Ntawm mid- hiav txwv ridges, daim phiaj sib nrug thiab magma nce mus puv qhov khoob. Nyob ze ntawm qhov chaw subduction, daim hlau sib tsoo, yuam cov dej hiav txwv crust mus rau lub ntiaj teb kub sab hauv, qhov twg cov khoom siv crustal melts, tsim magma uas nce buoyantly rov qab mus rau saum npoo thiab erupts tsim volcanoes thiab seamounts.
Thaum twg yog thawj lub hiav txwv nrhiav pom?
Faraday Seamount thiab Minia Seamount nyob rau sab qaum teb Atlantic Dej hiav txwv tau pom nyob rau hauv 1882 thiab 1903 feem los ntawm cable nkoj Faraday thiab Minia.
Ntawm qhov dej hiav txwv yog dab tsi?
Dej hiav txwv feem ntau yog tsim los ntawm cov hluav taws kub uas ploj lawmuas nce sai sai thiab feem ntau pom tau nce ntawm ntug hiav txwv mus rau 1,000–4,000 m (3, 300–13, 100 ft) qhov siab.
Yuav ua li cas hauv ntiaj teb yog seamount?
Ib ntug hiav txwv yog roob hauv qab dej tsim los ntawm volcanic kev ua si. … Kev kwv yees tshiab qhia tias, sib sau ua ke, seamounts encompass txog 28.8 lab square kilometers ntawm lub ntiaj teb nto.
Leej twg nrhiav tau seamounts?
Tus kws tshawb fawb, coj los ntawm Dr. James Gardner, tau kos duab hauv av dej hiav txwv txij thaum Lub Yim Hli 8, 2014 uas yog ib feem ntawm Lub Chaw Pabcuam NOAA-sponsored seafloor mapping research. Thaum nkag mus rau daim ntawv qhia seafloor nta tsom rau kev tshawb nrhiav, lub nkoj tau pom ib qho tshiab uas tsis tau pom dua seamount uas tau soj ntsuam tag nrho (Daim duab 1).
