ad11) mesozoic stratigraphy - grand staircase nm, ut. checkerboard mesa, one of the most famous landmarks in…

ad11) mesozoic stratigraphy - grand staircase nm, ut. checkerboard mesa, one of the most famous landmarks in zion national park, is composed of this same cliff - forming unit. check and double - click the problem 11 folder to fly there. the \checkerboard\ pattern is due to the intersection of sandstone cross beds (yellow) with joints (green). which of these formed first (one of them formed while the rock was sediment)? joints cross beds

ad11) mesozoic stratigraphy - grand staircase nm, ut. checkerboard mesa, one of the most famous landmarks in zion national park, is composed of this same cliff - forming unit. check and double - click the problem 11 folder to fly there. the \checkerboard\ pattern is due to the intersection of sandstone cross beds (yellow) with joints (green). which of these formed first (one of them formed while the rock was sediment)? joints cross beds

Answer

Brief Explanations:

Sandstone cross - beds form as sediment is deposited in flowing water, like in rivers or dunes. Joints are fractures that form in rocks after they have been lithified. So cross - beds form first while the rock is still sediment.

Answer:

B. cross beds