Glad you've found the film useful - it's a pretty ancient technique ... perhaps lost in the mists of time. Compare with the kink-band approaches (which underpin many fault-related fold constructions). The validity (risk of being wrong) of these methods depend strongly on strata retaining thickness during deformation.....
beautifully demonstrated... I'm wondering in regards to the problem: is this possible to 'reconstruct' the folds geometry by means of drawing the fold axis of each antiform and synform. by that we can later construct the bed layer paralel to the axis to achieve the final result as your demonstration. or can it be obtain the different result?...
The catch here is that, from the information given, it's not possible to define fold axial surfaces... although the kink-band method (see video) does this, assuming that the axial surface bisects the interlimb angle...
@@robbutler2095 Oh yes.. apparently that is the issue, we can't directly predict the sense of antiform or synform sense.. Anyway, which one of generating fold geometry in cross section method do you prefer the most commonly used by professinal in practice? Is that true, that kink band method is the most popular and produce smaller error to geological interpretation than the others (busk method for example)?
Thanks very much Rob. You help our students a lot.
Thank you so much Sir. This technique was new for me. I had no idea about it.
Glad you've found the film useful - it's a pretty ancient technique ... perhaps lost in the mists of time. Compare with the kink-band approaches (which underpin many fault-related fold constructions). The validity (risk of being wrong) of these methods depend strongly on strata retaining thickness during deformation.....
Amazing video Rob! Greetings from Argentina!
Thanks - glad you enjoyed it. Lots more on these topics on the Section Construction playlist on the channel.
beautifully demonstrated... I'm wondering in regards to the problem: is this possible to 'reconstruct' the folds geometry by means of drawing the fold axis of each antiform and synform. by that we can later construct the bed layer paralel to the axis to achieve the final result as your demonstration. or can it be obtain the different result?...
The catch here is that, from the information given, it's not possible to define fold axial surfaces... although the kink-band method (see video) does this, assuming that the axial surface bisects the interlimb angle...
@@robbutler2095 Oh yes.. apparently that is the issue, we can't directly predict the sense of antiform or synform sense..
Anyway, which one of generating fold geometry in cross section method do you prefer the most commonly used by professinal in practice? Is that true, that kink band method is the most popular and produce smaller error to geological interpretation than the others (busk method for example)?
@@armgeo6246 good comment