Which of the following properly describes the formation of continental crust?
A) All continental crust was formed millions of years ago.There is no active continental crust being formed.
B) The formation of continental crust is independent of the formation of oceanic crust,involving only volcanism over the land masses.
C) The formation of continental crust involves the entire sequence of seafloor spreading,subduction,remelting of oceanic crust,and subsequent rise of the remelted material.
D) New continental crust is formed essentially in the same many as oceanic crust - from upwelling at mid-continental ridges.
E) Continental crust,unlike oceanic crust,forms along transform plate boundaries where small amounts of magma are able to upwell to the surface,slowly forming new continental crust.
Correct Answer:
Verified
Q6: Q7: The principles of buoyancy and balance,when applied Q8: Most cratons date to the Q9: Q10: A craton is best described as Q12: The Wrangellia terranes refer to Q13: The process of isostatic adjustment is most Unlock this Answer For Free Now! View this answer and more for free by performing one of the following actions Scan the QR code to install the App and get 2 free unlocks Unlock quizzes for free by uploading documents
A)Precambrian eon.
B)Paleozoic era.
C)Devonian
A)the product
A)a former volcanic