17_Moon - ) Why is the outer surface of the Earth the...

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Unformatted text preview: ) Why is the outer surface of the Earth the controlling thermal boundary for mantle convection? ) Why is the Brittle-Ductile Transition (BDT) the strongest position in the lithosphere? ) What is the difference between planetary active-lid and stagnant-lid tectonics? ) Why is it necessary to have convection-driven stress overcome lithospheric strength for active-lid tectonics? ) Why is Tharsis on Mars inconsistent with a planetary heat-flow model that involves general mantle convection? Review Questions (03/10/11) Geology of the Moon Geology of the Moon Some questions to ponder : How did the Moon form? How does the mineralogy of lunar rocks differ from Earth rocks, and why? What is the composition of the ancient lunar crust and when did it form? What is the evidence for a lunar magma ocean? How do mare basalts compare to terrestrial basalts? How old are mare basalts, and why did they stop erupting? What kinds of breccias occur on the Moon, and why are they so prevalent? What is the nature and origin of the lunar regolith? Painting by James Garry Titanic collision of Earth with Mars-size impactor Impact simulation What happens to the core and mantle? 1 2 4 3 Lunar accretion simulation, following impact Does the Moon have a core? MaybeDoes the Moon have a core?...
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This note was uploaded on 11/10/2011 for the course GEOL 380 taught by Professor Mcsween during the Spring '11 term at University of Tennessee.

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17_Moon - ) Why is the outer surface of the Earth the...

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