• Online Us
    Online Us

    24-hour service

  • Find Us
    Find Us

    Zhengzhou, China

News Center
  1. Home
  2. mt saint helens rock crusher

mt saint helens rock crusher

The conventional K-Ar dating method was applied to the 1986 dacite flow from the new lava dome atMount St.Helens, Washington. The whole-rockage was 0.35 +/- 0.05 million years (Mya). Ages for component minerals varied from 0.34 +/- 0.06 Mya to 2.8 +/- 0.6 Mya. These ages show that the K-Ar method is invalid

Get Price

News List

CONTACT US

Are You Looking for A Consultant?

toTop
Click avatar to contact us
Chat Online