Ferropigeonite quartz dacites from Chichi-jima, Bonin Islands: Latest differentiates from boninite-forming magma

@article{Kuroda1988FerropigeoniteQD,
  title={Ferropigeonite quartz dacites from Chichi-jima, Bonin Islands: Latest differentiates from boninite-forming magma},
  author={Naoshi Kuroda and Keiichi Shiraki and Hayaomi Urano},
  journal={Contributions to Mineralogy and Petrology},
  year={1988},
  volume={100},
  pages={129-138}
}
Chichi-jima, Bonin Islands, consists of dominant Eocene submarine volcanic rocks, comprising boninites, andesites and dacites, and subordinate sedimentary rocks. The dacites occur frequently in breccias and pillows overlying a boninite pillow lava sequence. The boninite pillows are intruded by a multiple dike, in which a core boninite is chilled against outer dacites. A density-stratified chamber may have been capped by a dacite magma. The dacites, which can be divided into quartz dacite and… Expand
Two types of chemical trends found in low-Ca boninite suite from Chichijima, Ogasawara (Bonin) arc
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