Petrology of palagonite tuffs of Koko Craters, Oahu, Hawaii

@article{Hay1968PetrologyOP,
  title={Petrology of palagonite tuffs of Koko Craters, Oahu, Hawaii},
  author={R. L. Hay and A. Iijima},
  journal={Contributions to Mineralogy and Petrology},
  year={1968},
  volume={17},
  pages={141-154}
}
Tuff deposits of the Koko Crater group consist largely of alkali basalt glass, either fresh or palagonitized. Most of the deposits are progressively palagonitized at depth, and topographic relations of palagonite on Koko Crater indicate that the palagonite was formed after the cone had been deeply eroded.The principal authigenic minerals in the palagonite tuffs were deposited in following sequence: phillipsite, chabazite, analcime, montmorillonite together with opal, and calcite. The amount of… Expand
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