntws ntawm vents ntawm lub flanks cones.

Tib neeg kuj nug, hom hluav taws xob twg yog Mt Shasta?

stratovolcano

Tom qab ntawd, lo lus nug yog, Mount Shasta puas yuav tawg dua? Kev tshawb fawb qhia tias Mount Shasta tej zaum muaj tawg txog 800 xyoo dhau los ntawm 10,000 xyoo dhau los, uas sib haum rau 3.5 feem pua ntawm tawg nyob rau hauv 30 xyoo tom ntej.

Ua li no, Mount Shasta puas yog lub roob hluav taws sib xyaw?

Mt Shasta tsis yog ib tug xwb roob rau ntau tus neeg hauv zos tab sis nws yog ib qho ntawm cov loj tshaj plaws stratovolcanoes nyob rau sab hnub poob ntug dej hiav txwv. Lub stratovolcano yog ib qho loj, ntxhab-sab, symmetrical cone ua los ntawm alternating txheej ntawm lava, tshauv, cinders, blocks, thiab foob pob. Nws tseem hu ua a volcano sib xyaw.

Thaum twg yog lub sijhawm kawg ntawm Mount Shasta ua haujlwm?

Qhov nruab nrab, Mount Shasta tau tawg tsawg kawg ib zaug hauv 800 xyoo thaum lub sijhawm kawg 10,000 xyoo, thiab txog ib zaug txhua 600 xyoo thaum lub sij hawm kawg 4,500 xyoo. Cov kawg paub tias tawg tau tshwm sim li ntawm 200 xyoo dhau los, tej zaum nyob rau hauv 1786.

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