Skip to main content

and
  1. No Access

    Article

    Sr and Pb isotopic disequilibrium between coexisting plagioclase and orthopyroxene in the Bushveld Complex, South Africa: microdrilling and progressive leaching evidence for sub-liquidus contamination within a crystal mush

    Progressive leaching of plagioclase for Sr isotopes and microdrilling for Sr and Pb isotopes from grains of plagioclase and orthopyroxene from the Critical Zone and the Lower Zone indicates that these minerals...

    N. I. Chutas, E. Bates, S. A. Prevec in Contributions to Mineralogy and Petrology (2012)

  2. No Access

    Article

    Hornblende gabbro sill complex at Onion Valley, California, and a mixing origin for the Sierra Nevada batholith

     The steep crest of the Sierra Nevada, California, near Onion Valley, exposes natural cross sections through a mafic intrusive complex that formed as part of the Mesozoic Sierra Nevada batholith. Sheeted sills...

    T. W. Sisson, T. L. Grove, D. S. Coleman in Contributions to Mineralogy and Petrology (1996)

  3. No Access

    Article

    Exposure of a late cretaceous layered mafic-felsic magma system in the central Sierra Nevada batholith, California

    New U-Pb zircon ages for the Lamarck Granodiorite, associated synplutonic gabbro and diorite plutons, and two large mafic intrusive complexes that underlie them in the Sierra Nevada batholith are 92±1 Ma. Thes...

    D. S. Coleman, A. F. Glazner, J. S. Miller in Contributions to Mineralogy and Petrology (1995)

  4. No Access

    Chapter

    Wear Testing of Materials for Machines

    The “pin on disc” and the “crossed cylinder” methods have been studied, with the collaboration of manufacturers and users, in a number of research programmes on the wear behaviour in industrial presses; and on...

    D. S. Coleman in Vibration and Wear in High Speed Rotating Machinery (1990)