How I can adjust the projected contact surface

XiaochenXu
XiaochenXu Posts: 1
edited 7:10AM in Leapfrog
Screenshot 2025-12-20 140607.png

Hello good people!

I'm trying to model an anticline here and my lower contact (purple/green) truncates into my upper contact (purple/pink) resulting the purple unit pinched out at the cross over.
But as you can see here the thickness of the purple unit is fairly consistent from the drilling, so I presume the lower contact should roughly follow the upper one.


after a few attempts I've figured that I can't apply a global trend, or it would mess up my fold limb on the right.
I can't apply a bedding structural trend, as both units are modelled as deposit.
The only successful way of adjusting it so far is by create new structural data along the contact, but it feels like explicitly manipulating the data.


Can I seek for some wisdom of why the upper and lower contact behave in such different way and if there is a less intrusive way to solve this issue? Can I influence where the projected contact would go implicitly?

Many thanks!
Newbie Geo Xiao

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