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A passive margin is the transition between oceanic and continental lithosphere that is not an active plate margin. A passive margin forms by sedimentation above an ancient rift, now marked by transitional lithosphere. Continental rifting forms new ocean basins. Eventually the continental rift forms a mid-ocean ridge and the locus of extension moves away…
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passive margins continental margin crust lithosphere transitional sedimentation oceanic volcanic sediment subsidence rifting rift along non-volcanic active mantle petroleum rifted
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Passive margin | is a | transition between oceanic and continental lithosphere that is not an active plate margin | 0.90 | text |
| unroofed | instance of | which do not contain large amounts of extrusive and/or intrusive rocks and may exhibit crustal features | 0.80 | text |
| serpentinized mantle | instance of | which do not contain large amounts of extrusive and/or intrusive rocks and may exhibit crustal features | 0.80 | text |
| turbidity currents | instance of | depending on subsidence of the passive margin and the efficacy of offshore transport mechanisms | 0.80 | text |
| submarine channels.Development of the shelf edge | instance of | depending on subsidence of the passive margin and the efficacy of offshore transport mechanisms | 0.80 | text |
| its migration through time is critical to the development of a passive margin | instance of | depending on subsidence of the passive margin and the efficacy of offshore transport mechanisms | 0.80 | text |
| Passive margin | related to Active vs. passive margins | The | 0.60 | section |
| Passive margin | related to Active vs. passive margins | Active | 0.60 | section |
| Passive margin | related to Active vs. passive margins | These | 0.60 | section |
| Passive margin | related to Active vs. passive margins | Less | 0.60 | section |
| Passive margin | related to Active vs. passive margins | West Africa | 0.60 | section |
| Passive margin | related to Active vs. passive margins | Most | 0.60 | section |
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