@misc{indiciae59f854c4a703,
  title = {Petrography and chemistry of hydrothermal manganese oxyhydroxides from the Mariana and Izu-Bonin Volcanic Arcs, West Pacific},
  author = {Marjorie S. Schulz and James R. Hein},
  year = {1991},
  doi = {10.3133/ofr91557},
  url = {https://pubs.usgs.gov/publication/ofr91557},
  note = {Source identifier: ofr91557}
}