@misc{indiciaec4c1f63e578d,
  title = {Variation of iridium in a differentiated tholeiitic dolerite},
  author = {L. P. Greenland},
  year = {1971},
  doi = {10.1016/0016-7037(71)90040-8},
  url = {https://pubs.usgs.gov/publication/70010410},
  note = {Source identifier: 70010410}
}