2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Andesitic magma yog formed los ntawm ntub ib nrab melting ntawm lub mantle. Lub mantle nyob rau hauv dej hiav txwv muaj kev sib cuag nrog dej. … Bas altic magma uas muaj cov ntsiab lus dej siab yog qhov tshwm sim. Yog hais tias hom bas altic magma melts nrog continental crust uas muaj ib tug siab ceev ntawm dioxide silicon, andesitic magma yuav tsim.
andesite magma daim ntawv nyob qhov twg?
Granitic, lossis rhyolitic, magmas thiab andesitic magmas yog tsim los ntawm convergent phaj ciam teb qhov twg dej hiav txwv lithosphere (txheej txheej ntawm lub ntiaj teb tsim los ntawm crust thiab sab sauv mantle) yog subducted kom nws cov ntug nyob hauv qab ntawm ntug ntawm daim av av lossis lwm daim ntawv dej hiav txwv.
YYog andesitic magma intermediate?
Andesitic magma -- SiO2 55-65 wt%, intermediate. in Fe, Mg, Ca, Na, K.
Yog andesitic magma tuab?
ANDESITIC LAVA
Cov viscous lavas muaj qhov sib piv siab (thickness / cheeb tsam), feem ntau > 1/100, thiab qee qhov tuab txaus los tsim ua lava domes.
Tus yam ntxwv ntawm andesitic magma yog dab tsi?
Andesitic magma muaj nruab nrab ntawm cov zaub mov no, nrog rau qhov kub ntawm li 800o C txog 1000 oC (1472oF to 1832oF). Rhyolitic magma muaj ntau hauv potassium thiab sodium, tiam sis tsis muaj hlau, magnesium, thiab calcium. Nws tshwm sim hauv qhov kub thiab txias li ntawm 650 o C txog 800oC (1202oF mus1472oF)..
Pom zoo:
Puas yog daim ntawv them nqi lag luam yog daim ntawv xa nyiaj?
Thaum siv rau hauv kev lag luam txawv teb chaws, daim ntawv xa khoom lag luam yog a daim ntawv kev lis kev cai. … Daim ntawv them nqi them nqi feem ntau tsuas muaj lo lus "invoice". Daim ntawv them nqi no kuj tseem siv tau ua daim ntawv xa nyiaj lag luam yog tias nthuav tawm cov ntaub ntawv ntxiv.
Puas yog andesitic magma daim ntawv ntawm subduction zones?
Granitic, lossis rhyolitic, magmas thiab andesitic magmas yog tsim ntawm cov phaj sib dhos qhov chaw dej hiav txwv lithosphere oceanic lithosphere Oceanic crust yog kwv yees 6 km (4 mais) tuab. Nws yog tsim los ntawm ob peb txheej, tsis suav nrog cov sediment overlying.
Puas yog daim ntawv ntsuam xyuas tib yam li daim ntawv nug?
Daim ntawv nug yog lo lus siv los piav qhia cov lus nug uas koj nug ib tus neeg. Kev tshawb fawb yog tus txheej txheem ntawm kev sau, txheeb xyuas thiab txhais cov ntaub ntawv los ntawm ntau tus neeg. … Ib daim ntawv ntsuam xyuas nkag mus tob dua li daim ntawv nug thiab feem ntau suav nrog ntau dua ib daim ntawv sau cov ntaub ntawv.
Puas yog daim ntawv cog lus yog daim ntawv cog lus siv tau?
Vim a daim ntawv cog lus tsis yog daim ntawv cog lus tseeb, kev lees paub ntawm kev sib nrig tsis tsim nyog, thiab lub tsev hais plaub yuav txiav txim siab yam tsis xav txog lub hom phiaj ntawm ob tog. Thaum ib tog foob rau kev puas tsuaj raws li daim ntawv cog lus, kev kho mob feem ntau yog rov qab los yog rov qab los raws li kev xav ntawm quantum meruit.
Puas yog daim ntawv yuav tsum muaj daim ntawv tso cai?
Cov lus tso cai feem ntau teev cov kev txiav txim siab tias tus neeg hloov pauv yuav them rau thaj av, txawm li cas los xij, qhov no tsis yog qhov tsim nyog ntawm daim deed. Yuav ua li cas cov nqe lus yuav tsum suav nrog rau daim ntawv kom siv tau?
