New releases and other news about the GCDkit, a system for handling and recalculation of whole-rock analyses from igneous rocks.http://www.gla.ac.uk/gcdkiten-UK http://www.gla.ac.uk/gcdkit/GCDlogo.gifhttp://www.gla.ac.uk/gcdkit It contains various new features, such as

• 'profiler' - a routine for plotting of geochemical profiles,
• plugin for isocon plotting after Grant (1986),
• tool for overplotting of diagrams with compositions of selected (and editable) geochemical reservoirs or minerals.

It also features several new diagrams

• SiO2 vs FeOt/MgO of Miyashiro (1974),
• Co-Th plot of Hastie et al. (2007),
• Nb/Y vs Zr/Ti plot as modified by Pearce (1996),
• multicationic B-A plot after Villaseca et al. (1998),
• granitoid classification after Frost et al (2001),
• set of plots by Schandl and Gorton (2002),
• binary plots of Whalen et al. (1987),

and numerous small improvements and bugfixes. ]]> http://www.gla.ac.uk/gcdkit/index.html