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Lecture

L9Q - Tectonics

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Department
Geology
Course
GEO1111
Professor
David Schneider
Semester
Winter

Description
GEO 1111 : Lecture 9 – Tectonics 1. There is no loss or gain of crust in a ______________ setting. a) divergent plate boundary b) back arc basin c) transform boundary d) continental – oceanic plate boundary e) island arc 2. At divergent plate boundaries one will find: a) thinned crust b) decompression melting c) mantle derived magma d) normal faults e) all of the above 3. Apparent polar wander paths were thought to track the wandering of the Earth’s magnetic poles, but we now know those measurements track the movement of: a) glacial ice at the poles b) the tectonic plates c) hot spot migration like Hawaii d) migrating species across the poles e) the uplift of mountain belts 3. The Mariana Trench, the deepest point on Earth’s surface, is due to: a) oceanic-oceanic plate collision b) transform faults perpendicular to a mid-oceanic ridge c) sea-floor spreading, causing rifting d) an earthquake due to brittle deformation e) n
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