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22 March 2013

Introducing SmartFigures

Previously, I’ve hinted that I was working on a top secret special project for Pearson Education. Now that the books have been published, I wanted to take a moment to discuss the details of the project. In the newest editions of both Earth: An introduction to Physical Geology (Tarbuck, Lutgens, & Tasa, 2014) and Foundations of Earth Science (Lutgens, Tarbuck, & Tasa, 2014), you’ll find a series of videos that I’ve …


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Friday fold: the case of the strangely stout stylolites

Today, we return to my field trip from last week, for a look at an odd outcrop of the Ordovician-aged Edinburg Formation: Note the car key with green lanyard, to provide a sense of scale. It’s folded, as the yellow bedding traces show in this annotated version: But what really caught my eye about this outcrop were the odd stylolites (pressure solution “seams” with a wiggly morphology and a concentration …


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