@misc{indiciae3495770569e2,
  title = {Lherzolite, anorthosite, gabbro, and basalt dredged from the Mid-Indian Ocean Ridge},
  author = {C.G. Engel and R.L. Fisher},
  year = {1969},
  doi = {10.1126/science.166.3909.1136},
  url = {https://pubs.usgs.gov/publication/70010242},
  note = {Source identifier: 70010242}
}