@article{226831,
      author = {Nielson, Jane E. and Nakata, John K.},
      url = {http://library.usi.edu/record/226831},
      title = {Mantle origin and flow sorting of megacryst-xenolith  inclusions in mafic dikes of Black Canyon, Arizona /},
      publisher = {U.S. G.P.O. ;},
      recid = {226831},
      pages = {iv, 41 p. :},
      address = {Washington :},
      year = {1994},
}