Earth Science - New York Regents January 2005 Exam
Base your answers to questions 75 through 77 on the cross section below and on your knowledge of Earth science. The cross section shows a portion of Earth’s crust. The age, in millions of years, of each boundary between the different sedimentary rock layers is shown. The age of boundary X between the sedimentary rock and the metamorphic rock is not shown. Assume no overturning has occurred.
