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4 February 2011

Friday fold: the importance of younging direction

Today’s edition of the Friday fold is a cross-section: Doesn’t look too spectacular, does it? — “Why, it’s just a bunch of strata folded into anticlines and synclines,” I’ll bet you’re thinking. But no… it’s actually more complicated than that. We know it’s more complicated by examining geopetal primary structures in the strata. Geopetal structures are primary structures which look different right-side-up than up-side-down. In sedimentary rocks, this includes things …


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