@misc{indiciae78c5a73b2314,
  title = {Geological field excursion from Belo Horizonte to Ouro Preto, Minas Gerais, Brazil; regional stratigraphy and tectonics of the Archean Rio das Velhas greenstone belt and the Proterozoic Minas Supergroup as background for gold metallogenesis},
  author = {Eduardo A. Ladeira},
  year = {1988},
  doi = {10.3133/ofr88656},
  url = {https://pubs.usgs.gov/publication/ofr88656},
  note = {Source identifier: ofr88656}
}