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Identification of parameters controlling the accretive and tectonically erosive mass-transfer mode at the South-Central and North Chilean Forearc using scaled 2D sandbox experiments

Urheber*innen

Lohrmann,  Jo
Scientific Technical Report STR, Deutsches GeoForschungsZentrum;
3.1 Lithosphere Dynamics, 3.0 Geodynamics and Geomaterials, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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0210.pdf
(Verlagsversion), 41MB

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Zitation

Lohrmann, J. (2002): Identification of parameters controlling the accretive and tectonically erosive mass-transfer mode at the South-Central and North Chilean Forearc using scaled 2D sandbox experiments, PhD Thesis, (Scientific Technical Report STR ; 02/10), Potsdam : Deutsches GeoForschungsZentrum GFZ, 233 p.
https://doi.org/10.48440/GFZ.b103-020063


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_8583
Zusammenfassung
This study attemps to identify and quantify the parameters that control mass-transfer modes in brittle tectonically erosive and accretive forearc settings. Scaled analogue simulations, which are specifically designed for this task, are compared with the convergent Chilean Margin that demonstrates both of these mass-transfer modes. Analogue simulation of geodynamic processes requires granular materials (e. g. sand) that deforms similarly to typical crustal rocks. Accordingly, a parameter study is performed, which yields general insight in the basic mechanics of highly-idealised convergent sand wedges.