What geologic events are expressed in this cross section of the western U.S. in late Paleozoic - early Mesozoic time?
A) an old episode of continental rifting that lead to a passive margin
B) collision of an island arc with western North America
C) oceanic crust and sediment that was thrust onto North America
D) a basin formed by the weight of thrust sheets
E) all of these

Question

What geologic events are expressed in this cross section of the western U.S. in late Paleozoic - early Mesozoic time? 
A) an old episode of continental rifting that lead to a passive margin 
B) collision of an island arc with western North America 
C) oceanic crust and sediment that was thrust onto North America 
D) a basin formed by the weight of thrust sheets 
E) all of these

Quizplus · Accepted Answer

The Answer of What geologic events are expressed in this cross section of the western U.S. in late Paleozoic - early Mesozoic time? 
A) an old episode of continental rifting that lead to a passive margin 
B) collision of an island arc with western North America 
C) oceanic crust and sediment that was thrust onto North America 
D) a basin formed by the weight of thrust sheets 
E) all of these

What Geologic Events Are Expressed in This Cross Section of the Western