7.This question has not been answered completely Goosnecks of the San Juan River

ID: 161261 • Letter: 7

Question

7.This question has not been answered completely

Goosnecks of the San Juan River, Southeastern Utah, before the uplift of the Colorado Plateau have been a:

A. mountainous region

B. low-lying region

C. submerged below the ocean

Point Value: 3

8.This question has not been answered completely

Since the middle Miocene, Sierra Nevadas and Cascade have rotated :

A. southwesward

B. eastward

C. northward

Point Value: 3

9.This question has not been answered completely

The snake river basalt flood plain was formed from:

A. meteorite impacts

B. crustal extension

C. mantle hotspot

Point Value: 3

10.This question has not been answered completely

The bend in Emperor -Hawaiian seamount reflect a change of plate motion of pacific plate about:

A. 90 million years ago

B. 70 million years ago

C. 40 million years ago

ANSWERS:

7) C

8) C

9) A

10) C

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