Taija,
The structures you describe sound very similar to those in the western and central parts of the Lachlan Orogen, Australia. I will send you several reprints attached to a separate email message that might be helpful.
David Foster
University of Florida
On Oct 2, 2012, at 12:06 PM, Taija Torvela wrote:
> Hi all,
> I'm doing a study of a closed volcanosedimentary (back-arc) basin, and I'm searching for papers about the processes during basin closure. I would be especially keen to know about how the strain of the huge amounts of shortening at basin scale is accommodated during the inversion and finally the closure, and of how/why sometimes the primary structures are still very well preserved throughout the basin... The one I'm studying is 1900 Ma old and tightly to isoclinally folded at >500 m wavelength scale (and there seems to be some thrust faults as well), but almost everywhere you look you can still see the primary structures almost like they were formed yesterday! The rocks show clear schistosities for most parts of course, but that's about it (and sometimes not even that). I've found literally thousands of papers related to basin inversion tectonics and/or to fold&thrust belts, but trying to find the applicable ones among the mass... well you know how it is. So if anyone could hint of studies (modelling, field work, anything really) that could elucidate my specific dilemma, I would be very grateful.
> Cheers
> Taija
>
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> Dr Taija Torvela
> Lecturer
> Applied Structural Geology
>
> University of Leeds
> School of Earth and Environment
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