Questions tagged [crust]

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By how much did the Earth's diameter decrease due to cooling, if at all, since it was formed?

The answer to How long until Earth's core solidifies? question cites an estimation that the Earth (as a planet, not the surface of it) has cooled down by about 250K since it was formed. The question ...
4
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0answers
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On which software can I simulate landmass collisions?

Such as in 3D simulations of vehicule crashes but this time with huge rocks or bodies of water (continental plates). I need to be able to set the properties of the material (density, size etc) and see ...
3
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1answer
45 views

Are the precious metals (silver, gold, platinum) present everywhere throughout the Earth's crust at least in the trace quantities?

Do some rocks, soils, sands or waters exist that contain fewer than one atom of gold per cubic meter or tonne of their mass?
2
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Why do ophiolites obduce upon Continental Crust?

Oceanic Crust is more dense than continental one. The margin between both types of materials can be passive or develop a subduction zone, where Oceanic Crust sinks under continental one. I know there ...
1
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0answers
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Which places in Earth's crust have the highest concentrations of Iron?

Where would somebody find the highest concentrations of Iron on or near Earth's surface?