Which type of geologic event has to occur to ceate an angular unconformity?

Poll responses are kept private

  • uniterrupted deposition of sediment
  • igneous intusion into layered rock
  • folding or tilting of rock layers
I want to ask my audience this question...

Poll Everywhere lets your audience respond using text messages (SMS), Twitter, or the web in real-time. The best part is you can embed live audience responses and live charts right inside your Microsoft PowerPoint presentation, free!

Create your first poll
Takes 30 seconds! No signup required.