• Magmatism in Trans-Pecos Texas 

    Barker, Daniel S. (2014-03-06)
    The lithosphere under the Trans-Pecos region supplied granitic to mafic magmas from 1300 to 1100 Ma. From the Proterozoic to Late Cretaceous time, magmatism was absent. A few occurrences of Late Cretacous and Paleocene ...
  • Vesuvius. 79 AD 

    Barker, Daniel S. (2011-01-06)