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Contributions, Winter 1966, 5.1

In this issue:

  • Preliminary report on the Precambrian stromatolites in the Nash Formation, Medicine Bow Mountains, Wyoming
  • Structural analysis of the Precambrian rocks southeast of Encampment, Wyoming
  • Pliocene vulcanism, southern Absaroka Mountains, Wyoming
  • Petrography of Precambrian rocks from a 3.05-kilometer-deep borehole, Wind River Mountains, Wyoming
  • A Fortran IV program for the determination of rotation axes from fabric data
  • Lamination deformed by burrowers in Flathead Sandstone (Middle Cambrian) of central Wyoming
  • Preliminary gravity study of the southern Laramie Mountains; anorthosite areas and adjacent basins
  • The interpretation of folded transposition layering near Twin Mountains, Laramie Range, Wyoming