Isotopic Evolution of Mauna Loa Volcano : A View From the Submarine Southwest Rift Zone

  title={Isotopic Evolution of Mauna Loa Volcano : A View From the Submarine Southwest Rift Zone},
  author={Mark D Kurz and Timothy C. Kenna and Dietrich Kammer},
New isotopic and trace element measurements on lavas from the submarine southwest rift zone (SWR) of Mauna Loa continue the temporal trends of subaerial Mauna Loa flows, extending the known compositional range for this volcano, and suggesting that many of the SWR lavas are older than any exposed on land. He and Nd isotopic compositions are similar to those in the oldest subaerial Mauna Loa lavas (Kahuku and Ninole Basalts), while 87Sr/86Sr ratios are slightly lower (as low as .7036) and Pb… CONTINUE READING


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