During which geologic era were the two lower units deposited? During which geologic era was the uppermost unit deposited? What statement can be made about the age of the unit containing fossil remains of hardwood trees?

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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  1. During which geologic era were the two lower units deposited?
  2. During which geologic era was the uppermost unit deposited?
  3. What statement can be made about the age of the unit containing fossil remains of hardwood trees?
Cool
buk
femur and
tusk of woolly
mammoth
conifer and
oak fossils
fern and scale-tree
fossils
corals, bryozoa,
brachiopods
Transcribed Image Text:Cool buk femur and tusk of woolly mammoth conifer and oak fossils fern and scale-tree fossils corals, bryozoa, brachiopods
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