@misc{indiciaeb7a7e8627403,
  title = {Tholeiitic and alkalic basalts of the oldest Pacific Ocean crust},
  author = {P.A. Floyd and P. R. Castillo and C. M. Pringle},
  year = {1991},
  doi = {10.1111/j.1365-3121.1991.tb00143.x},
  url = {https://pubs.usgs.gov/publication/70243191},
  note = {Source identifier: 70243191}
}