It helps them understand how the contacts can be extrapolated across slopes and over ridges. Best suited to the lab, ideally after exposure to the real thing, or in preparation for it.Īfter field-mapping, drawing a cross section, and attempting to draw a geological map, I show the students the 3D model. It can be used at any level for show and tell. There is a huge repository of 3D models of all kinds of things at the SketchUp 3D warehouse. I have used this program to help students visualize the interaction between geological structure and topography, to illustrate map patterns of refolded folds, and thrust belt map patterns (klippe and windows). However, most geological models lie below the surface, so this is not the best way to display them. It is has a link to Google Earth which allows you to bring a terrane model from Google Earth and to export your 3D models to it.
SketchUp ( This site may be offline.) is a 3D drawing tool designed primarily for architectural applications, however with a little bit of ingenuity it can be used to make models of 3D geological structures.
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