Cov ntaub ntawv dab tsi ua rau lub cinder cone volcano?
Cov ntaub ntawv dab tsi ua rau lub cinder cone volcano?

Video: Cov ntaub ntawv dab tsi ua rau lub cinder cone volcano?

Video: Cov ntaub ntawv dab tsi ua rau lub cinder cone volcano?
Video: Txiv tshiab muab ntxhais txi nyiaj p2 11/18/2018 2024, Kaum ib hlis
Anonim

Tshuaj muaj pes tsawg leeg. Feem ntau cinder cones tsim los ntawm eruption ntawm lava ntawm basaltic muaj pes tsawg leeg, txawm tias qee daim ntawv los ntawm lava . Basaltic magmas crystallize los tsim cov pob zeb tsaus nti uas muaj cov zaub mov uas muaj hlau, magnesium thiab calcuim tab sis tsawg hauv potassium thiab sodium.

Hais txog qhov no, dab tsi yog cinder cone volcanoes ua los ntawm?

Cinder cones yog hom kab hluav taws xob yooj yim tshaj plaws. 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 kom tsim ib ncig los yog oval khob khob.

Dab tsi yog qee qhov piv txwv ntawm cinder cone volcano? Daim ntawv teev cov cinder cones

  • Lava Butte, lub khob hliav qab hauv Newberry National Volcanic Monument, Oregon.
  • Tseax Cone lava txaj npog nrog moss thiab lichen.
  • Kostal Cone.
  • Sab qab teb ntawm Cocoa Crater.
  • Parícutin nyob rau hauv 1994.
  • Amboy Crater, raws li tau pom los ntawm sab hnub tuaj.
  • Schonchin Butte los ntawm Cave Loop Road.
  • Mount Fox crater.

Yog li ntawd, 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 xob thaiv hluav taws xob.

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.

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