Lub cinder cone volcano tsim li cas?
Lub cinder cone volcano tsim li cas?

Video: Lub cinder cone volcano tsim li cas?

Video: Lub cinder cone volcano tsim li cas?
Video: Geology 7 (Volcanoes) 2024, Kaum ib hlis
Anonim

Cinder cones yog hom yooj yim tshaj plaws roob hluav taws . Lawv yog tsim los ntawm hais thiab blobs ntawm congealed lava ejected los ntawm ib tug vent. Raws li cov roj-them lava tau tshuab ua rau huab cua hnyav, nws tawg mus rau hauv cov khoom me me uas khov thiab poob zoo li cinders nyob ib ncig ntawm lub qhov cua rau daim ntawv ib ncig los yog oval khob khob.

Tsis tas li lo lus nug yog, nws siv sijhawm ntev npaum li cas rau lub pob hluav taws kub cinder cone?

Cinder cone volcanoes me me, feem ntau tsuas yog hais txog 300 feet (91 meters) siab thiab tsis nce siab tshaj 1,200 feet (366 meters). Lawv tuaj yeem tsim nyob rau lub sijhawm luv luv ntawm ob peb lub hlis lossis xyoo.

Qhov thib ob, dab tsi ntawm lava tsim lub khob hliav qab cinder? Cinder cones txhim kho los ntawm kev tawg tawg ntawm mafic (hnyav, tsaus ferromagnesian) thiab nruab nrab lavas thiab feem ntau pom nyob rau ntawm cov nplaim hluav taws kub hnyiab.

Ntawm no, qhov twg yog cinder cone volcanoes tsim?

Cinder cones feem ntau yog nyob rau ntawm flanks ntawm calderas, tiv thaiv volcanoes thiab stratovolcanoes. Lub npe nrov cinder cone landform yog nyob rau hauv Paricutin, Mexico. Nws tau tsim nyob rau hauv qhov teeb meem ntawm hnub! Hauv Mauna Kev , muaj 100 cinder cones nyob rau sab ntawm Mauna Kev , Hawaii.

Yuav ua li cas txaus ntshai yog cinder cone volcanoes?

Lava Flow Effects. Qhov tseem ceeb txaus ntshai los ntawm cinder cone volcanoes yog lava ntws. Thaum ib qho ntawm cov gasses tau tso tawm, cov eruptions pib tsim loj ntws los ntawm lava. Cinder cones tuaj yeem ua tau zoo asymmetrical, vim hais tias cov cua ntsawj ntshab tshuab lub tephra ntog rau ib sab ntawm lub khob khob.

Pom zoo: