#UrbanStructuralGeology #UrbanOutcrop #TheValley. Wat is orientation of the stress axes in this bioturbated pack/wacke/floatstone? Students confronted with non-textbook examples. Wavy bedding parallel stylolites, small en-echelon veins. #Aardwetenschappen ⚒️ @vuamsterdam.bsky.social

After lecturing about strike-slip, Riedel shears (R,R',P) and relation with sigma1,2,3 time for some real examples! #UrbanStructuralGeology #urbangeology #geology #rocks ⚒️🧪 #aardwetenschappen @vuamsterdam.bsky.social #Amsterdam. Thanks to the lady at the reception desk!