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Rift basin vs foreland basin sedimentation?

by Simfish
Tags: basin, foreland, rift, sedimentation
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Simfish
#1
Dec8-12, 05:47 AM
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How does sedimentation compare between rift basins and foreland basins?

Does each have differing rates of sedimentation?

What about the convexities/concavities in the sedimentation profile?

Also - why are rift basins often filled up with lakes while foreland basins sometimes aren't?
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Studiot
#2
Dec8-12, 12:55 PM
P: 5,462
Doesn't the source material for sedimentation also play an important part?
Ophiolite
#3
Dec9-12, 05:18 AM
P: 280
I don't have specific data, but surely this would depend upon relative rates of uplift of source areas, coupled with the size of the basin. I would expect a broad overlapping of the ranges.

I suspect that foreland basin would generate overall higher averages, since it exists because of compressional forces, and the rifts because of tensional.


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