Gurmeet Singh posted an Question
November 02, 2020 • 05:46 am 30 points
  • IIT JAM
  • Geology (GG)

2. which of the following stratigraphic boundaries is not defined on paleontological criterion?

2. Which of the following stratigraphic boundaries is not defined on paleontological criterion? A. Permian-Triassic boundary B. Miocene-Pliocene boundary C. Pleistocene-Holocene boundary D. Cretaceous-Tertiary boundary IDIL014)

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    Rahul kumar Best Answer

    Answer: (B) Miocene-Pliocene Boundary Miocene-Pliocene boundary is not defined on any palaeontological criteria. Permian-Triassic boundary is demarcated by extinction event. Cretaceous-Tertiary boundary is also demarcated by extinction event and extinction of dinasours. Pleistocene-Holocene Boundary is demarcated by evolution of Humans.

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