5 Answered Questions for the topic mantle

05/30/19

How is dense magma able to rise and punch through continental crust?
I am trying to understand how a dense basaltic lava is able to rise and punch through the continental crust, such as in mantle plumes or the Great East African Rift. My understanding of plate... more
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05/24/19

What do continents "lay" on?
It's a simple question.. What do continents "lay" on? Do they float on water? or are they huge bodies that "emerge" from the sea floor/bed? are they connected to the bottom of the oceans? Hope the... more
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05/12/19

What do continents "lay" on?
It's a simple question.. What do continents "lay" on? Do they float on water? or are they huge bodies that "emerge" from the sea floor/bed? are they connected to the bottom of the oceans? Hope the... more
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Expert Answers •1

03/19/19

Magma resultant from group 1 and group 2 elements?
I was recently speaking with a geology professor over lunch at a university who has a theory that I've never heard before. His postulation was quite compelling and I was hoping to do a little... more
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Mantle Geology Drilling

03/18/19

How straight is the Kola superdeep borehole?
The legendary Kola superdeep borehole is about 12 km deep. To achieve such depth, a major difficulty is to make sure the borehole is vertical straight. Intuitively, when the borehole is deep... more
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