A SeqStrat 2
seqstrat
seqstrat
21
0.0 (0)
Kartei Details
| Karten | 21 |
|---|---|
| Sprache | English |
| Kategorie | Naturkunde |
| Stufe | Universität |
| Erstellt / Aktualisiert | 22.04.2013 / 23.04.2013 |
| Lizenzierung | Kein Urheberrechtsschutz (CC0) |
| Weblink |
https://card2brain.ch/box/a_seqstrat_2
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| Einbinden |
<iframe src="https://card2brain.ch/box/a_seqstrat_2/embed" width="780" height="150" scrolling="no" frameborder="0"></iframe>
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Hierarchy of cycles
1st order 10-200 Myr Tectonic reconfiguration 2nd order 5-?30 Myr Major tectonic events 3rd order 0.5-5 MyrTectonic or major climatic events 4th order 100-400 kyr Milankovitch cycles, climatically forced 5thorder 20-40 kyr Milankovitch cycles, climatically forced
FRST
Forced regressive/falling stage systems tract
SMST
Shelf margin systems tract
Exmple of systems tracts in outcrop
Book Cliffs
falling limb systems tract diagram
.
what generates parasequences
sea level change OR autocyclic switching of delta or fan lobes at this scale
how to tell if parasequences are progradtional, retrogradtional or aggradational from log data?
there will be an overall trend (fining/coarsening upwards)
(L4)
ravinement surface
flat erosional surface
