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Contributions, Spring 1980, 18.2

In this issue:

  • The occurrence and chemistry of epidote-clinozoisites in mafic gneisses from the Ruby Range, southwestern Montana
  • Foreland deformation; compression as a cause
  • Early Cenozoic mammalian paleontology, geologic structure, and tectonic history in the Overthrust Belt near LaBarge, western Wyoming
  • Paleobiology and depositional setting of a Late Cretaceous vertebrate locality, Hell Creek Formation, McCone County, Montana
  • A titanothere from the Green River Formation, central Utah; Teleodus uintensis (Perissodactyla; Brontotheriidae)
  • Eocene perissodactyls from the type section of the Tepee Trail Formation of northwestern Wyoming