Ib daim ntawv accretionary ntawm an active continental margin thaum lub subducting dej hiav txwv slab scrapes pieces ntawm nws tus kheej mus rau buoyant continental slab.
daim ntawv accretionary wedge nyob qhov twg?
Ib qho accretionary wedge los yog accretionary prism forms los ntawm cov sediments accreted mus rau lub non-subducting tectonic phaj ntawm ib tug convergent phaj ciam.
Yuav ua li cas yog ib qho accretionary wedge thiab yuav ua li cas ua quizlet?
Ib qho accretionary wedge lossis accretionary prism yog tsim los ntawm cov sediments uas tau lees paub rau ntawm cov phaj tsis-subducting tectonic ntawm ib thaj tsam ntawm cov phaj convergent. … Feem ntau lawv tshwm sim los ntawm qhov subduction ntawm ib tug dej hiav txwv tectonic phaj nyob rau hauv lwm lub phaj tectonic, thiab feem ntau sib npaug zos rau ib tug dej hiav txwv trench.
Yuav ua li cas thiaj ua tau ib qho kev sib sib zog nqus dej hiav txwv trench?
Accretionary wedges form nyob rau hauv qab ntawm dej hiav txwv trench tsim nyob rau hauv ib co convergent phaj ciam teb. Cov pob zeb ntawm cov pob zeb sib xyaw ua ke yog deformed thiab fragmented lawv hu ua melange-Fabkis rau "sib xyaw."
Yuav ua li cas yog ib qho accretionary wedge thiab nyob rau hauv dab tsi tectonic chaw lawv tsim?
Zaj Lus Qhia Summary. Ib qho accretionary wedge yog ib qho pob zeb sib sau ua ke ntawm cov phaj nqes mus thiab muab tso rau ntawm lub phaj overriding nyob rau hauv ib cheeb tsam subduction. Subduction zones yog tectonic phaj ciam teb uas ob daim hlau sib tsoo thiab ib qho mushauv qab no.
