Initial Publication Date: October 27, 2008

Quiz

Test your knowledge of stratigraphic up indicators

Examine each photo by clicking on it to see an enlarged view. Then answer two questions:
1. Which direction is the stratigraphic top?
2. What type of diagnostic feature is shown? (for example, cross beds or mud cracks)
Once you have decided on your answers, click 'show the answer' to check your answers.




























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