Deep-sea explosive activity on the Mid-Atlantic Ridge near 34°50′N: a stable isotope (C, H, O) study

@inproceedings{Pineau2004DeepseaEA,
  title={Deep-sea explosive activity on the Mid-Atlantic Ridge near 34°50′N: a stable isotope (C, H, O) study},
  author={Françoise Pineau and Svetlana Shilobreeva and Roger H{\'e}kinian and Daniel Bideau and Marc Javoy},
  year={2004}
}
Abstract The carbon and water contents and the corresponding isotopic compositions have been measured on a set of glassy samples collected by dives on the Mid-Atlantic Ridge (MAR) near 34°50′N where volcanoclastic deposits are present. The volatile phases have been extracted by crushing under vacuum and stepwise heating. The δ18O of the glasses shows that N-MORB are depleted in 18O (down to 5.14‰) whereas all the other lavas fall in the mantle range, 5.4–5.8‰. These data preclude strong… CONTINUE READING

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