What is the deepest feature in the ocean? Where is this feature located, and how did it form? Is this feature, and others like it, tectonically stable or tectonically active?
The deepest part of the ocean is the Mariana Trench, which is located on the east side of the Philippine Islands in the Pacific Ocean. The Mariana Trench extends 11,022 meters (36,163 feet) below sea level. The Mariana Trench formed as a result of the convergence of two oceanic plates, and the subduction of the denser plate beneath the lighter plate. The Mariana trench and other ocean trenches are among Earth's most tectonically active geological features. Great earthquakes and tsunamis often originate in them.
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What process best describes Glacier movement?
a. Plastic Flow - at the surface of the glacier b. Basal Slip - deep within the glacier c. Plastic Flow - deep within the glacier d. Fracture Flow - deep within the glacier
The Earth’s magnetic poles coincide with the geographic (rotational) poles. Indicate whether the statement is true or false
This figure has rock units and geologic features that are assigned letters that are not in any particular order. From the geologic relations, what is the youngest unit or feature of those listed below?
A. conglomerate (unit C) B. limestone in the far right (unit K) C. lava flow (unit L) D. granite (unit G) E. dike (unit D)
The fault scarp in this photograph apparently formed
A. more than 50 million years ago. B. when an earthquake rupture offset the surface. C. when material on the right was compacted. D. All of these choices are correct.