3
© Nature Publishing Group 1983

Numerical dating of Precambrian–Cambrian boundary

  • Upload
    p

  • View
    218

  • Download
    4

Embed Size (px)

Citation preview

Page 1: Numerical dating of Precambrian–Cambrian boundary

© Nature Publishing Group1983

Page 2: Numerical dating of Precambrian–Cambrian boundary

© Nature Publishing Group1983

Page 3: Numerical dating of Precambrian–Cambrian boundary